Thread: High RPMS
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Old 01-21-2003, 12:22 AM   #5
71GMC_3/4T
Weapons Of Construction
 
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Join Date: Apr 2000
Location: Colorado, USA
Posts: 1,095
Put on a 4 speed shifter knob?

Sorry....

Change the rear axle gear ratio.
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1971 GMC 2500, 402/TH400 4.10 Daily Driver
Lafayette, CO
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