TYMBOM Posted November 2, 2009 Report Share Posted November 2, 2009 I'll throw my two cents in, I only run a single 3" Magnaflow exhaust with my 408 and 18lbs from my D1SC. It runs consistant 11.4's. I don't think your duals are hurting your time at all. Quote Link to comment Share on other sites More sharing options...
mcmahan Posted November 2, 2009 Report Share Posted November 2, 2009 call me crazy.. but thats still a very respectable time.. I'd love to run that personally. Good luck gettin the kinks worked out that makes 2 of us Quote Link to comment Share on other sites More sharing options...
caddy03pimpin Posted November 2, 2009 Report Share Posted November 2, 2009 i got a cam speced very close to yours but it was for my 408 with simalir setup, good luck man Quote Link to comment Share on other sites More sharing options...
misterp Posted November 2, 2009 Report Share Posted November 2, 2009 OK here's what I see - your MPH didn't change at all, meaning the motor is not making any more/less HP; the 60-ft times fell, so it's not launching as well. Krambo is extremely knowledgeable on making power with the Radix, I agree with him you don't want to overspin the blower so calculate what your blower RPMs are at your desired shift points, also what are your IATs like? What converter is in the truck? Your PCM probably needs to be retuned for that new cam as well, what is your timing curve like? Are you running a 90mm throttle body? Mr. P. Quote Link to comment Share on other sites More sharing options...
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