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  1. gumper

    What should I change this year

    Last year I had the heads ported which improved my 1/4 times a solid four tenths. Now I want more of course. My setup: LA 408 with forged stuff, ~11.2:1 on pump gas Mopar .557 252*@50 solid cam Worked over Eddy heads by LaRoy Ported Air Gap Bigs stage 5 750 double pumper Hooker headers...
  2. gumper

    Head and intake porting performance numbers

    Had LaRoy engines do some porting work on my Eddy heads and Air Gap for my 408. Put them on Friday, and ran the 1/8 mile this weekend. Doing nothing but port work, 2.05 intake valves and milling them .010 gave me a two tenth improvement in the heat of the day. Was running 7.90s last year, and...
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