Thread: 70 Monte 454 Fuelie Bad Combo Questions:(

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290cc intake runners
12363390 GM heads

http://sdparts.com/details/gm-perfor...parts/12363390

4000 lbs. car T400 trans, 3.30ish 12 bolt posi (I forgot exact ratio) 26.5 diam tire.
93 octane. I want the best I can get performance/drivability.
Was looking for 550/550 Tq Hp

Thanks, John

Originally Posted by ssvolvo

290cc intake runners
12363390 GM heads

http://sdparts.com/details/gm-perfor...parts/12363390

4000 lbs. car T400 trans, 3.30ish 12 bolt posi (I forgot exact ratio) 26.5 diam tire.
93 octane. I want the best I can get performance/drivability.
Was looking for 550/550 Tq Hp

Thanks, John

ok them heads are fine i used them there more of the roval ports if were not open up or over ported .what cr are you using for the new piston