Re: 3.73 or 3.42
You don't mention the engine that you have but if you're going to use it mainly for cruising and light towing I'd go with the 3.42.
My 69 had a 350/350 with a 3.08 rear axle and it did fairly well on light towing. On a few occasions I towed over 4K lbs on a 16 foot trailer (flat country mostly) with no problems.
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68 GMC 250/3 speed Saginaw p/b p/s
69 Chevy 350/350 currently in pieces still lookin for a cab
06 Trailblazer
I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive...
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