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Old 10-09-2002, 10:03 AM
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72 Chevy Cheyenne
 
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Post Rear End Gear question

I have 4:10 Dana 60 in my 72 3/4 ton Long Bed, would I gain/loose speed/power if I changed to 3:73 Here is my set up:

350 Built/TH350 Auto
.060 bore forged pistons
Victor Jr Intake/Rochester 700 Q-Jet
Crower 520 lift Cam
Pertronix set up
3000 Stall

[ October 09, 2002: Message edited by: dion ]</p>

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Old 10-09-2002, 10:15 AM
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Race it, Don't rice it!
 
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Anytime gears are changed in the rear end top speed will increase or decrease depending on the change made. Lowering the gears will Pin you to seat a little harder however the sacrifice comes in the form of fuel mileage and increased wear on the engine from higher RPMS. My .02 says if these are not a concern than stick with the 4:10. They will aid in traction for your truck light rear. However the 3:73 will be better siuted for street use.
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Old 10-09-2002, 08:30 PM
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I agree with homeboy,
switching over to 373's is a good choice,
You will save on gas, it less stressful on your drivetrain, and your performance will still be admirable.
man I wish I had a Dana 60 for our buildup, They can handle nearly 700 hp.
but I think our good o'le 12 bolt will do the job.
We've got 2 1972 shorties under development, one with a near stock powertrain, and one with a 402 out of a custom camper special (L-47) that has been gone through to produce nearly 400 street friendly ponies. We've got 373 12 bolt posies for both trucks. If you have a line on a mint or close to mint cab for one of them I would be greatly appreciative. Ckeith22@yahoo.com <img src="graemlins/pimp.gif" border="0" alt="[pimp]" />
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