Mystery Heads no info Need help!
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Joined: Dec 2010
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From: Omro Wisconsin
Car: 86 IROC-Z
Engine: 383 Stroker Vortec
Transmission: 700r4 Built
Axle/Gears: 3:42
Mystery Heads no info Need help!
Alright im currently tearing down a 1970 350 outta what im told is a impala motor. i ran the numbers on the block and it is a 350 from 69-79 but when i went to run the numbers off the heads i could not find any info anywhere the numbers are 8678487 or possible the 6 is a 8 also it really hard to tell but ive run each variation and cant come up with any info on them.. if anyone can help me out on any info on these heads id reall apperciate it!
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Joined: Jul 1999
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Mystery Heads no info Need help!
Closest numbers I can see that may match and be in the same era is 3973487 used on 71-72 350 LT1, 75cc chamber
Joined: May 2009
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From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Mystery Heads no info Need help!
Nothing here... http://www.chevy-camaro.com/chevy-ca...es.asp?group=1
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