What are the casting numbers on a Chevy cylinder head?

Chevy cylinder head Identification – Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Find cast numbers Cylinder Head ID Use these casting numbers to identify the heads you have. Small Block Casting numbers

What kind of head does a Chevy engine have?

General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. “Double-hump” heads were found on many of its high-performance engines in the 1960s and early 1970s. They were manufactured with larger intake and exhaust port volumes and valves for the period,…

Where is the block casting number on a Chevy V-8?

There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. Block Casting Number The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver’s side.

What are original 1971, 72 Z28 heads worth?

Click to expand… # 3973487 comes up as s good for ’71 or ’72 Z/28 head at 2.02/1,6 valves and a 75.47 cc chamber. Flowjoe, I don’t doubt your numbers, but I’m just telling you that MorTec lists it, and it’s on my engine.

What is the casting number for a Chevy small block V8?

Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 12480005 – LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers, 2.125/1.625 valves, angle plugs . 12556743 – LS Small Block V8 1999 325, 5.3L, aluminum, truck, van . 12558806

What is casting number on Chevy 327 engine?

The Camel Backs are often confused with the “fuelie” heads found on fuel-injected Corvettes, but measurements of the intake and exhaust ports will reveal the Camel Backs are installed in the carbureted 302, 327 and 350 engines. Casting number 3767462 identifies Camel Back heads on 327 engines in 1962 to 1967 GM models.

What’s the casting number on a Chevy camel back?

The popular Camel Backs can still be found in wrecking yards specializing in American-made vehicles. These heads are easily identified by the last three digits of the casting number: 461, 462, 186, 291 and 492.

Where are the casting numbers on a GM Truck?

The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. Before we get into further explanations of Casting Numbers, if you are trying to decipher the VIN plate on the Trucks Drivers Side Door Jamb, you can get that information on our History Page Here .

What is the casting number for a small block Chevy LS?

Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers Small Block Chevy LS Cylinder Heads by Casting Number 10215339– LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers 12480005 – LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers, 2.125/1.625 valves, angle plugs

What are the casting numbers for a Chevy Nova?

55-56 265 Car & Truck 2-bolt 3731548 57 283 Car & Truck 2-bolt No side mount 3737737 57-62 283 2-bolt 3737739 57-62 283 2-bolt 3756519 58-62 283 2-bolt 3782870 62-67 327 car & Truck 2-bolt 3789817 62-67 327 2-bolt 3789935 61-66 283 car & Truck 2-bolt 3790721 64-67 327 2-bolt Chevy II Nova Recessed filter 3791362 66-67 327

What are the casting numbers for a Chevy Corvette?

471511 79-82 267 Car & Truck 2-bolt 3556519 58-61 283 2-bolt 3703524 55 265 car & Corvette no oil filter 2-Bolt 3720991 55-56 265 Car & Truck 2-bolt 3731548 57 283 Car & Truck 2-bolt No side mount 3737737 57-62 283 2-bolt 3737739 57-62 283 2-bolt 3756519 58-62 283 2-bolt 3782870 62-67 327 car & Truck 2-bolt 3789817 62-67 327 2-bolt

What kind of head does a Chevy GTZ have?

346 0 2.125/1.625 Gen III LS1 “GTZ” aluminum 38cc angle plug 12480011 SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. 12480034 2.02/1.60

What kind of aluminum does a Chevy cylinder head use?

10088113 350 86-92 1.94/1.50 58cc Corvette Aluminum 10120928 350 87-94 1.94/1.50 76cc 10125320 350 94-96 2.00/1.55 Gen II LT1 cast iron version, 10128374 350 92-97 2.00/1.55 Gen II LT1 53 CC angle plug aluminum 10134363 Bowtie High Port 60 CC 210 ~ 258 CC 10159550 350 87-94 1.94/1.50 76cc 10159551 305 87-94 1.84/1.50 58cc 10159552 350 87-94

What’s the casting number for a Chevy 350 TBI?

The 217 head doesn’t have the 45* center intake bolts like all the other TBI heads. Re: Chevy 350 TBI Cylinder Head Casting Number? For just looking, you might get into chevytech’s head site. More heads than you will want to look at and I’ve done it at least twice. Re: Chevy 350 TBI Cylinder Head Casting Number?

What is the casting number on a 1990 Chevy LT1?

This list, however will not include the gen-III LS offerings. LT1 cylinder head, casting number 10125320. These are a cast-iron version of the reverse-cooling heads used on the 1990’s LT-series engines. 10106178: 1990 LT 350ci V-8.

Where is the casting code on a Chevy?

The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs.

How big is a small block Chevy cylinder head?

Cylinder Head ID Small block chevy head castings Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine 10033867 62cc 2.02 1.60 over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum 10045434 55cc Over the counter 15 degree, angle plug, raised runner, aluminum 10051101

Can you put 305 heads on a 350?

305 heads on a 350 – MR. WELLWOOD’S SHOP OF HORRORS You will find lots of hate on this one. Putting 305 heads on a 350 was a good way to bump compression back in the day when compression was low, and aftermarket heads were almost “unattainable.”

What kind of head does a small block Chevy use?

This is probably the best cylinder head casting that Chevrolet has ever produced for a production small block Chevy. The casting quality is as good as the best aftermarket iron heads, and its flow capability on a valve-size-for-size basis more than matches the Phase 6 aluminum Bowtie heads.

What kind of cylinder head did Chevy have?

The famous double-hump cylinder heads. Casting numbers 3782461 and 3782461X used 1.94 and 1.50-inch valves. These were commonly called “Fuelie” heads.

What kind of casting does a Chevy cylinder head use?

Small Block Casting numbers Casting Number CID Years Valves Comments 10065202 350 82-86 1.94/1.50 76cc 10065203 350 82-86 1.94/1.50 76cc 10065204 350 82-86 1.94/1.50 76cc 10065205 305 82-86 1.84/1.50 58cc 10065206 350 82-86 1.94/1.50 76cc 10065207 305 82-86 1.84/1.50 58cc 10088113 350 86-92 1.94/1.50 58cc Corvette Aluminum 10120928 350 87-94

What’s the difference between 305 heads and 350 heads?

How to identify a small block Chevy cylinder head?

Can a 305 cylinder head be ported into a water jacket?

These heads will port out well, but be aware that 305 heads have smaller valves, so only look for 350 heads unless you’re specifically working on a 305. This will save you the expense of extra machining to put in larger valves. Also, if the porting technician is too exuberant, there’s the possibility of porting these into the water jacket.

Do you know the casting date for a Chevy engine?

A number of the casting dates refer only to the year of the decade so you will have to see which other features the part has to determine which decade it was made in. Some casting dates do have the year and the decade indicated, making it easier. We are always looking for new Chevy engine castings numbers.

Where are the casting identifiers located on an engine?

The diagram above shows where each of the casting identifiers is located on the engine. (1) shows the location of the HEAD CASTING NUMBERS and the HEAD CASTING DATE located under the valve covers, in the rocker arm valley. (2) shows the position of the BLOCK CASTING DATE on the rear ledge of the block near the bell housing mounting surface.

How to identify a small block cylinder head?

Cylinder Head ID Use these casting numbers to identify the heads you have. Small Block Casting numbers Casting Number CID Years Valves Comments 10065202 350 82-86 1.94/1.50 76cc 10065203 350 82-86 1.94/1.50 76cc 10065204

Where do you find the casting number on a car?

Casting numbers are incredibly important for a car owner to understand when buying and installing new parts in their engine. These raised numbers, often visible on the vehicle’s engine block, provide the series number, displacement range, and date and location of its manufacture.

Where can I Find my cylinder head casting number?

Clearwater Cylinder Heads is happy to assist you with your cylinder head casting number identification and set you up with one of our amazing replacements. Feel free to contact us or call toll-free at (800) 572-1963.

Where is the casting number on an Oldsmobile?

The 4 or 6 digit casting number is found around the center exhaust side rocker arm cover bolt or among the rockers on really early heads [pre-68]. Really late heads have #’s like 4417 or such, they might be out closer to the top of the exhaust port.

What kind of cylinder head does a Chevy Camaro have?

In addition to early heads, the 1986 and later Tuned Port Injected (TPI) 350 H.O. motors, such as the Pontiac Trans Am and Chevy Camaro, are worth having. These heads have chambers that look like they’ve inherited some smog-head characteristics, but they’re sufficiently removed to fall well short of that category.

What is the weight of a Chevy L98 cylinder head?

The L98 factory aluminum heads are, at 22 pounds, light and thin (iron heads are typically 47 pounds). Because of the effort to save weight, these heads are not as tough as their Bowtie brethren or any of the aftermarket heads.

2.00/1.55 Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports 10207643 350 94-97 2.00/1.55 Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports 10208890 265 94-96 2.00/1.55 Gen II L99 4.3 Liter V-8, cast iron, reverse flow 10215339 346 97 2.00/1.55 Gen III LS1 aluminum 68cc 10239906 305/350 96-up 1.94/1.50

How big is the combustion chamber on a small block Chevy?

Most aftermarket small block Chevy heads are available in either 64 or 76 cc combustion chambers. With a 76cc chamber we could probably run a flat top piston. Since we have chosen a head that is only available in 64cc chambers, we will have to adjust the dish on the piston.

The famous double-hump cylinder heads. Casting numbers 3782461 and 3782461X used 1.94 and 1.50-inch valves. These were commonly called “Fuelie” heads.

What should the compression ratio be on a 64cc engine?

If your engine has these pistons, expect the compression to be around 8.0:1 which is at least 1.5 ratios away from where it needs to be. The easiest way to improve compression is with a set of 64cc chamber cylinder iron Vortec heads and that 0.015 head gasket, which will push the compression up to 9.0:1

What was the casting number on the outside of the head?

The casting on the outside of the head was composed of 6 or 7 digits for early heads. Later heads only used the last, the last two or last 3 digits of the casting number. From 1973 on Pontiac also stamped a secondary head code on the machined pad just below the valve cover.

Where is the casting number on a Pontiac?

Casting Number The number is usually cast at the center or the right or left exhaust port. Some heads may have the number cast below the spark plug or below the valve cover. The casting on the outside of the head was composed of 6 or 7 digits for early heads.

What is the casting number for a Boss 302 cylinder head?

Casting numbers accurately identify head castings. This is a D0ZE-6090-A Boss 302 head casting with 2.19/1.72-inch valves. It is a closed-chamber Cleveland head casting with cooling passages for the Boss 302 block and induction. Note the milled pedestals and screw-in stud holes.

Where do you find the casting number on an engine block?

Casting numbers can be helpful, but some blocks used several different casting numbers, and in some cases, one casting is not interchangeable with the other. Engines are identified by a tag attached to the engine. This tag is used on all late 1964-1970 models and located under the coil attaching bolt.

What’s the casting number on a Chevy Vortec?

Casting number 12558062 is a Vortec head that is available from Chevrolet Performance. It is completely assembled with 1.94/1.50-inch valves, and 64 cc combustion chambers. It can be machined for 2.20/1.60-inch valves.

What are the casting numbers for a Plymouth V8?

This article will cover the majority of Dodge, Chrysler, and Plymouth V8 engines from 1958 through 1993. We have compiled a list of the casting numbers for both the cylinder heads and engine blocks, to be used as a reference when searching the junkyard. It will cover the following five engine families:

Where are the casting numbers on a Mopar engine?

ENGINE BLOCKS Casting numbers for the small-block Mopar and big-block Mopar engine blocks can be found on the left (driver’s) side of the block, and will consist of seven numerals. These numbers are different than the stamped eight-digit number found on the right side of the engine.

What are the casting numbers for a Ford cylinder head?

If you’re performing a correct restoration or a budget build, sometimes an original FoMoCo cylinder head is what you seek, so no matter whether you’re scouring the internet or junkyard, the following Ford cylinder head casting numbers should help you figure out what you’re looking at and where it came from.

What is the casting number for a Ford 5.0L?

Here we have the venerable E7TE-PA 5.0L head. One thing to note, is that due to the general numbering scheme of Ford’s casting numbers, you can have the same major casting number, for two completely different applications. For example, there is also an E7TE big-block Ford cylinder head, with the revision identifier of “BD.”

Where do you find the casting number on a Windsor head?

The fourth digit is the engineering division the part originated from, so most of the fourth digits will be “ E ” for “Engine” with a few exceptions. Here’s where you would find the casting number on a Windsor head. Here we have the venerable E7TE-PA 5.0L head.

What are the casting numbers on a Chevy cylinder head?