Print Page - Which U-bolts for adding a sway bar to 8 3/4?

Title: Which U-bolts for adding a sway bar to 8 3/4?
Post by: Skdmark on August 16, 2020, 03:41:06 PM

So, I'm looking to swap out the 7-1/4 rear end for an 8-3/4 rear end in my 71 Barracuda.
As part of the swap, I will be installing HD leaf springs (S13) from Eaton, original rear sway bar support brackets and lower shock brackets.

So what is the correct length OEM U-bolt for this application?

Mancini and Rolik both have the following lengths listed for E-bodies with either 8-3/4 or Dana 60.
6-5/8
7-1/8

TIA - Mark

Title: Re: Which U-bolts for adding a sway bar to 8 3/4?
Post by: anlauto on August 16, 2020, 04:55:17 PM

Should ask @Bill Rolik (https://forum.e-bodies.org/mlist/bill-rolik_6643) :D

Title: Re: Which U-bolts for adding a sway bar to 8 3/4?
Post by: Chryco Psycho on August 16, 2020, 08:59:43 PM

You will have the max thickness using 6-7 leaf springs + the 3" tube of the diff, the rear sway bar adds another 3/16" so my bet would be the longer ones or you can put everything together & measure it .

Title: Re: Which U-bolts for adding a sway bar to 8 3/4?
Post by: anlauto on August 17, 2020, 02:12:27 AM

Do you mean the rear sway bar adds 3/16" ? I can't see the sway bar plate being 3/8" thick ? :huh:

QuoteYou will have the max thickness using 6-7 leaf springs + the 3" tube of the diff, the rear sway bar adds another 3/8" so my bet would be the longer ones or you can put everything together & measure it .

Title: Re: Which U-bolts for adding a sway bar to 8 3/4?
Post by: Chryco Psycho on August 17, 2020, 09:27:14 PM

Yup mistype

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Technical Shop => Engine, Transmission & Rear End => Topic started by: Skdmark on August 16, 2020, 03:41:06 PM