REAREND SWAP QUESTION
Post Fiend
Joined: Feb 2008
Posts: 5,831
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From: St Albert, Alberta
Should be a straight bolt in you may need to use the lightings U bolt plates as the springs axle pads were wider IIRC.
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Tuned
Joined: Dec 2019
Posts: 262
Likes: 37
From: East Tennessee
Thanks for your response Matt. I’ve been offered one but didn’t know what all troubles I would run into trying to install it and how many $$$ it’d cost buying stuff for the installation.
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Tuned
Joined: Dec 2019
Posts: 262
Likes: 37
From: East Tennessee
The lightning rear end has the round flange to bolt the drive shaft to. My 86 still has the original yolk so should I take the old yolk off the 86 rear end and put it on the lightning rear end or simply change the flange on the drive shaft to match the lightning flange.
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
The lightning rear end has the round flange to bolt the drive shaft to. My 86 still has the original yolk so should I take the old yolk off the 86 rear end and put it on the lightning rear end or simply change the flange on the drive shaft to match the lightning flange.
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
https://www.summitracing.com/parts/s...SABEgI-GvD_BwE
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Tuned
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From: East Tennessee
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Tuned
Joined: Dec 2019
Posts: 262
Likes: 37
From: East Tennessee
I finally got the time and help to do the swap. Thanks for all your info Matt! All I had to do different was to get the yolk flange to put on the driveshaft to hook up to the Lightning rear differential. Everything else swapped in and out with no problems. I had just rebuilt everything inside both brake drums on the 86 and all that was an exact fit for the Lightning except for the drums themselves. The center hole on the 86 drums was smaller than the Lightning’s.
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
I finally got the time and help to do the swap. Thanks for all your info Matt! All I had to do different was to get the yolk flange to put on the driveshaft to hook up to the Lightning rear differential. Everything else swapped in and out with no problems. I had just rebuilt everything inside both brake drums on the 86 and all that was an exact fit for the Lightning except for the drums themselves. The center hole on the 86 drums was smaller than the Lightning’s.
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