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Engine Mod Suggestions?

G

GrandPrix219

New member
Just bought an 07 Grand Prix GT and am looking to do some mods too it. I am about to order the basics (cai exhaust and high flow cat, coil packs with msd wires and plugs) but am kind of stuck in a dead end after that. Short of computer tuning I'm at a loss for more upgrades and research on the internet has been hit and miss on certain things. If anyone has any suggestions I'd appreciate it. Also any idea in what I can expect in terms of power gains from the above mentioned upgrades? Thanks to all.
 


what are you doing for exhuast?
i suggest headers. keep stock coils and plugs and wires.
if you have the ability to tune i would drop a pulley size to a 3.6/3.5 along with headers/cai/colder spark plugs.
 
why's that? and its an slp exhaust. only one i could find really. and headers are IMPOSSIBLE to find. i've searched numerous times and cannot find any.
 


its alright lol.
stock coil packs last the longest and dont fail. MSD coilpacks are prone to failure and rob power. for the short amount of miles they work im sure they work great, but i doubt you want to change them out after maybe 10k miles.
i have heard people saying that they CAN get a good amount of miles on them BUT thats a very rare statement.
 
ebay. usually people have good luck with speed daddy's but i dont have any personal use with them so hopefully someone will chime in.
 


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