How do you identify cylinder heads?
How do you identify cylinder heads?
Look for three different locations where your Ford cylinder head code number will be located: on top of the head under the valve cover; on the bottom of the head, requiring the head to be removed; and on the side of the head just under the valve cover lip.
How do I know what power pack my head is?
Small triangle on top of the a rectangle on front of heads is indeed a Powerpack head. They’ll also have no accessory holes I believe. They are a head that accompanied a 4bbl engine which would signify a Horse Power minded head as compared to the economy heads of the year.
Where is the casting number on a cylinder head?
HEAD CASTING NUMBERS The head casting number is located on the top of the cylinder head. The valve covers must be removed to find the number. Keep in mind that if you remove the valve covers, new gaskets may be needed.
How do you identify Vortec heads?
Vortec heads have the “sawtooth” pattern casting mark on the end of the heads. The bowl area is wide around the valve guide – much wider than the old GM cast iron ‘camel-hump’ heads. The intake and exhaust valves and valve seats have a three-angle grind from the factory.
How good are 882 Chevy heads?
The 441 has a reputation as a good-flowing head among the production 76cc chamber heads. In this particular case, it lost out to the 882 head, but overall it’s a decent head that responds well to pocket port work and larger 2.02/1.94 valves….
| GM 882 IRON | |
|---|---|
| Port: | 151 cc |
| I Flow @ 0.400: | 203 cfm |
How can you tell if a 350 head is a Vortec?
What are Fuelie heads?
It’s two half-ovals connected by a straight bar-most easily described as “two humps.” Some of these are also nicknamed “Fuelie” heads because a version appeared on fuel-injected 327-powered Chevy Corvettes. These heads appeared on 327 and 350 cubic inch engines across most of the 1960s (beginning in 1962).
What year 350 has Vortec heads?
The Debut. From 1996 to 2000, GM truck and van 350 engines came equipped with L-31 Vortec cylinder heads.
How much HP do Vortec heads add?
Most of these small block Chevy heads offer a power increase of around 40 hp, and even the iron Vortec heads were worth 20 hp over stock. The two best small block Chevy heads in terms of peak horsepower were worth more than 60 hp.
What are Fuelie Heads and how can I identify them?
Back to your original question, most people call the “camel hump” heads fuelies but as stated before, only the 461 were true fuelies. There are several closed chambered heads with different casting numbers and markings that will perform as well and a original fuelie head.
How can I tell if a fuelie head is a pushrod?
Look for the distinct double hump casting on the ends of the head. Not square, not triangle, but 2 humps kinda the outline shape of the stud side of a pushrod guideplate. Get the last 3 digits of the casting number and post them up for us, it’ll tell alot about the head. Thanks Cameano for the info.
How to identify a small block 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 Casting Number CID Years Valves Comments 10065202 350 82-86 1.94/1.50 76cc 10065203 350 82-86
What kind of cylinder head is GM 461?
The double-hump family actually consists of many different casting numbers that GM produced for different engines in the ‘60s and ‘70s. The castings are usually identified by the last three numbers, so 3782461 cylinder that was produced originally for 327ci engines would be better known simply as the 461 head.
