Chevrolet 6 cylinder head casting numbers head casting numbers can be found in leo santucci`s chevrolet inline six cylinder power manual. If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. And how can I identify which a given engine is (without pulling the head)? Oct 19, 2022 · Do you wish to know the casting numbers for big block chevy? Find out everything about casting numbers with our detailed chart and more. "Main Caps" is the number of bolts holding the cap. Chevrolet Big Block Heads Combustion chamber types All early Chevy Big-Blocks used closed chambered heads. YEAR NUMBERS BLOCK CASTING NUMBERS 1937 1 to 1187821 838101 838710 1938 1187822 to 1915446 [FLINT] B1 to B10502 [BUFFALO/ TONAWANDA] 838710 1939 1915447 to 2697267 B10503 to B105461 838941 1940 2697268 to 3665902 B105462 to B221935 839132 1941 AA1001 to AA1163720 AC1001 to AC19549 839400 PREFIXES 1942 2AA, 2AC, BA 839770 1942 to 1951 CHEVROLET 3837012 1942 to 1953 CHEVROLET TRUCK Aug 17, 2023 · How to identify Chevy 6 cylinder engines? Understanding this will help you to recognize and replace engine parts such as bolt head, chrome valve cover, or barrel intake manifold easily and accurately. Moreover Sep 14, 2012 · Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. Many folks want to know where to look for these Chevy engine casting numbers and codes on blocks and cylinder heads so we decided to put these pages with photos together to help you find them. Oct 20, 2024 · Chevy inline-six engines are identified by casting and serial numbers on the block or head, revealing engine size, year, and model. These codes are often stamped on the engine block or cylinder head and can help determine the engine’s displacement, compression ratio, and other important details. Block Casting Numbers: These numbers are located on the drivers side of the engine, at the back of the head on the transmission mounting flange. Engine Casting Codes & Serial Numbers 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) Aug 15, 2024 · Chevrolet engine casting numbers are unique identifiers stamped on engine blocks for identification purposes. According to this website it appears to be a 1973-79 250 head: Late Chevrolet Inline 6 Cylinder head Index If that's correct where do I find the engine casting number to verify what it is? UPDATE; I found the engine casting number I think. Chevy V8 Casting Number Locations (Part 1) We get a number of inquiries regarding casting numbers, engine build dates and engine assembly/suffix codes. Big Block Chevy V-8 Casting Numbers If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations Page 1 and Page 2. Here’s how to find it, and what it may mean. 1954-1955 235 Engine 3835913 1956-1962 235 Engine 3836848 1956-1962 261 stovebolt casting numbers Looking for Chevy casting numbers ? This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. To accommodate all these applications the heads were designed with different combustion chambers, valve sizes, and port dimensions. Find Your Cylinder Head 10% off on all gasket sets with the purchase of a cylinder head. I’ve got you covered, from key features to casting numbers and decoding methods. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads SBC Head Casting Numbers Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. Meanwhile, performance-driven LS engines are in a league of their own, demanding a different set of parameters when choosing cylinder heads, where airflow and combustion chamber design become crucial for output. Mar 22, 2016 · Chevy Six Cylinder Casting Numbers Engine & Drivetrain Photos and diagrams of Chevy casting number locations for cylinder heads for big and small block V8 engines. 72 1. Jul 12, 2023 · Need block casting number and casting date to narrow this down, but my info says 140HP/230CID six cylinder with powerglide. Application code 'FM' shows use in full size Chevrolets in 1965. Explore the comprehensive index of late Chevrolet Inline 6 Cylinder heads, featuring detailed information and specifications for enthusiasts and restorers. I'm going to go check the casting numbers on that real quick to find out if it's original to the boat, as the cylinder head casting number off of that engine is "3824435", which comes up as a 194 cid head Jul 15, 2014 · Head Casting Numbers: Chevrolet Small Block Engines Estimated Reading Time: 6 Minutes 286 July 15, 2014 General Topics 0 181K Rating: 4. Most are easy to find once you know where to look Apr 9, 2023 · I intend on using it as a transplant in a 1974 Sabre Craft boat. May 2, 2005 · decoding inline 6 230-250 casting numbers Discussion in ' The Hokey Ass Message Board ' started by slow64, May 2, 2005. The casting number is probably the most significant feature on a cylinder head as it's the hardest to alter. Aug 7, 2008 · What year is this Cylinder head casting number 3837161? Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. It has a Mercruiser 165 (GM 250) with a cracked block. Jul 9, 2020 · The casting number on your vehicle may be difficult to find, as its location can vary between vehicles. Sep 28, 2022 · Was the 194 6 cylinder available in 1964? I read that was the year Chevy introduced the 230. if you will post your numbers , i will look them up. Explore the index of late Chevrolet Inline 6 Cylinder heads, including technical specifications, features, and compatibility details for automotive enthusiasts. Visual features like block design and oiling systems also help. in. It is an accumulation of data that has been updated over the years, so you should have no problem finding your Stovebolt in the list. . 1 21/32" Valves 1928 348540 Two Port 1929 835503 All 1930-31 836273 1930-31 836275 All 1932 836718 All 1933 836961 CA Master 1933 600569 CC Standard May 21, 2023 · We've tried to boil down the GM part numbers, casting numbers and other LS cylinder head information into an easily usable (and ideally definitive) cross reference. It's a unique identifier that tells you the engine's make, model, and year. Numbers - inliners. Some casting numbers are NOT listed as they may have been used in other models of the Chevrolet lineup but were NOT used in the Chevelle - such as the 1965 409cid heads #3830817 & #3852583 or 67 Camaro heads #3876775. Apr 25, 2025 · For instance, head casting number 14071114 identifies a head for the 305 and 350 engines, a part common in trucks, indicating a broader torque range for hauling capabilities. How to Use Enter a casting number in the search box above Click Search or press Enter View results with detailed part information About Casting Numbers Casting numbers are identification codes cast into engine blocks, cylinder heads, and other components during manufacturing. Cross-reference this code and any visible casting numbers with GM databases or parts catalogs to confirm the engine’s type, production year, and specifications. Four bolt main blocks are desirable in high performance applications because the extra strength of Apr 14, 2023 · The casting number is a series of alphanumeric characters that are usually located on the engine block or cylinder head. 216 cu. 14 (251 Votes) Nov 15, 2024 · To identify a GM 6-cylinder engine, locate the engine code stamped on the engine block, usually near the front for inline engines or by the cylinder head for V6s. These numbers help determine engine specifications and compatibility with other parts, such as cylinder heads and crankshafts. I only put the numbers here that I can prove, so this is a short list. They help identify: Part specifications and capabilities Year range of production Applications and compatibility Jul 28, 2003 · 3855914 Chevrolet 63-66 292 =3D 7 3855987 Chevrolet 63-71 292 =3D 7 3855991 Chevrolet 63-70 230 =3D 7 3856233 Chevrolet 55 235 3858190 Chevrolet 54-55 235 386855 Chevrolet 74-77 250 =3D 7 3877178 Buick/Olds/Chev/;;;;;; Pont/GMC 62-78 230-250 =3D 7 3879875 Chevrolet 62-70 194 =3D 7 3886061 Chevrolet 63-66 292 =3D 7 Finally, we have found a listing of the GM casting numbers 6 cylinders from 1929-1989. If the engine is still in the truck it will be a little hard to see it. Casting Numbers The first place to start when researching information on an engine is a list of GM casting numbers in the appendix. 5001 74 The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. Dec 28, 2012 · sorry, bad info. org Numbers Sep 19, 2021 · The only head casting number I see is 331184. CHEVROLET CASTING NUMBERS FOR IDENTIFYING THE YEAR AND APPLICATION, CYLINDER HEADS AND BLOCKS CYLINDER HEADS 1917,18, 19 338048 D V-8 1922 381099 FB THREE-PORT 1916-21 333776 1922-27 345453 Single Port1 ½" Valves 1927 346886 Single Port AA, LM. 1 21/32" Valves 1928 348540 Two Port 1929 835503 All 1930-31 836273 1930-31 836275 All 1932 836718 All 1933 836961 CA Master 1933 600569 CC Standard Mar 19, 2025 · To find the serial number on an Oldsmobile Diesel V8 and do a GM engine serial number lookup, cast your eyes to the driver’s side of the engine block, right near the front, where it meets the cylinder head. This 126 page pocket size booklet lists the numbers on blocks, heads, intakes, exhausts, and water pumps. It is 3879875 which according to this site is 1962-70 194. They also produced heads in cast iron or in aluminum to achieve different power output and performance. A "two-bolt" main, or a four-bolt main. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Chevy casting numbers for blocks and heads for small block V8 engines by Mortec. Dec 5, 2023 · In addition to the engine identification number, Chevy 6 cylinder engines also have unique engine codes that provide further insight into their specifications. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Sep 14, 2006 · Small Block Chevy Cylinder Head Identification Chevy Cylinder Head Casting Numbers Years Casting# CID Intake Exhaust CC Comments 1971-75 330545 307,350 1. rsdqnd a0i exqfnl 2vlyi orxldbju gef9 eebb tpiu 5sxdak moxplp