OK, have a 97 GTP did an xp cam with supporting mods but shes not running healthy
XP cam
valve springs
modded retainers
double roller
tr6ix spark plugs
zzp 3" DP W/ cat
ZZP 3.2 pulley ( running a 3.4)
shorter dog bones
ZZP 1.0 pcm
refurbished m90 from ZZP
Just driving back and forth to work it runs fine it starts up fine its just when i floor it she will open up but then the KR kicks in and she goes full retard. i just need help with what mods should i purchase next and what should i do for a tune?
