Can AnyOne IDENTIFY Theese Heads? SBC #3873487
Poop'n
Yep, I've been looking on the web for Small Block Chevy head casting
numbers and cant find any soo.... Anyone got the specs for #3873487?
Thanking you early.....
JSP
Why don't you check number again. The only thing that comes close is
3973487. Nine and eight are pretty easy to confuse unless you have the head
off and cleaned. So 3973487 belongs to:
1971 350 high performance applications
1971 350 trucks and passenger cars
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Poop'n wrote in message <34dd4073...@news.jps.net>...
LSparks709
>
>Yep, I've been looking on the web for Small Block Chevy head casting
>numbers and cant find any soo.... Anyone got the specs for #3873487?
>
>
I believe the correct number is 3973487, sometimes the 8 and 9 can be muddled
up in the casting. However,
they were made between 1971-1973, for intermediate (1.94/1.50) and high
(2.02/1.60) performance.
They are a good heavy casting for a street performance head with 74cc chambers,
good runners that port out very well.
At least around here they are prized (Oklahoma City).
Leonard
78 Camaro LT, 406TPI, 700r4,3.42 posi, 4wheel disc. 82 Skylark, 2.8 MPI, K&N
filter, Z24 chip, rear discs brakes. 73 Mustang, 351C 2V,#'s match,90
Dynasty (wifes cars)
Who dies with the most toys, still dies, no prize.
small block
Also look on the under side of the intake ports for the 487 and an X
If you see the X you have the 171cc intake ports if not they are 160.
both are 1.94/1.50 & 2.02/1.60 76cc chambers.
Cast from 68-79 but X castings stoped in 73.
Small Block
Chevy Mania