Quote:
Originally Posted by SD455DJ
Steve, we started with 38 degrees initially (used 93 octane E10 gas), but then bumped it up to 41 degrees and got half of the hp/tq gain (10/10). I wish I made a last pull form 2500 to 5500 rpm.
Dennis
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Wow,,,41 total. Out of the mild to race engines ive had built from Eheads to ported iron ive never had a engine like even close to 41 degrees. Maybe 35 at the most.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86'
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