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Old 10-05-2017, 12:56 AM   #11
87Skier
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Join Date: Mar 2014
Location: Corvallis, OR
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Re: Advice Needed on Diff Re-Gear/Tranny Swap Dilemma

You could run a gear vendors overdrive unit. Cost about $3k though.

Don't remember what the gear ratio would be, but a 0.75 overdrive would drop your rpm by 550-600 at 55 mph.
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1989 Chevy Suburban V2500 350/Turbo 400/4.11 gears
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