ATI, Vortech, Paxton....which is better???
Thread Starter
Senior Member
Joined: Sep 2000
Posts: 785
Likes: 0
From: St. John's, NL, Canada
Car: 1988 Trans Am GTA
Engine: 383
Transmission: 700R4
ATI, Vortech, Paxton....which is better???
Just like the subject says, which one is better??
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http://www.members.tripod.com/~btessier
88 GTA
L98 350
700R4
3:27 axle
MODS,
Edelbrock TES headers, 2.5" straight pipe, Flowmaster 80 series, K&N filter, Accel 8.8mm wires, Bosch Platinum plugs, Wells cap and rotor button, Wells ignition module, MAF screens removed, Hypertech TB air foil, Thermomaster stage II chip, 180* Powerstat, Hypertech cool fan switch, B&M shift kit, B&M power clutch pack, B&M servo, GM fuel filter.
[This message has been edited by speed88 (edited November 28, 2000).]
[This message has been edited by speed88 (edited November 28, 2000).]
------------------
http://www.members.tripod.com/~btessier
88 GTA
L98 350
700R4
3:27 axle
MODS,
Edelbrock TES headers, 2.5" straight pipe, Flowmaster 80 series, K&N filter, Accel 8.8mm wires, Bosch Platinum plugs, Wells cap and rotor button, Wells ignition module, MAF screens removed, Hypertech TB air foil, Thermomaster stage II chip, 180* Powerstat, Hypertech cool fan switch, B&M shift kit, B&M power clutch pack, B&M servo, GM fuel filter.
[This message has been edited by speed88 (edited November 28, 2000).]
[This message has been edited by speed88 (edited November 28, 2000).]
i think they all have their own good attributes. i couldnte tell you which... i think it was like powerdyne that recently came out w/ a ball bearing turbo that lasts twice as long as regular ones.. but i could be wrong. call the diff. companies, see what they claim, and look around for 'real world' applications
Do some research and find out what you like best. I would shy away from paxton though. i have only heard of a handful of people who have had any luck with them and one of them is switching to a procharger (Willie).
i like both brands...but the reason i went procharger instead of vortech was because they offered twice as much boost and an intercooler. Also, never heard of a stock TPI car put into the 12s with a vortech. Prochargers PUT TPI'S IN THE 12S WITHOUT A PROBLEM
i like both brands...but the reason i went procharger instead of vortech was because they offered twice as much boost and an intercooler. Also, never heard of a stock TPI car put into the 12s with a vortech. Prochargers PUT TPI'S IN THE 12S WITHOUT A PROBLEM
Thread Starter
Senior Member
Joined: Sep 2000
Posts: 785
Likes: 0
From: St. John's, NL, Canada
Car: 1988 Trans Am GTA
Engine: 383
Transmission: 700R4
Thanx for the help! 
------------------
88 GTA
L98 350
700R4
3:27 axle
MODS,
Edelbrock TES headers, 2.5" straight pipe, Flowmaster 80 series, K&N filter, Accel 8.8mm wires, Bosch Platinum plugs, Wells cap and rotor button, Wells ignition module, MAF screens removed, Hypertech TB air foil, Thermomaster stage II chip, 180* Powerstat, Hypertech cool fan switch, B&M shift kit, B&M power clutch pack, B&M servo, GM fuel filter.
Veiw my car at:
www.members.tripod.com/~btessier
[This message has been edited by speed88 (edited November 28, 2000).]

------------------
88 GTA
L98 350
700R4
3:27 axle
MODS,
Edelbrock TES headers, 2.5" straight pipe, Flowmaster 80 series, K&N filter, Accel 8.8mm wires, Bosch Platinum plugs, Wells cap and rotor button, Wells ignition module, MAF screens removed, Hypertech TB air foil, Thermomaster stage II chip, 180* Powerstat, Hypertech cool fan switch, B&M shift kit, B&M power clutch pack, B&M servo, GM fuel filter.
Veiw my car at:
www.members.tripod.com/~btessier
[This message has been edited by speed88 (edited November 28, 2000).]
Supreme Member

Joined: Aug 1999
Posts: 2,441
Likes: 1
From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Procharger!
But yesterday I talked to a guy who had a vortech on his vette, previoshe had a ATI. According to him the vortech gave more boost under a longer rpm and the ati was more like a turbo kick......
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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTB, ported plenum, 52 TB, MSD 6AL, TPIS level V prom, Mod .MAF, Superior shift-kit and some minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
But yesterday I talked to a guy who had a vortech on his vette, previoshe had a ATI. According to him the vortech gave more boost under a longer rpm and the ati was more like a turbo kick......
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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTB, ported plenum, 52 TB, MSD 6AL, TPIS level V prom, Mod .MAF, Superior shift-kit and some minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
vettes are a completely different car with better heads and better suspension. also...any centrifigal's boost runs on rpms. my ati is 12psi at 5500. i see 10psi at 5000 so i would have seen 12psi at 5500. also, if i reved it higher i would have seen more boost. the reason ati feels like a turbo because it has a higher step up ratio and hits sooner, that is why ati's on LT1's with even a little bad tune blow up so easy.
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add one more to your paxton good luck file had mone for 10000 mi and no problems and the car will run 12.7 quarter mile times.don't know if i got the only good one they made or what.will tell you though if i was to do this over i'd buy the vortech
later pete
later pete
Supreme Member
iTrader: (1)
Joined: Dec 1999
Posts: 4,335
Likes: 4
From: Mays Landing NJ
Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
I did a lot of research on this topic...i'm doing a buildup next winter...a blown 355...i was impressed by ATI's numbers and performance....plus they have a great warranty.....i think i'm going with the P-1SC blower @12#'s with a 3 core intercooler....with a nice intake and a blower cam that could put me in the high 11's
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89 GTA
Originating memeber of the SJNEP crew
Rice....it's whats for dinner
check out the car here:
http://www.hometown.aol.com/clarkemustgonow
Tony
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89 GTA
Originating memeber of the SJNEP crew
Rice....it's whats for dinner
check out the car here:
http://www.hometown.aol.com/clarkemustgonow
Tony
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