• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Hello

S

savedbynumbers

New member
Hello, everyone. This is my first post since joining, but I've logged on as a guest countless times over the years for advice. I have an 01 Grand Prix GTP with a decent number of bolt-ons and I'll get a dyno run for the first time to see where it's at hp wise. I will probably wait to get a dyno tune from ZZperformance or some other 3800 expert place after I change cams. I know stock the L67 is around 200 at the wheels, it will be interesting to see where I'm at. I have a PCM tune from Overkill that kicks ass, TOG ceramic headers with RT Cat removing u-bend, Corsa exhaust, K and N cone intake, 3.4" pulley, polyurethane motor mounts, and a ported Eaton M90. I also have BMR front and rear lateral arms, trailing arms, Eibach 1.3" lowering springs, speedbuilt sway bars and stainless steel brake hose lines. It does have 148,000 miles but runs like new and I have always used synthetic oil.

I definitely look forward to being part of this forum and will let everyone what she dynoes at.
 


Hello everybody. Great site! Everything I wanted to know and more. I have an 03 GTP with 90000Km and never really thought about modding it until I saw and heard a modded 01 GTP a Local guy has......I thought WOW I can make my car sound and go like that....Where do I start. Well to anybody that has a GP of any kind this should be the first stop. Thanks again.
 
Volicious said:
Hello everybody. Great site! Everything I wanted to know and more. I have an 03 GTP with 90000Km and never really thought about modding it until I saw and heard a modded 01 GTP a Local guy has......I thought WOW I can make my car sound and go like that....Where do I start. Well to anybody that has a GP of any kind this should be the first stop. Thanks again.
Click to expand...

if you have your own question you should make your own thread
 


I had it dynoed and it was less power than I thought, 238hp and 270tq at the wheels. After a little tweaking it was 245 and 277, I'm sure due to the age and wear and tear I've lost a little power. I am going to add an I/C and a hotter cam with all the supporting mods. One interesting note is I was making 12.75 pounds of boost on a 3.4" pulley.
 
port the throttle body. thats probably around average for ur mods, oh, 1.9's rockers will def. help.maybe a few tweaks here and there, good luck.
 
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