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GTA NON-TECH Got a question about non-mechanical items related to your GTA.... whatever they may be? Then post it HERE!

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Old 02-13-2007   #1
8t8gtaguy
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Unhappy Super Chips?

Just wondering peoples thoughts on Chipping their cars. ive looked at doing it to my gta, but not sure what to go through. Hypertech maybe>??? Ideas please
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Old 02-13-2007   #2
FearThisGTA
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GTA Year: 1991
GTA Engine: 350 TPI Automatic
Re: Super Chips?

Unless you have a alot of mods, like cam, heads, intake, exhaust, and so on then there is no real reason to get one. Save your $$$$ get all of your mods done and then do a custom chip. You will be glad you did.hth
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1991 GTA Trans Am
w/305,231 miles
on the original motor!!!!
Time of Death on motor, 4:07pm on 05/29/2010.
Hp:211.2@4200rpms/Tq.328.5@2700rpms
Best et: 13.959@97.05mph
Best mph: 98.3
Best 60' : 1.875 on BFG Comp TA's w/ 32 lbs of air in them
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Old 02-13-2007   #3
FrankieRider2
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GTA Year: 1988
GTA Engine: 350 TPI Automatic
Re: Super Chips?

I have the full Hypertech setup in both my GTAs but not for the performance benefits; I did it to help my cars run cooler on the road and in traffic. I have the chip, the thermostat, and the fan switches on both cars.

I suppose that a cooler running engine has more power than a hot one, but that's not the reason I swapped mine. So far they have worked beautifully with no problems whatsoever.

For performance applications, Cliff has the best advice above.... wait until everything's done and then get the custom chip to match your modifications to your car.... and then it's VROOM time!
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Old 02-14-2007   #4
355GTA
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Re: Super Chips?

I got a custom chip from fastchip.com. I had mods done to the car and figured it would be a good idea to do this so the ECM wouldn't think the car was running stock still. It was pretty cool, they have an order form that asks all the specifications of your car and then they program that new info right to the chip after you fax it to them.
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Old 02-14-2007   #5
MunsonGTA
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GTA Year: 1987
GTA Engine: Custom
Re: Super Chips?

Quote:
Originally Posted by 8t8gtaguy
Just wondering peoples thoughts on Chipping their cars. ive looked at doing it to my gta, but not sure what to go through. Hypertech maybe>??? Ideas please
unless the only mods you have done are exhaust, air filter, and lower temp fan switch... the hypertech and jet chips are crap. they are only really setup to work with those mods.
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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Old 03-10-2007   #6
Red91GTA
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Re: Super Chips?

Heres what the hypertech chip claims:
The Street Runner(tm) also raises RPM for torque converter lock-up, producing better driveability and smoother shifting.

HP & Torque For Hypertech Street Runner Power Chip:
10-15 HP/20 ft lbs Torque
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Old 03-10-2007   #7
FearThisGTA
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GTA Year: 1991
GTA Engine: 350 TPI Automatic
Re: Super Chips?

Hmmmm, naaa, I dont think so. To many people have ran them and had very poor results. The only thing thet do is move up your timin a little, bump up the fuel curve and some delay tq lock up until you get to 4th gear.
Like I said before do what you like but you can more hp and tq with that same amount of $$ from other bolt ons beside that.
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Cliff Jones
1991 GTA Trans Am
w/305,231 miles
on the original motor!!!!
Time of Death on motor, 4:07pm on 05/29/2010.
Hp:211.2@4200rpms/Tq.328.5@2700rpms
Best et: 13.959@97.05mph
Best mph: 98.3
Best 60' : 1.875 on BFG Comp TA's w/ 32 lbs of air in them
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Old 03-29-2007   #8
paformula
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Re: Super Chips?

Quote:
Originally Posted by Red91GTA
Heres what the hypertech chip claims:
The Street Runner(tm) also raises RPM for torque converter lock-up, producing better driveability and smoother shifting.

HP & Torque For Hypertech Street Runner Power Chip:
10-15 HP/20 ft lbs Torque
when they say raises RPM, do they mean changing to a higher idle? Especially since our older auto. trannys don't have electronic shift like the newer cars. The reason I ask is that my wife's GTA with a 5-spd trans. and a hypertech chip has an idle problem. It idles fine after you fist start it cold, then as soon as you start driving, the idle increases to about 1500 RPM. I wonder if the hypertech chip is causing this. If so, then I'll be swapping in a stock chip ASAP.

Any thoughts?
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Old 03-29-2007   #9
MunsonGTA
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GTA Year: 1987
GTA Engine: Custom
Re: Super Chips?

is the hyperjunk chip in there for a manual car? the manual and auto cars have a difference between them i think. the RPM that is talked about is for the lockup of the torque converter. it just doesn't allow the TC to lock up until a higher RPM, giving you better performance.
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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Old 03-31-2007   #10
Red91GTA
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Re: Super Chips?

The hypertech chip i quoted that from is for a 91 GTA with 350tpi/Auto tranny.
Like what munson was saying the chip wont allow the tc to lock up until a higher RPM giving you a better take off.
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Old 03-31-2007   #11
Stephen
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Re: Super Chips?

Off-the-shelf(Hypertech, etc.)=a waste

Do your mechanical mods, custom burn a chip for YOUR mods, and you'll be 10 times happier

I've played the off-the-shelf game before...wasted my money.

Start with CAI, exhaust (headers, hi-flow cat, performance muffler). Move to 1.6 roller rockers, ported plenum/base and siamese runners or a short ram intake. MAYBE then, you'll be ready for a chip. But you can still do a cam, Vortec heads, larget TB...the list goes on and on.

Bottom line? Mechanical mods before computer mods.
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Old 03-31-2007   #12
MunsonGTA
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GTA Year: 1987
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Re: Super Chips?

i wouldn't totally agree with that. when i first got my car it had the stock chip, 24# lt1 injectors, zz4 cam, headers, flowmaster exhaust. the car ran alright, but never anything better then that. that's when i found lsracingchips and had them tune my car, it woke the car right up. after that my car ran top notch.
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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Old 03-31-2007   #13
Stephen
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Re: Super Chips?

Why not? Your just backing my point up. Perform your mechanical mods, then havea custom chip burned to your specific mods.

If you swapped in a chip, on a stock engine, you'd be disappointed by the results. Not to mention, if you did te mechanical mods, you'd hafta redo the chip.
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17x9 275/40s front/17x11 315/35s rear custom widened & powdercoated ROH Snypers--02 Rear wing
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Old 03-31-2007   #14
MunsonGTA
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GTA Year: 1987
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Re: Super Chips?

yeah but i only had minor mods done. if you go and do a heads/cam/intake swap without burning a chip right then and there, you'd be lucky to get your car started.
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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Old 04-01-2007   #15
strc09
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GTA Year: 1988
GTA Engine: Custom
Re: Super Chips?

Here's a question then...

Since I have recently done some induction upgrades on my car will I need a new chip in order to make my car run?

Mods include...

Edelbrock High-Flow Aluminum intake
SLP Runners
SLP Airfoil
Accell 26# Injectors
K&N Air Filter

Not to forget my previous mods...

Shortie headers
No cats
3-inch Flowmaster American Thunder Exhaust
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GTA: Grand Turismo Americano (Grand Touring America)
1 of 930 1988 Gunmetal Metallic GTAs produced (RPO 87U)
Built by Zeus Performance and tuned by Alvin from PCM4Less
Check out my website: Night Vision GraFX
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Old 04-01-2007   #16
FearThisGTA
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GTA Year: 1991
GTA Engine: 350 TPI Automatic
Re: Super Chips?

I wouldnt think so. Now if you had done a cam and head swap then yes. But, with the mods you have done, I wouldnt think so. Oh and btw, I know of a lot of cars runnin the ZZ4 and alum heads as well as your mods and still just on a factory chip but runnin in the 12's
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Cliff Jones
1991 GTA Trans Am
w/305,231 miles
on the original motor!!!!
Time of Death on motor, 4:07pm on 05/29/2010.
Hp:211.2@4200rpms/Tq.328.5@2700rpms
Best et: 13.959@97.05mph
Best mph: 98.3
Best 60' : 1.875 on BFG Comp TA's w/ 32 lbs of air in them
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Old 04-02-2007   #17
strc09
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GTA Year: 1988
GTA Engine: Custom
Re: Super Chips?

That's good to know. I might have one burned just to be on the safe side. I don't think it would hurt...might actually improve. What do you think?

BTW...car is running. Just need to go back and reset the timing to smooth it out some, but the car left my buddies house last night under its own power! We did run into a couple of other issues though. The brake light on my dash is on now. We did replace the resevoir of the master cylinder because my other one was leaking and replaced a caliper, but that's it. The porportioning valve on it is brand spanking new withing the last six months. I don't know why it's on.

The other issue is oil pressure. I had pretty good pressure the whole time the car sat and idled. I continued to have good pressure during the trip home until I came to a stop and sitting at the light. It bottomed out at zero. Got off the road quickly and shut it down. Still oil in the motor. When I restarted I heard a slight knock coming from the passenger side. It only last a couple seconds then went away.

Thanks for the info.
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GTA: Grand Turismo Americano (Grand Touring America)
1 of 930 1988 Gunmetal Metallic GTAs produced (RPO 87U)
Built by Zeus Performance and tuned by Alvin from PCM4Less
Check out my website: Night Vision GraFX
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Old 04-03-2007   #18
Ozzy88GTA
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GTA Year: 1988
GTA Engine: 305 TPI Automatic
Re: Super Chips?

I can tell you this from my own experience. I did all the mods first and then the PROM last. The car ran OK but after this custom PROM went in, it was like night and day. After more than a year of running with mismatch programming I wish I had it done ahead of time. The Hypertech is OK for a stocker with minor mods, but for a modified engine a custom job is the only way to go. and that includes intake swap too which is a must.
On the plus side also, I had Highway Mode enabled to save a little on fuel while cruising, you can't get that on an off-the-shelf PROM.

Ozzy
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Old 04-04-2007   #19
strc09
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GTA Year: 1988
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Re: Super Chips?

My chip will be here by Friday at the latest.
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-Patrick

GTA: Grand Turismo Americano (Grand Touring America)
1 of 930 1988 Gunmetal Metallic GTAs produced (RPO 87U)
Built by Zeus Performance and tuned by Alvin from PCM4Less
Check out my website: Night Vision GraFX
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Old 04-04-2007   #20
MunsonGTA
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GTA Year: 1987
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Re: Super Chips?

who did you guys go with for tunes?
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87 GTA: Forged 408 LSX short block, TEA stage 2 cnc ported 243 heads, BTR Stage 3 stroker cam, Fast 102 intake, NW 102 TB, Longtube headers, custom 411 ECM, custom harness, custom tuned, Performabuilt stage 2 4l60E with PTC 2800 stall, 9 bolt rear with 3.70 gears and TAP girdle.

11.16 at 123 mph.
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