help me, anyone that has a 1973-87 chevy lifted 6+ - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 04-30-2002, 06:00 PM
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help me, anyone that has a 1973-87 chevy lifted 6+

hey guys, a few of you know that i will be lifting a 1973 chevy 8" with a superlift system. i know i will be using the 14ff rear and dana 60 front. my only real question now is, i have heard that you need longer driveshafts (not a surprise), but where would you get the longer shafts?
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post #2 of (permalink) Old 04-30-2002, 06:18 PM
 
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

Any driveshaft shop should be able to handle it.

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post #3 of (permalink) Old 05-01-2002, 06:08 AM
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

just remember to measure from center of the u joint at the rear of the transfer to the center of the u joint at the rears. Have had good luck my local shop in hagerstown. just about any competent shop will do the job you need.
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post #4 of (permalink) Old 05-01-2002, 03:03 PM
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

Long box or short box?

I used to have a 1986 Short box. I put on a 6" lift on it and did not to do anything to either driveshaft. I just had the slip yoke on the rear (NP208) out about 1" from stock. But, still had plenty of spline contact inside the T-case.

But, with going 8" at least count on lenghting one or both of your d-shafts.

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post #5 of (permalink) Old 05-01-2002, 06:02 PM
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

ok, i am a long way off from getting the lift,

need to spent about 5g's on dana 60 and wheels/tires, steering blocks...

but thanx for the help. (trying to get all the info now)
post #6 of (permalink) Old 05-02-2002, 09:22 AM
 
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

it kind of depends what you started with.... my friend had a blazer with a 4" lift and 205 t-case with 3/4 ton axles, when he upgraded to 1 tons and a 8" lift, he did not need a new front drive shaft because the pinion sticks out farther on the 60 than the 44. so all he needed was a longer rear. also on the front, to get the full range of the shaft at the u-joints, he had to grind down the stops on the outside to give it a bit more angle....
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post #7 of (permalink) Old 05-02-2002, 03:12 PM
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Re: help me, anyone that has a 1973-87 chevy lifted 6+

Going from "stock" to a 4" lift on my 1984 K20, I had to lengthen both front and rear shafts. Then again, my truck was pretty much held together with bubble gum and Scotch tape when I got it from when the previous owner did a half-azz tranny swap from a manual to an auto.
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