I was thinkin about going down to 3.42 instead of the 3.73. i know it may not give me much a mpg difference but ill take what ever i can get. i have a Strange S-60 with 3.73s, 35 splines and detroit true trac. any ideas? Also does anyone have any probs with this type of rear? I heard there pretty strong. I got a little whine arounf 40-50mph. anyone know how to get tid of it?
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97 ws6 6sp 40k miles 355 cubes strange s 60 rear 373 gears. other stuff! 360rwhp
current
2006 GMC Denali 6.0 AWD!!!! hers -
How much fuel mileage do you think you would gain? What was your mileage before with the stock 3.42's, compared to the 3.73's you have now? When I still had the M6 and switched from 3.42's to 3.73's I don't recall any significant change in mileage. In fact, it seemed to make 6th gear a bit more useable at the highway cruising speeds I was running in my daily commute.
The S60 was plagued with excessive noise when it was first released. I don't know if they have managed to solve the problems over the past couple years. But "whine" is usually a problem with bad gear setup. I think there may have been some posts about the S60 problems on ls1tech.com. Might be worth a search.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 motor
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