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Lifted 1982 Chevy driveshaft/ pinion angle problems...
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Posted: 01/31/12
01:22 AM
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ok im new to this forum thing so bare with me, but i have a serious issue with this 82 chevy silverado, first thing is that im not sure how much lift it has but a buddy said it looked like a 4 or 6 all suspension, next thing it has a 208 tcase and when i brought it home and put it on the lift to further inspect what i had, i found that the front driveshaft constant velocity joint stuff was cut out and filled full of sylicone, in shock i decided to take it to my local driveshaft company and have it fixed, once the guy looked at it he said he will fix it but he didnt think it would work but said to just make sure that it drops down past the pinion and to make sure it doesnt bind up in that position so that when i bolt it up it wont rebreak. Once i put the driveshaft up to the tcase it was angled out right at the pinion so now im lost other than leaf spring shims to readjust the pinion agle but was curious if there is something els that could cause this as the idiots who built the truck were deff not good mechanics.
Read more: http://forums.fourwheeler.com/70/9017356/4x4-tech/lifted-1982-chevy-front-driveshaft-pinion-angle-pr/index.html#ixzz1l1QidYQg
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Posted: 01/31/12
04:11 AM
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The good news is you have a couple options. The bad news is you probably won't like any of them. They can be costly.
Option one: lower the suspension. It sounds like you may have six or more inches of lift. Taking it down to four will give you better driveline angles.
Option two: leave it at the current height and upgrade the driveshaft to a high-angle 1350 CV-style driveshaft and yokes from Tom Wood's Custom Driveshafts.
Option three: Replace the CV-style driveshaft and upper yoke only with a standard yoke and grind it out for clearance. You will find this easier if you also upgrade to a 1330 or 1410 sized U-joint. Your truck likely has 1310s on it now.
You will likely not be able to use shims since this will alter your steering caster negatively. But you may be able to milk a few degrees out of it depending on the suspension. You should have at least 4-6 degrees of positive caster.
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John Cappa
Editor
Four Wheeler
john.cappa@fourwheeler.com
www.facebook.com/fourwheelermag
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