I'm new to modding my GP, I have a suzuki busa so i like speed, I want to know what could i do to gain an extra 40 HP's beside's NOS.
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40 WHP?
1) CAI or FWI
2) Ported Blower
3) Bigger or ported TB
4) Headers w DP
5) Smaller Pulley (3.4)
6) Tuner
7) Others (plugs, wires, thermo etc)
This is a guesstimate to gain 40 WHP. I still feel like i am overestimating, youll probably need an IC setup, cam or RR's.
I really suggest you read this first.
@dnaprodigy thks, @bio248 the busa is the best, i know ur not thinking that the kaw is better. I came up with 40WHP because i want at least 300WHP but would consider more. I wasn't sure what i needed to spend to get a significant boost.
The GTP's do not have anywhere near 260 whp........so to get to 300 is def. gonna be closer to 85-100 whp more than stock. They have about 240-260 crank HP stock depending what year and model you have.....so you will need lots of mods......intercooler, smaller pulley than 3.4, awesome tune, and all the supporting mods to reach your goal...
300 whp is full intercooler, rockers, headers, and a stupid good tune. even then you might not make it without a cam unless you have someone awesome at tuning at your disposal.
this is my favorite
the 300whp list
-xp cam
-105lb springs
-headers
-gen V
-N*
-full size intercooler
-smallest pulley you can get away with
-sexy ass tune
For an '04...go like this...also this is if money isn't really THAT much of a issue.
Full Size Intercooler from ZZPerformance
#42.5 Fuel Injectors
Headers of some kind (I'd get Peacesetter's for the money - http://www.grandprixforums.net/f73/l...ion-16085.html )
TDC Fenderwell Intake
180* T-Stat
Autolite 103 Spark Plugs
ZZP Modular Pulley System with a 3.25" to start and you can work your way lower if your knock free
Then either rockers (1.84's can be done with stock springs and retainers) or a Cam...S1X or XP are great cams.
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