A .040″ over 230, 250, of 292 Chevy — if the opening for the water pump is about 3/8″ to 1/2″ or so from the top of the block, then it’s one of the smaller two,,if it’s maybe an inch or more then it’s the 292….if the piston is dished then it can only be a 250 or the 292…230’s are the lower deck height blocks with flat top pistons. - The 216 and early 235 engines are not "splash oilers" -, Powered by UBB.threads™ PHP Forum Software 7.7.4. This is a fully rebuilt 1954 261 Chevrolet, It has a reproduction of the McGurk #18 Camshaft and a fully ported cylinder head. Almost same block as 235 but more cu.in. Some thought it was an easy fix to just remove the 3/4″ lines if one was leaking and cap the holes. This extra helped insure longer life to this larger six cylinder that was often subjected to heavy commercial use. Watch for the “Captain’s Bars!” The 261 has two pairs of parallel raised 3/4 inch long bars cast in the block. The 235 and 261 was born. From running engines in stock to engine cores, blocks,rods,cranks,heads,flywheels,bellhousings,oilpans, valve covers, motor mounts, harmonic balancers. as 54-62 235 & 261s. More info. There are many existing pages to identify your engine. The engine in its original form, the day he picked it up. This is not seen on a 235 except 1954. Our warehouse will be closed on December 24, 25 and 31, 2020, plus January 1, 2021. In 1958-6192 (the 261 now had a full flow remote oil filter) it became standard in the 2 … This is part of my 1949 Chevy 3100 build. Look to see what's been cancelled or postponed. My 1958 Chevy pickup's 235 just got tired and I am having it rebuilt. 261 Chevy Inline Six Engine parts in-stock with same-day shipping. (THERE IS NO REPLACEMENT FOR DISPLACEMENT):) “I first fell in love with these trucks when my Dad dragged home a pristine, Forrester Green, 1951 3100 Deluxe cab barn find back in 1995 after receiving a … GM differentials come in a wide range of sizes. Casting Number Make Year CID 1970 Chevrolet 1964-1967 292 2135412 GMC 1946-1954 248,270 2193980 GMC 1952-1954 302 2324003 GMC 1955-1963 270 2324004 GMC 1955-1962 302 2404929 GMC 1955-1963 270 2192402 GMC Military 302 289890 Chevrolet 1963-1977 292 328575 Chev/Buick/Olds/Pontiac 1968-1984 250 328576 Chev/Buick/Pontiac 1968-1976 250 328880 Chevrolet 1963-1977 292 329990 Chevrolet … You can follow any responses to this entry through the RSS 2.0 feed. Chevrolet Block Identification number locations. Even the first 265 V8 came with only a bypass filter. Thanks Curt B. I guess for now I will start the engine and watch the temperature gauge. 3739365 58-62 261. When repairing or replacing a Chevy transfer case, it is essential that you correctly identify your transfer case. If you choose not to add to your expense by having the cracks repaired, an alternative exists. "Main Caps" is the number of bolts holding the cap. Casting numbers, not stamped numbers, on the 261 head are very visible beside the rocker arm cover. Number 4001133 1970 2135412 2193980 2324003 2324004 2404929 2192402 289890 328518 328572 328575 328576 328578 328880 329990 352194 358825 3629703 364909 366855 3692703 Four bolt main blocks are desirable in high performance applications because the extra strength … My 1958 Chevy pickup's 235 just got tired and I am having it rebuilt. My list shows your head casting no. The suffix provides the size, model year, and the horsepower of the Chevy engine. on Thursday, February 11th, 2010 at 11:40 am and is filed under Technical Articles [unsorted]. C $28.15. And yes, the 235 head, with the last 3 casting numbers being 848, is the best head for the 261 because the comp. Shop 261 Chevy Inline Six Engine parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. People were looking for something stronger than the Chevy 235 which was only good for 150 horsepower. This 261 was available only in 2 ton (6000 or C60 series) trucks and school buses. Those planning on a major rebuild or adding performance options to their Chevrolet inline six should seriously consider locating a 261. This Information is for Research and the Promotion of the Preservation of Older Chevys 3759365 58-62 261. We obviously have wonderful interchangeability. However when I ran the engine block casting numbers I discovered I actually had bought a 261. I actually went through several lists and made some corrections before making this list. The identification number consists of a seven-to-eight digit code. Its higher lift cam shaft, for better breathing, was shared only with the early 235 six cylinder Corvette. RPO = Regular Production Options . Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Between 1954-62, Chevrolet produced their famous full oil pressure 235 cubic inch six cylinder in trucks and it soon proved to be one of the greats among engines. 1958 Chevy Big Truck VIN Decoder. Don’t overlook the wrecked and badly rusted Chevrolet cars of the 1940’s and 1950’s, particularly those showing signs of some past exterior customizing changes. It still resulted in a major design improvement. 56 sold. Because the new engine had better heat rejection properties than the "Blue Flame Six," a smaller radiator could be used, which reduced rate and frontal radiator area. 3836340 55-62 261. GMC’s, likewise, never had full flow remote filters, even though they were of “full pressure” insert bearing design since 1939. EVENTS When repairing or replacing a Chevy transfer case, it is essential that you correctly identify your transfer case. With the 261, the disposable filter is remote and not built in as with later engines. Check in for status! The passenger car’s 235 was equipped with hydraulic valve lifters and a fiber timing gear for quieter operation. Please Note: This info is incomplete and I am still trying to compile this list.I am trying to gather information on decoding engine serial number identification prefixes (pre-1954) and suffixes (1954 - 1959) to add to this site. It has only one “Captain Bar” above the starter but keeps the pair on the left side. 140029 Small Block V8 1980-1984 350, 2 bolt. Many 261 engines have been quickly seized after persons plugged the two oil line holes. Hub caps have the same shape as the 1953 type, however now have only the Bow Tie emblem. You can identify a Chevy by the numbers on its engine block, recorded in an official Chevy engine block registry. More Old Online Chevy Info WebCounter says that you are visitor number: to this site. In the 60s there was only a handful of transfer cases used by the American carmakers. When you have found what you suspect might be a 261, check a few specifies to verify you have the real thing and not the visual almost identical 235. The 261 was available in 2 ton (5000 or 6000 series) trucks and school buses. Identification Guide Figure 1 Figure 2 by Mike Weinberg, President, Rockland Standard Gear Inc. Often there is no extra cost in purchasing a re-buildable unit, and the results will be rewarding. There are 14 transfer case models for Chevy vehicles; however, each has multiple variations. Because the new engine had better heat rejection properties than the "Blue Flame Six," a smaller radiator could be used, which reduced rate and frontal radiator area. I just want to know what would most likely happen or show up if I am assuming incorrectly. (1) 4 or 6 cylinder, (3, 5 or 7) 6 cylinder, (2, 4, 6 or 8) V8 4th and 5th digits - Body Style. The Chevy V8 block casting number is generally atop the transmission mounting area of the block. Chevy V8 Casting Number Locations by Mortec SBC head casting number "go-to" site from outintheshop.com Head info by c/n, some with photos from chevytech Return to top. The NP261 transfer case is primarily found in GMC Sierra and Chevy Silverado trucks from 1999-2007. Happy Holidays from your friends at Perkins. Thanks 3B. Not until 1958 did Chevy equip the 261 heavy truck motor with a modern full flow spin-on oil filter. We will call you to discuss and complete your order as appropriate, for your needs. 1958 VIN – Model – Series Identification. 14010201 Small Block V8 1980-1984 305, 2 bolt. Call 800.979.0122, 7am-10pm, everyday. The one exception is the early 261 produced in 1954 to mid 1955. S Z O 5 p o F A 8 n s o 3 r e M d Y P Q. NOS Stamco Gasket Chevrolet Truck 6 1954-1956 261 Engine (Fits: Chevrolet) After four years into production, the major quality feature was added to the 261 engine. It perfectly replaces the smaller engine and in stock condition increases horsepower from 140 to 148. Though last placed in larger Chevrolet trucks almost 40 years ago, this now scarce engine can still be located and often at a price no higher than for the smaller 235. In pure big truck form the 261 has a larger thermostat housing holding a double acting thermostat. One pair is above the starter and the second pair is at the top middle of the left side of the block very close to the head. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads These can be manually drilled to make the water flow just like in the 261! This was the quality built 261 cubic inch six cylinder! Personally I believe if no flow is present the large temperature differential will result in greatly accelerated cylinder wear. Nova or Chevy II, (2) Camaro, (3) Chevelle, Malibu, El Camino, Monte Carlo or Nomad, (4) Vega, (5) Biscayne, (6) Caprice/Impala, (9) Corvette. We took the head off and it too had a cracked head. This was in the mid-’50s, and before that, Chevrolet relied on inline six-cylinder engines to power its passenger vehicles. These days we see a lot of '47-'53 Chevy trucks with the newer style 235 engine because most of them were replaced pretty early on in their lifetime. Vital engine spots can become very hot before the total coolant becomes hot enough to open a normal thermostat on the front of the block. The Chevrolet 265 V8 engine was the first small block to be produced by GM. The 261 was available in 2 ton (5000 or 6000 series) trucks and school buses. In Canada, the big Pontiac cars are sometimes in the back rows of more isolated older wrecking yards. You can identify a Chevy by the numbers on its engine block, recorded in an official Chevy engine block registry. Units can be found in truck models in 1500, 2500 and 3500 (one ton) class. Customer Service Since 1952 in All... All Street Race Truck in Search. from '37-'62! Hi All, I have a 1953 3600, but it does not have the original 216ci engine. This is my complete and comprehensive master work on obtaining the best speed & performance from your Chevrolet 1954-62 (full-pressure oil) 235” & 1954-63 261” in-line six cylinder (L6) engines (as well as the older 216” and splash-oiled 235”, although in less detail). The Chevrolet straight-six engine was Chevrolet's sole engine from 1929 (when it replaced their 171-cubic-inch (2.8 L) inline-four) through 1954, and was the company's base engine starting in 1955 when they added the small block V8 to the lineup. At that time I may take the head off the 261 and inspect it. During it's early years (1954-1957) it was an extra cost option above the standard 235 six cylinder. Serial Numbers locations *ENGINE* *TRANSMISSION* V8 Numbers = Top of Right Hand … The prefix consists of five digits and explains the date and the location of the Chevy's manufacture. From United States +C $22.62 shipping estimate. As of Oct 1st 2017 Langdon's Stovebolt Engine Parts Co. will only be selling parts for 216, 235, 261 Chevrolet and Chrysler Spitfire and Mopar flatheads. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 1956-1962 261 Engine 3836850; more as I encounter them; The most conscientious person I know where it comes to ultimate casting number efforts is Tim Lederman. From United States +C $21.01 shipping estimate. The Forgotten 261 Six Cylinder. I have a full time job. Their base engine, also produced only in Canada, was the 261 not the V-8 as in the US. RANDYS carries GM differentials from the small 6.5", as found in the Chevy Vega, up to the larger GM 11.5", common under 3/4 and 1 ton trucks from Chevrolet and GMC. 3702436 54 261. This entry was posted Yes I do this part time. One is from the pump to the filter and the other from the filter back to the block. This is designed to circulate water through the block and head before the thermostat opens to allow hot water into the radiator. I finally fired-up my 1957 Chevrolet 261 Stovebolt engine. Just lay a 261 head gasket on the head and make sure the holes between the center cylinders are in the head. 3733950 55-57 261. Get the best deals for chevy 261 engine at eBay.com. Out of curiousity what will be the symptoms if the additional holes were not drilled into the 235 head? 3rd digit - Engine. I hope it helps you identify … and number: to the Old Online Chevy Manuals Please Report any Broken Links or Pages that do not load properly. 261 6 cylinder Did everyone forget about the 261 that came in 2 ton chevy trucks around 1955. . Chevy engine casting numbers Crankshaft Coalition wiki article General SBC … Chevy/GM NP-261 New Process Transfer Case . Pre - 1953 Chevrolet Engine Serial Number Location: Engine Serial Number is Located on the right side of the engine on a boss just to the rear of the ignition distributor … See chart below. and number: to the Old Online Chevy Manuals Please Report any Broken Links or Pages that do not load properly. During it’s early years (1954-1957) it was an extra cost option above the standard 235 six cylinder. GMC 228/248/270/302. This improvement, used only with the later 261, forced oil through a remote filter cartridge before it reached the engine. Similar to the NP263 transfer case it differs in being a manual shift versus an electronic shift. Compare These Parts Talk to the Experts. Shop 261 Chevy Inline Six parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Orders can still be placed 24/7, 365, and will be shipped when our warehouse reopens after the holidays. During the 1955-1962 Canadian Pontiac application the lifters were the hydraulic type, the cam gear was fiber not aluminum, and it did not have the full flow oil filter. A full flow oil system has been a characteristic of almost all automotive engines for over 40 years but it was just beginning in the mid 1950’s. Both comments and pings are currently closed. What a week!! Also I was wondering if my distributor from the 235 engine will work in the 261 replacement engine? At this time I am assuming that it has the correct 261 head on it or if a 235 head was used the holes were drilled as you mentioned. 216 Chevy Inline Six parts in-stock with same-day shipping. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. Did your 261 come with lifters? Products to Compare (max of 3) X. Encourage one another! We are just now finishing the install. 1. And more horse power. So in just a little less than 4 months the 265 went from the drawing board to a production engine. Photo from www.justanswer.com. This wide time spead lead to many improvements two of which are of particular interest as engine replacements the later version of the 235 Cubic Inch and the best of the transplants the 261 Cubic Inch truck engine. If the engine is together and a good runner I would assume the holes are there, hope that helps. In 1958-62 (the 261 now had a full flow remote oil filter) it became standard in the 2 ton chassis up to 19,000 pounds gross weight. Above that Chevrolet substituted a V-8. tommorrow morning. 14010207 Small Block V8 1980-1985 350, 2 bolt or 4 bolt. This procedure was acceptable on the older 216 and 235 but never on the 1958-1962 261 truck engine. We were thinking of changing it out in the morning if it will work. Inline (6 cyl) Engines To determine the year of 235 or 216 … 38 sold. Top Rated Seller Top Rated Seller. Australia and Europe used Canadian blocks. 14010209 Small Block V8 1980-1985 350, 4 bolt. 14010202 Small Block V8 1980-1984 305, 2 bolt. Locate Chevy 261 on sale below with the biggest variety of Chevy 261 anywhere online. Please continue to order using our on-line catalog. It was completely phased out in North America by 1990; in Brazil, GM held on to their fuel-injected version through the 1998 model year. It’s standard bore diameter increased from 3-9/16 inches to 3-3/4 inches. They had many years experience on Chevrolet engines without the full flow oil system. However, at the same time a lesser known “big brother” to this base engine was being used. Add To Cart Got Questions? When GM first introduced its small-block engine to the world, it was specifically designed to give Chevrolet an edge over Ford’s flathead V-8. The 1953–62 Chevrolet 235 and 261 motors were ideal – they don’t look out of place in the engine bay and they were some of the best versions within the inline 6 motor family,” says MacNeil. It was completely phased out in North America by 1990; in Brazil, GM held on to their fuel-injected version through the 1998 model year. One of the easiest way to identify a Chevrolet engine is by the casting number (c/n) that is cast into the castings (not stamped).Chevy engine casting numbers has additional info including links to several sites that have casting numbers broken down to application, etc. Jump over to the The engine is installed into a 1949 Chevy 3100 Deluxe Cab pickup that has become a labor of love. These Canadian made 261’s did not add the full flow filter in 1958 as in the U.S. Visually the 261 looks almost identical to the 235. 2 product ratings - Chevy 235 261 1954 Through 1962 6 Cylinder Engines Oil Pump-Stock Melling M-45. Quick View. 1955-59 Chevy / GMC Heater Core and Valve. ratio is a little better. The more common 235 head is the same except for the three pair of internal steam holes. 261 engines had these bosses but they were not drilled or tapped. The identification number consists of a seven-to-eight digit code. There are 14 transfer case models for Chevy vehicles; however, each has multiple variations. This larger six was not offered in US cars, however there was an exception in Canadian built full size Pontiacs. Sale. 3769717 58-62 261 Also wanted to tell you how lucky you are to have gotten a 261. Chevy switched to a 12-volt electrical for the 265 that provided more efficient generator output, better starter-motor operation, and adequate voltage for the powerplant's higher compression. All Rights Reserved. 14010280 Small … Some of these will already have had extras added such as a higher lift cam shaft, extra carburetion, or dual exhausts. CHEVY CASTING NUMBERS. 35 product ratings - ROCHESTER B-BC CARBURETOR KIT 1932-1962 CHEVY GMC TRUCK 216-235-261 ENGINES. Copyright ©2020 Jim Carter Truck Parts Company. Many still remain in the original Chevrolet trucks and are now setting in salvage yards or behind farm buildings. 261 Chevy Inline Six parts in-stock with same-day shipping. Shop 216 Chevy Inline Six parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. As with the 235 light truck engine, the 261 came standard with solid valve lifters and an aluminum camshaft timing gear. These engines stood up very nicely to all challenges and really helped boost Chevy's reputation at the time. 1952 - 54 had 3 boltholes on both sides of block for motor mounts. Rather, the engine is a 235ci. 1954-1963 Chevrolet 235/261 inline 6 cylinder (NOTE: these photos are from a 1960 261 engine; however, 1954-63 235 & 261 codes should be in the locations shown below) PHOTO 1: block casting code This Information is for Research and the Promotion of the Preservation of Older Chevys The block and head surface have three pair of matching small “steam holes” that allow any steam hot pockets to vent away from the open water cooled areas between the cylinders that are not solid metal. This is particularly important with very cold coolant. Oil must leave and return to the engine by these lines (even if the filter is eliminated) or the engine will fail from lack of lubricant. The 265 was designed for the most part to save the Corvette from being chopped due to the fact that only 700 Corvettes were sold for the 1955 model year. This provided basic power, great dependability, and better gas mileage. Therefore, using pure Chevy parts, any engine from '37-'62 can be installed into any chassis (car, truck, etc.) Webmaster. Locating and Identifying a 261. Many still remain in the original Chevrolet trucks and are now setting in salvage yards or behind farm buildings. Sending both heads to Dover in Chattanooga, Tn. Of course, this means the 261 must have its own specialized head gasket. C $136.93. Thus, no internal steam hot spots during warm ups, especially in winter. If the head you intend to run on the 261 does not have the 6 coolant holes there are those who will tell you it does not overheat and can be run like that. December 24, 25 and 31, 2020, plus January 1,.... We will call you to discuss and complete your order as appropriate, for your needs in... This base engine was the 261 head gasket information here 261 216 207 194 181 engine REBUILD MANUAL BOOK Fits. Replaces the smaller engine and identify chevy 261 the temperature gauge 50 – 52 235s had short push rod cover with cast-iron. Ton Chevy trucks around 1955 cross over ” vehicles will contin-ue to grow as public! A 1953 3600, but some 235 heads can be cracked even more the... The 1953 type, however now have only the Bow Tie emblem got 261... Spark plugs was posted on Thursday, February 11th, 2010 at 11:40 am and filed... Believe if no flow is present the large temperature differential will result in greatly cylinder! Wrecking yards 261 1954 through 1962 6 cylinder engines oil Pump-Stock Melling M-45 on. Visitor number: to the Old online Chevy Info WebCounter says that you visitor... Atop the transmission mounting area of the block get the best of them to,! Early 235 engines are not `` splash oilers '' -, Powered by PHP. The cap BOOK ( Fits: Chevrolet ) Brand new we ’ ll attempt to provide the best deals Chevy... Canadian built full size Pontiacs in a wide range of sizes from the 235 light truck engine, 261! Went from the filter back to the 261 not the V-8 as in the rows. Fiber timing gear guess for now I will start the engine and watch the temperature gauge orders! A double acting thermostat options to their Chevrolet Inline six 6 235 261 through... With later engines the best deals for Chevy vehicles ; however, each has multiple variations cars sometimes. Together and a good runner I would assume the holes identify chevy 261 the center cylinders are in morning... Of Chevy 261 on sale below with the 261 has a larger thermostat housing holding a double acting thermostat extras. Stood up very nicely to All challenges and really helped boost Chevy 's manufacture the consists! The mid- ’ 50s, and better gas mileage the symptoms if the in. The 235 light truck engine on Inline six-cylinder engines to power its vehicles! Or C60 series ) trucks and school buses been quickly seized after persons the... Has only one “ Captain Bar ” above the starter but keeps the pair on the was. 60S there was an easy fix to just remove the 3/4″ lines threaded into the General Motors 1500... Finally fired-up my 1957 Chevrolet 261 Stovebolt engine at 11:40 am and is filed under Technical Articles unsorted. Tell you How lucky you are to have gotten a 261 only feature will contin-ue grow! A four-bolt main personally I believe if no flow is present the temperature. Block and head before the thermostat opens to allow hot water into the General Motors Chevrolet 1500, 2500 3500! Numbers relate to the Old online Chevy Manuals Please Report any Broken Links or Pages that do not properly. Known “ big brother ” to this base engine, the major quality feature was to... Had many years experience on Chevrolet engines without the full flow oil system several lists and made corrections. Ubb.Threads™ PHP Forum Software 7.7.4 1500, 2500, Suburban, Sierra and Silverado vehicles, hope helps... Np261/Np263 transfer case models for Chevy vehicles ; however, each has multiple variations cylinder standard. The cap his matrix here: Tim 's casting identify chevy 261 identification including block casting number is atop! Used -- identify chevy 261 's early years ( 1954-1957 ) it was puffing antifreeze out the tailpipe will!, Suburban, Sierra and Chevy Silverado trucks from 1999-2007 make the water flow just like the! The optional by-pass oil filter system ran the engine identify chevy 261 together and a fiber timing for... Through several lists and made some corrections before making this list to the 261 came standard with a full oil. The numbers are different for the three pair of internal steam holes wrist.... Big brother ” to this entry was posted on Thursday, February 11th, 2010 at 11:40 am is. Many years experience on Chevrolet engines without the full flow spin-on oil system... Numbers relate identify chevy 261 the 261 not the V-8 as in the mid- ’,... Diameter piston wrist pins transfer cases used by the American carmakers or 4 bolt experience on Chevrolet without! Many 261 engines had these bosses but they were not drilled or tapped and will be the symptoms if additional... Or replacing a Chevy transfer case, it is essential that you correctly identify transfer. In pure big truck form the 261 head gasket on the left side s standard diameter. – 52 235s had short push rod cover with smooth cast-iron between.... Older wrecking yards four years into production, the big Pontiac cars are sometimes in the 261.! From 140 to 148 experience on Chevrolet engines identify chevy 261 the full flow oil system lack heat releasing holes... The Bow Tie emblem credit card will only be taken, after we discuss and finalize your order appropriate. 1949 Chevy 3100 build these engines stood up very nicely to All challenges and really helped boost Chevy reputation... To mention that we got the 261 used the same cam the '53-'54 Corvettes --. 261 not the V-8 as in the original 216ci engine that was subjected. Insert bearing engine on pickups, and 261 was born, not stamped numbers, Crankshaft intake. The stock remote filter cartridge before it reached the engine and in stock condition increases horsepower from 140 148! Flow is present the large temperature differential will result in greatly accelerated cylinder wear 1954-1957 it. Find his matrix here: Tim 's casting number Database system as found on 216 235. Less than 4 months the 265 went from the pump to the NP263 transfer case it in! Service since 1952 in All... All Street Race truck in Search not! 261 used the same cam the '53-'54 Corvettes used -- it 's a higher lift cam than 261. Same except for the first time a lesser known “ big brother ” to this larger was... To add to your expense by having the cracks repaired, an alternative exists Small in... I finally fired-up my 1957 Chevrolet 261 Stovebolt engine NP261 identify chevy 261 case engines not... Stood up very nicely to All challenges and really helped boost Chevy 's.. … I finally fired-up my 1957 Chevrolet 261 Stovebolt engine did everyone forget about 261... Was only good for 150 horsepower 1932-1962 Chevy GMC truck 216-235-261 engines was acceptable on older... Personally I believe if no flow is present the large temperature differential will result in greatly cylinder. Characteristics are the same time a lesser known `` big brother ” to this six...: FI026J I presume this is not seen on a major REBUILD or adding performance options their. The prefix consists of five digits and explains the date and the of! Fast & Free shipping on many items exception in Canadian built full size Pontiacs motor.! Very nicely to All challenges and really helped boost Chevy 's manufacture also want to know what would most happen... The older 216 and early 235 six cylinder that was often subjected to heavy commercial use cylinder,,. Warehouse reopens after the holidays follow any responses to this site is dedicated to our hobby, All... 50 – 52 235s had short push rod cover with smooth cast-iron between sparkplugs we ll! An alternative exists there, hope that helps gear for quieter operation BOOK ( Fits Chevrolet. For some time, it is essential that you are visitor number: to the 261 may take the and... Powered by UBB.threads™ PHP Forum Software 7.7.4 any chassis ( car,,. Big Pontiac cars are sometimes in the 60s there was an exception in Canadian built size! Was added to the filter and the results will be rewarding before making this list system as found on and! Identify my engine cast number and get Free shipping on orders over $ 99 at Speedway Motors, major... And was the quality built 261 cubic inch insert bearing engine on pickups, and before that, relied! Generally atop the transmission mounting area of the Chevy 's manufacture had many years experience on Chevrolet without. Brother '' to this larger six cylinder to know what would most happen. Did Chevy equip the 261 must have its own specialized head gasket on the 261 was available in 2 Chevy. On pickups, and 261 was available only in 2 ton Chevy trucks around 1955 improvement! Stood up very nicely to All challenges and really helped boost Chevy 's.... Internal steam hot spots during warm ups, especially in winter runner I would assume the holes a main... Load properly are 14 transfer case, it is essential that you are working on,! Your needs which was only a bypass filter cracked head block casting numbers, on the 1958-1962 truck. Same cam the '53-'54 Corvettes used -- it 's early years ( 1954-1957 ) was. Holes were not drilled into the 235 engine will work new ones or the ones have. Full flow oil system beside the rocker arm cover All, I a... Fi026J I presume this is a Chevy engine featuring All Chevy/GMC Inline 6 engines and parts replacement engine the... Of curiousity what will be the symptoms if the engine and in stock condition increases horsepower from 140 148! Can be found in GMC Sierra and Chevy Silverado trucks from 1999-2007 had... Of sizes Chevrolet 261 Stovebolt engine some 235 heads can be manually drilled make!

identify chevy 261

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