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Topic: SO head casting numbers (Read 905 times) previous topic - next topic

SO head casting numbers

I have a set of Gt40P heads and it says so right on the head...but what's the number for SO?
'83 Cougar *the never ending project* warmed over 306 v8,c4,8.8 posi with 5 lug conversion
'91 mustang strictly street-in progress
'00 f150 7700-Mean Green: jet stage 1 chip,ported upper intake with 1" spacer,'04 Super Duty intake with injectors,summit racing short tube headers with true 2.5" duals with smithy's glasspacks!
 

SO head casting numbers

Reply #1 –
mine are e6's
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1974 maverick lsx powered turbo car SOLD
1973 maverick Tijuana Taxi Tribute
1957 chevy LSX Turbo project (race car)
Owner of Joe Dirt Fabrication