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08-17-2001, 11:38 PM
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#1 |
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Registered User
Join Date: Mar 2000
Location: Cheyenne,WY,USA
Posts: 22
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91 S15 axle ratio
Can anyone tell me how to tell what my axle ratio is on my 91 gmc sonoma?
Thanks in advance |
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08-18-2001, 08:17 PM
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#2 |
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Registered User
Join Date: Mar 2001
Location: Medicine Hat, Alberta, Canada
Posts: 1,508
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Easiest way is to lift the rear wheels off the ground. Rotate the driveshaft by hand. Count the number of times the number of times the driveshaft rotates for one revolution of the tires. If it's just over three, then you have 3.08, three and a half is 3.43, three and three quarters is 3.73 and just over four is 4.10
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98 GMC Sierra Ex Cab, cowl hood, Euro LED lights, 30 bar billet, Whipple Supercharged 350 Vortec: Forged flattops, E-Tec aluminum heads, Comp Cam, Scat crank and rods, Granatelli Mass air flow, Headers, Flowmaster exhaust , Complete MSD Ignition, Custom Tuning, intake spacer , ported throttle body, AC Delco port injection upgrade, Roller Rockers, Power Pulleys. Gear Vendors Overdrive. Soon to hit a dyno. 2/4 drop(for now). 95 Chevy S-10 Ex Cab 4.3 5 Speed 2/3 drop, Euro lights, billet grill, More to come. The Daily Driver |
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08-21-2001, 06:28 AM
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#3 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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If you turn the wheels turn both at the same time or you'll never get the ratio close.
------------------ Gerardo 1983 Custom Truck TX Plates: "BAD BOW" http://www.geocities.com/abetterchemist/ |
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08-22-2001, 03:19 PM
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#4 |
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Registered User
Join Date: Aug 2001
Location: Calgary, Alberta, Canada
Posts: 2
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Hey Brent, look for a label called Service Parts Identification Label, usually in the glovebox. Look for any of these 3 letter, number combinations; GT4: 3.73 Ratio, GU2: 2.73 Ratio, GU4: 3.08 Ratio, GU6: 3.42 Ratio, G80: Rear Axle: Positraction, and H04: 4.11 Ratio
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08-23-2001, 10:59 PM
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#5 |
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Registered User
Join Date: Mar 2000
Location: Cheyenne,WY,USA
Posts: 22
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3.08. Thanks Mudpuppy that was fast and easy!
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Linear Mode
