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looking for at least high 13's. 98' gtp

H

hollas13

New member
3.4 mps, 3" catless dp, autolite 104's, fwi, ported front manifolds, 180* tstat and zzp 1.0 pcm. should this put me close or what else would have to be done. i know all cars respond different but a rough geuss would be appreciated. looking for high 13's at least.
 


Yeah, I ran a fairly consistent 13.7@99 with those mods. I would get a front power log though...much better than a "ported" front manifold.
 
Headers while you are at it incase you want to drop more pulley, better to have more room for mods then not enough.
 


x4 on headers, i never broke into 13's on my 3.4 set up, (mainly because of traction and a driver mod) but i consistantly had traps over 100mph so i should have been able too (I had your mods except headers and a reptile tune)
 
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