my 93 formula has a glove box sticker with a code of gu60 i think .can i change the the gears in this axle as i have read that some axles have differant crown wheels and you can not get gear sets for them or am i getting confused
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http://www.pontiacdriversclub.co.uk/ keeping it pontiac in the the uk. 93 formula a4 ZR1 rims
C A I , B M R torque arm lower arms panhard rod and sub frame conectors borla adjustble with Q T P valve and no cat WHAT NEXT ?
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Re: what axle do i have
GU6 is the 3.42 rear. That is the larger carrier, so you can use bigger gears if you wish without changing it.Originally posted by bigtow
my 93 formula has a glove box sticker with a code of gu60 i think .can i change the the gears in this axle as i have read that some axles have differant crown wheels and you can not get gear sets for them or am i getting confusedTracy
2002 C5 M6 Convertible
1994 Z28 M6 Convertible
Current Mods:
SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids
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Check your build tag again... I have never seen a "GU60" code.... they are all 3-digit as far as I know. And there was never a GU6 used in the 1993...... rear axle codes:
M6 with 3.36 1st gear (M28) came with 2.73 gears (GU2)
M6 with 2.97 1st gear (M29) came with 3.23 gears (GU5)
A4 with "standard" axle came with 2.73 gears (GU2)
A4 with "performance" axle came with 3.23 gears (GU5)
The problem with swapping gears relates to the size of the "carrier"..... the center part of the differential that holds the ring gear, and includes the spider gears and limited slip mechanism.
The 2.73's were installed in a "2-series" carrier. The 3.23's were installed in a "3-series" carrier. You must buy gears made specifically for the "series" carrier in your car. It relates to the space available between the ring gear mounting surface and the pinion shaft centerline.
Before you can change gears, you really need to know exactly which trans you have and exactly which gears the car came from the factory with. The "rules of thumb"..... 4.10's for an M6.... do not apply to 1993 M6's. You would have way too much gear with 4.10's in a 1993 with the M28 M6.
Which trans do you have?
Which RPO code do you have for your gears?
What is your goal for upgrading gears?Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motorComment
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gears
i will check the code my car has a auto trany. after having a go at drag racing the other week i want to improve my times at the striphttp://www.pontiacdriversclub.co.uk/ keeping it pontiac in the the uk. 93 formula a4 ZR1 rims
C A I , B M R torque arm lower arms panhard rod and sub frame conectors borla adjustble with Q T P valve and no cat WHAT NEXT ?
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opps
sorry my code is gu5 does this helphttp://www.pontiacdriversclub.co.uk/ keeping it pontiac in the the uk. 93 formula a4 ZR1 rims
C A I , B M R torque arm lower arms panhard rod and sub frame conectors borla adjustble with Q T P valve and no cat WHAT NEXT ?
big burn out movie nats 2003 burn out contest
mirror burn out movie top ten burn outsComment
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so how many splines is it, if i have the gu5 code?2006 GTO Impulse Blue Metallic, Blue Leather Interior
Traded in: 1998 Z28
http://www.cardomain.com/id/hotwhip9Comment
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GU5 is the 3.23 gears. They are in a 3-series carrier. That carrier accepts gears of 3.23 and higher (numerical). You could get 3.73's or 4.10's for that carrier. But which transmission do you have - A4 or M6?
The number of axle splines doesn't change with the gear ratio. I'm pretty sure all the 4th Gen 10-bolt stock setups are 28-spline.Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motorComment
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auto
does a4 stamd for auto if so i have a 4l60 not electroinc in to which i am having a compertsion shift kit fittedhttp://www.pontiacdriversclub.co.uk/ keeping it pontiac in the the uk. 93 formula a4 ZR1 rims
C A I , B M R torque arm lower arms panhard rod and sub frame conectors borla adjustble with Q T P valve and no cat WHAT NEXT ?
big burn out movie nats 2003 burn out contest
mirror burn out movie top ten burn outsComment
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Yes.... "A4" = 4-speed automatic. 4L60 in the 1993. 4L60E in the 94 and newer models.Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motorComment
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