I have viewed a car that has the required mods. It seems like it will just happen sooner in the RPM band. (18-22lbs/min @ more than 230ish kpa).
IM afraid short of building a reflow, there is no way around it. However even at a lower PSI it still outflowed the "modded" car with the stock turbo by 7lbs/min max after 4K.
So like I said. take a 30 ft/lb hit in the midrange for 70-80 more hp after 4K.
Much faster car,less boost.
Last edited by BaldTurboFreak : 09-19-2008 at 05:45 PM.
BTF here are some HPL files, the first 2 are mine the second 2 are DeepblueGXP and the last 1 ais Scott's his car is stock except for the tune and wastegate mod.
__________________ Let's get SLIDEWAYS!
Solo Mach and No Cat
Dejon Intercooler, Intake Elbow, BOV spring
Wester's Garage Super Street tune
JPM custom shifter.
Barney Juice XPR 21
GM Auto-dimming mirror with OnStar and maplights
RMR Style Bar. Peak RWHP 286.3, Peak Torque 313 ft/lbs.
SSR Type C wheels, Bridgestone Potenza RE-01's
DDM Works PINK Breastplate
HKS Coilovers
GXP Z0K rear sway bar with urethane bushings front and rear
Location: Rosamond, CA - Home of Willow Springs Raceway
Quote:
So like I said. take a 30 ft/lb hit in the midrange for 70-80 more hp after 4K.
70 to 80 more hp after 4k but only lose 30 lb-ft? I can dig where you're comin from. Quite frankly, with my driving style, I would rather have 80 more hp on the top end than 30 extra lb-ft of torque. Either way, torque is going to be more than stock and that's fine with me.
__________________
2007 Cool GXP with Darkside Top, 5 spd, Ebony Cloth, Monsoon with Single CD, Sport Pedals, XM, A/C Mods: K&N Drop-in Filter, Solo Performance Street/Race Exhaust, Dunlop Direzza Sport Z1 Star Spec Tires, Eibach Pro-Kit Springs
Can't wait for the dyno comparison! Same car, same mods (exhaust, intake), first with the stock turbo, then with the modded one.
BTF can do it, since he has my turbocharger unless he already started the upgrade.
__________________ Aggressive GXP at $25,995.00 shipping of $600, MT.
Options:
Air, $960; Chrome Wheels, $545; PCQ, Premium Package (Leather), $525; Radio, 6-Disc with MP3, $495; Monsoon, $395; Premium Acoustic Headliner, $150; and Sport Metallic Pedals, $115; all totals $29,180.00. No XM/OnStar and NO Spoiler. MODS (Magnaflow 2.5", BTF Turbo Upgrade wheel,DDM BB,ProBean&tune, K&N filter, Ventureshield.
First 1000. Aggressive with everything, NO XM/OnStar. SOLD
~~~~~~~ NASSOA
Founding member
~~~~~~~
BTF here are some HPL files, the first 2 are mine the second 2 are DeepblueGXP and the last 1 ais Scott's his car is stock except for the tune and wastegate mod.
LV, to be honest I wouldnt run the turbo as it is.
The slag on the wheel combined with all the chips in the leading edge from eating broken glass would lead to destruction in short order.
The boost map from Jim1 would not surge the wheel.
~~~~~~~~~~~~~~~~~~~ Pontiac builds excitement... Saturn has rethought it's image...
The time has come for the enthusiasts... NASSOA
Founding Member - Recording Secretary - Northeast ~~~~~~~~~~~~~~~~~~~
I have an announcement to make PLEASE.
I am calling ALL the Supporting TUNER vendors to participate in my plan, and together with BTFRacing will give the Solstice\SKY membership, a performance solution that when weight against performance vs $$$ spend, will be a win win situation, not only for the owners but also for the Tuner Vendors.
Here is the PLAN.
I will be sending a GXP Turbocharger(GM KO4) to BTFRacing, this Stock turbocharger will get the new upgraded wheel and it will also be Swain Tech.
Once BTFRacing is finish with it, the upgraded turbocharger will be offer for a period of 15 days, to each Supporting tuner Vendor on the forum.
Starting with PCMForless if Alvin\Bryan want to take advantage of this offer and ALL others.
They can have the upgraded turbocharger and for 15 days they can develop tunes for our 2.0 LNF motor. I would like for them to develop tunes 1st using ALL stock hardware except for the Upgraded turbo of course, then they can add what ever extra components they would like to certify with their tune.
Next PCMForless will send the Upgraded Turbocharger to GMRoadster (Martin) and the same scenario of 15 days etc.
From there I would like for Dejon (Dave) using Lyndon's Westers tune and his Dejon IC to incorporate the BTF Turbo upgrade with this tune and any additional pieces they would want to test and offer to the membership.
I will also make the offer to Lyndon if he feels the need to test it in his own facilities in Canada.
I would also like to have Vector Motor Sports another of our Tuner Vendors participate, however they will need a couple of cars to be able to incorporate their tune with BTF Turbo upgraded wheel.
Finally I would like to challenge Hahn from Hahn Racecraft to send his IC with the BTF Turbocharger upgraded wheel, so those members that would like to have his IC, the tuners can also offer this combination.
I also do not want to leave RPI out of the equation, so if they would like to participate on this PLAN they are also welcome to have the BTF Turbo upgraded wheel turbocharger.
After ALL Tuners that want to take advantage of this PLAN are done, then the last one will return the Turbocharger back to BTFRacing for inspection and then finally back to me.
I truly hope that ALL the above mentioned Supporting vendors take advantage of this plan.
I am using the 15 days or 2 weeks for each tuner so they have ample time to develop tunes for different years(07/08/09) and also 5 speed vs automatic.
If they feel 15 days is not long enough we need to come up with a reasonable time table, so tunes can start been offer to our membership ASAP.
My expectations are, that after this is done, we will have tunes that will give our cars, the stock power of a LS1(350 BHP), LS2(400 BHP) and the LS3 (430 BHP).
Thank you.
PS:
BTF the turbocharger is been FDX to me this coming Monday, once I have it, I will then ship it to you, for the Upgrade of the Wheel and also the Swain Tech coating.
I am almost insulted not to be on this list Send us this baby and a doner car (ours has a much bigger hairdyer on it without the crap factory exhaust manifold) and we will see what it can really do!
Sometimes I wonder how much actual gain there is to be had for the exhaust manifold.
It would be nice to go back to back from my Gt30R to Gt30R w/ proper header.
70 to 80 more hp after 4k but only lose 30 lb-ft? I can dig where you're comin from. Quite frankly, with my driving style, I would rather have 80 more hp on the top end than 30 extra lb-ft of torque. Either way, torque is going to be more than stock and that's fine with me.
i agree, for a street machine i want it on the top end for the highway!
drag racers would probably prefer the torque on the bottom
LV, to be honest I wouldnt run the turbo as it is.
The slag on the wheel combined with all the chips in the leading edge from eating broken glass would lead to destruction in short order.
The boost map from Jim1 would not surge the wheel.
Go ahead and get a replacement wheel, unless that is the one is going to be replace.
Same thing with the BOV plastic housing go ahead and replace it.
I send you a PM yesterday.
Thanks
__________________ Aggressive GXP at $25,995.00 shipping of $600, MT.
Options:
Air, $960; Chrome Wheels, $545; PCQ, Premium Package (Leather), $525; Radio, 6-Disc with MP3, $495; Monsoon, $395; Premium Acoustic Headliner, $150; and Sport Metallic Pedals, $115; all totals $29,180.00. No XM/OnStar and NO Spoiler. MODS (Magnaflow 2.5", BTF Turbo Upgrade wheel,DDM BB,ProBean&tune, K&N filter, Ventureshield.
First 1000. Aggressive with everything, NO XM/OnStar. SOLD
~~~~~~~ NASSOA
Founding member
~~~~~~~
I am almost insulted not to be on this list Send us this baby and a doner car (ours has a much bigger hairdyer on it without the crap factory exhaust manifold) and we will see what it can really do!
Dave,
If you want to participate by all means, just get together with BTF.
I am sure there has to be a member near you that would like to see what you can do.
The trick is going to be once his/her car gets a taste of the added performance, he/she may not want to go back to the stock turbo.
I do not know the schedule yet with the other tuners that also want to have it for the 15 day test period.
__________________ Aggressive GXP at $25,995.00 shipping of $600, MT.
Options:
Air, $960; Chrome Wheels, $545; PCQ, Premium Package (Leather), $525; Radio, 6-Disc with MP3, $495; Monsoon, $395; Premium Acoustic Headliner, $150; and Sport Metallic Pedals, $115; all totals $29,180.00. No XM/OnStar and NO Spoiler. MODS (Magnaflow 2.5", BTF Turbo Upgrade wheel,DDM BB,ProBean&tune, K&N filter, Ventureshield.
First 1000. Aggressive with everything, NO XM/OnStar. SOLD
~~~~~~~ NASSOA
Founding member
~~~~~~~
Last edited by LatinVenom : 09-20-2008 at 02:48 PM.
BTF asked for the hpl files, so I posted them. I have never even opened the files, I just took them when we were all on the dyno, such as they are.
__________________ Let's get SLIDEWAYS!
Solo Mach and No Cat
Dejon Intercooler, Intake Elbow, BOV spring
Wester's Garage Super Street tune
JPM custom shifter.
Barney Juice XPR 21
GM Auto-dimming mirror with OnStar and maplights
RMR Style Bar. Peak RWHP 286.3, Peak Torque 313 ft/lbs.
SSR Type C wheels, Bridgestone Potenza RE-01's
DDM Works PINK Breastplate
HKS Coilovers
GXP Z0K rear sway bar with urethane bushings front and rear
i agree, for a street machine i want it on the top end for the highway!
drag racers would probably prefer the torque on the bottom
It's actually the reverse. Dragsters go for top end power and keep the revs there when charging down the quarter. Good street setups usually have low to mid range torque and less top end power.
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