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driveshaft spacer
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Topic: driveshaft spacer (Read 10688 times)
Grim 82
Senior Member
Posts: 1651
driveshaft spacer
«
on:
November 04, 2010, 09:20:48 am »
I have an extra leaf spring in the front of my 82, and several extra in the back. If I had to guess, I would say I am getting about 2" or so of lift from it. I noticed that I don't have alot of spline contact area in the front driveshaft, and you can grab it in the middle and move it back and forth quite a bit. I could bring it in and have it made longer, but I happened across this spacer by Superlift for our trucks that would be a cheaper fix. Has anybody used one of these?
http://www.superlift.com/accessories/cv-driveshafts-spacers.asp
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Give a man a gun, and he might rob a bank. Give a man a bank, and he might rob the world.
VileZambonie
Global Moderator
Senior Member
Posts: 19180
Re: driveshaft spacer
«
Reply #1 on:
November 04, 2010, 10:12:24 am »
Did you lower the transfercase?
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84 GMC
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86 k20
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Grim 82
Senior Member
Posts: 1651
Re: driveshaft spacer
«
Reply #2 on:
November 04, 2010, 11:02:09 am »
No. Everything is in stock configuration, except that I swapped in the 700r4, np208, and S-curved crossmember from the 88 suburban, but this driveshaft was the same way before the swap. It just has an extra leaf in each of the front packs, and a few extra in the back. I'm guessing that the little bit of lift from the extra leaf is what is creating the added distance. The only other thing I can think of is that it had a 10 bolt front, and I swapped in a Dana 44. Do those axle housings have a different distance from pinion to driveshaft mounting flange? If that is what is causing it then no worries, because it's soon to have a 10 bolt back in it.
Thanks
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Irish_Alley
Tim
Senior Member
Posts: 13333
Family is not an important thing. It's everything.
Re: driveshaft spacer
«
Reply #3 on:
November 04, 2010, 05:20:16 pm »
Its not a extra lift but its slop in the splines. new shaft would fix it. the spacer wont help
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley
When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes
Grim 82
Senior Member
Posts: 1651
Re: driveshaft spacer
«
Reply #4 on:
November 04, 2010, 06:23:02 pm »
What I'm thinking is that since I have a little bit of lift, there is slop in the driveshaft because it's stretched out and there is less contact area for the splines. When the shaft is off and collapsed about 1 1/2" more it's tight. If the spacer makes the shaft not have to stretch so far, it would remove the play in the 2 halves. Does anybody know if the pinion to mounting flange distance is the same between a d44 and a 10-bolt?
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bake74
Senior Member
Posts: 5871
Re: driveshaft spacer
«
Reply #5 on:
November 04, 2010, 10:47:58 pm »
Grim, I have used them on fords, the only thing you have to remember is that is adding the width of the spacer straight back, not helping at all with the angle. So if you are good on angle and only need 1 1/2 " to collapse your driveshaft it will work. I ran it on a ford f150 for years with no problems
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#1: The easiest and most obvious solution to any problem is 99% of the time correct.
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VileZambonie
Global Moderator
Senior Member
Posts: 19180
Re: driveshaft spacer
«
Reply #6 on:
November 04, 2010, 10:51:05 pm »
I agree, slop in the shaft shouldn't be there regardless but reverse the spacers on the crossmember so it drops 1"
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/ _ _ _\_
⌠¯¯¯¯¯' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
Grim 82
Senior Member
Posts: 1651
Re: driveshaft spacer
«
Reply #7 on:
November 04, 2010, 11:01:23 pm »
Thanks guys. The angle isn't extreme, like I said it's stock with only an extra leaf. Right now the crossmember is up against the frame with the spacers above it. I will drop it down with the spacers first and see how that goes, and then get the spacer if there's still play in the splines.
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73-87 Chevy _ GMC Trucks
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driveshaft spacer