Thread: Put The GTP On DynoJet, For A Base Line(Video n Pics)

So i finally decided to go take the car to get Dyno numbers. So my buddy and i said Eff it lets go get a base line be for we start intense mods...

My 165k mile GTP with K&N FIPKIT, 3.4 Pulley, ZZP PCM, MSD 8.5mm, U-bent & Muffler Delete,AutoliteXP...

Mods to come: Headers, XP Comp Cam, Transmission Build up, Injectors, and other supporting mods....

Best Numbers that day 222whp and 240tq expected lower...

YouTube - MVI_0615.MOV
YouTube - MVI_0616.MOV

Could not figure out what happen on the Graph at the high RPMs, Maybe the supercharger loosing momentum, IDK Can any one explain?

Then my boys 2008 Grand Prix GXP V8 Got 264whp and 280tq only down pipe and cut out on it everything else stock.

YouTube - 2008 Pontiac Grand Prix GXP Dyno Pull 1

YouTube - 2008 Pontiac Grand Prix GXP Dyno Pull 2

Screaming!

its not the blower losing momentum up top, its that these cars have no top end with the stock cam and rockers.

it also looks like the guesstimating ive been doing for people for the last couple years has been pretty damn spot on.

Originally Posted by Bio248

its not the blower losing momentum up top, its that these cars have no top end with the stock cam and rockers.

it also looks like the guesstimating ive been doing for people for the last couple years has been pretty damn spot on.

Yeah I need to address that soon... getting tired of being able to take cars off the line but they always catch up on the long run... lol.

N yea I expected lower power from it but I guess it still got some kick in it...

those guys dont really know how to dyno cars.....


the hp is on par. i have seen from 220-240 for those mods, i dont get the torque tho, i see torque reading all over the map, some as high at 320, some as low as yours.

where it dnr at been looking for a new dyno place Im in stockton so any where in the bay is fine
after i get my 3.2 pulley and dp i wanna get new numbers and possably dynotuned

It's probably dying off from knock.

Originally Posted by bluegtp91

It's probably dying off from knock.

that too.

Originally Posted by TorqueAutoMotiv

where it dnr at been looking for a new dyno place Im in stockton so any where in the bay is fine
after i get my 3.2 pulley and dp i wanna get new numbers and possably dynotuned

It's in hayward they charged 80$ for three pulls. The guys specialize in imports n had it set up for fwd over dynos where rwd set up only. Which sucked cause they had better pricing...

Originally Posted by bluegtp91

It's probably dying off from knock.

Yeah. How do you correct that from happening?

Originally Posted by CheeWee

It's in hayward they charged 80$ for three pulls. The guys specialize in imports n had it set up for fwd over dynos where rwd set up only. Which sucked cause they had better pricing...

ok good deal ill check them out
the dyno guy out here is mainly set up for rwd but the way his stuffs set up didnt make dif either way i dont think was fun when a strap broke in the second pull scred that crap outta me car walked sideways and was an experiance

Originally Posted by CheeWee

Yeah. How do you correct that from happening?

Putting a stock pulley back on it. Or getting headers and a tune...your losing a good amount of power after 4500K when things really start to heat up...then if you don't really feel like fixing it...say hello to a chipped piston or even worse...not that a new short block isn't bad but still.

Originally Posted by TorqueAutoMotiv

ok good deal ill check them out
the dyno guy out here is mainly set up for rwd but the way his stuffs set up didnt make dif either way i dont think was fun when a strap broke in the second pull scred that crap outta me car walked sideways and was an experiance

damn i would of ****ted my pants if that happend. lol let me know when u are going i will try to work out a deal with him for our GPs...

Originally Posted by bluegtp91

Putting a stock pulley back on it. Or getting headers and a tune...your losing a good amount of power after 4500K when things really start to heat up...then if you don't really feel like fixing it...say hello to a chipped piston or even worse...not that a new short block isn't bad but still.

yeah gonna be getting headers pretty soon(speeddaddys) since they are so cheap and then take it back to get tuned.