Re: 1971 K20 Gearing Query
I'm pretty sure 4.56 or 4.10 were the only choices of gear ratio from the factory. It doesn't mean that someone didn't install something else.
I agree with the Doc, an overdrive transmission is going to help.
It's easier, on a 4WD, to move the engine forward to accommodate the longer transmission than to push the transfer case backwards.
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My Classics:
'72 K20 Suburban + '65 Dodge Town Wagon
'72 Corvette Roadster +'67 Corvette Roadster
'73 Z-28 Camaro
'63 Ford SWB Uni Pickup
'50 Ford Coupe
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