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Thread: 3;73
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03-24-2010, 10:37 AM #1
- Join Date
- Mar 2010
- Location
- Ont , Canada
- Posts
- 61
black- 01 Z06
3;73
Ok , found a 3;73 gear for my 99 ws6 , how much stuff will it screw up putting this in ?
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03-24-2010, 11:07 AM #2
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03-24-2010, 01:17 PM #3
- Join Date
- Oct 2007
- Location
- Valrico, Florida
- Posts
- 2
Black- 2001 TA Ws6
I installed a 3.73 in my WS6 [auto] and was off about 6 mph. If you have a Predater Tuner or HP you can reset the speedometer. The 3.73 woke up the car, it's a little hard on the gas mileage. Enjoy!
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03-24-2010, 04:04 PM #4
- Join Date
- Dec 2007
- Location
- SAN FRAN SISCO BABY
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- 36
- Posts
- 836
VW BEETLE W/ FLOWER- 88 CRX
mine was off 10 MPH and gas wasnt a problem except i hate cruising faster
than 60-65
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03-24-2010, 08:10 PM #5
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03-24-2010, 09:40 PM #6
I had 3.23 and switched to 3.73
I have a 98 TA A4. When mine were installed my buddy used HPtuner that he did the original tune on the car with to adjust for the new gear. I haven't noticed the big difference in mileage from factory 3.23 to the motive 3.73. I get average of 20mpg when I go on highway and backroad cruises running between 70 and 85 crusing and a few 50 to 130 rolls. I have LT race headers, ORY, SLP Power Flo catback, LS6 intake w/ P&P throttle body, volant intake, Granatelli MAF, and a aggresive street tune, tranny re-tuned to shift at 6100 rpm.
Best mod for the buck so far.
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03-24-2010, 09:45 PM #7
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03-24-2010, 09:49 PM #8
Last edited by Cutlass; 03-25-2010 at 03:26 AM. Reason: removed non-sponsor direct link
1998 Trans Am 85k miles.
Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
02 Trailblazer -Sold
09 Ram 1500 CC - Sold
09 Cobalt SS/TC - Sold
13 ram 1500 LoneStar CC 4x4 - Magnaflow, K&N,and more to come-DD/Toy
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03-24-2010, 10:00 PM #9
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03-25-2010, 08:47 PM #10
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03-25-2010, 09:00 PM #11
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03-25-2010, 09:16 PM #12
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03-25-2010, 09:18 PM #13
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03-25-2010, 09:20 PM #14
That's good because after mine was installed I noticed a huge difference with power and it felt smoother since the old rear hardware had seen better days.
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03-27-2010, 11:28 AM #15
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04-02-2010, 07:20 PM #16
If you have an A4, you will need your shift points adjusted, for the transmission shifts per RPM (I believe).
I went from 3.23's to 3.73's, and the transmission kept shifting up and down erratically before I had a dyno tune to adjust the shift points, and other problems corrected.
SteveC
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04-02-2010, 09:23 PM #17
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04-07-2010, 04:37 PM #18
Your RPM's will be fine they're dirrectly off the crank shaft to the engine, it's the spedometer and odometer that wil be effected, an after market programer is a simple fix for a few hundred and you can mess with other things as well at your leasure. I'm useing the Garmin GPS as a heads up till I have mine fixed.
I just switched from 3.23 to 3.75's with an A4, I have 80 miles on it and it shifts fine for normal driveing. I'm haveing a local guy do HP tuner, to adjust the gears, delete the rear O2 and EGR... $150 first time, minor work done for free following, $50 an hour to mess with other things.
yes... 3.75 not a type'O
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04-07-2010, 04:55 PM #19
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
3.75?? really?
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04-08-2010, 03:55 AM #20
- Join Date
- Mar 2010
- Location
- Ont , Canada
- Posts
- 61
black- 01 Z06
3:73
3:75 , that's a new one on me to ,
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