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Old 11-28-2018, 12:23 PM   #18
71CHEVYSHORTBED402
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Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,391
Re: Build front suspension before or after mounting the engine?

Quote:
Originally Posted by KQQL IT View Post
The lower pivot U bolts are 200% easier with the engine out.
Never used a coil spring compressor ever.
Usually get a coil cut while theyre out anyways.
Since you brought it up, question. I'm using 2.5" drop spindles (4" drop leaf spring @ rear) but the coil springs are stock height. Though they've already been powder coated I'm wondering if they should have been cut? Granted, they're probably easier to install if cut, but?

Quote:
Originally Posted by Grumpy old man View Post
The lower shafts should be installed and torqued it's easy to align the shaft with the pin in the front saddle .The upper shaft just needs to be slid on the shafts to keep it from rotating while installing the arms .
Don't forget the u-bolt upgrade to the Dorman 13503 ,Just redrill the saddles to 9/16 . https://www.oreillyauto.com/detail/b.../13503/4527001
I am using 9/16". Same with the U-bolts for the leaf springs. I believe the saddles are 9/16" anyway, it's their alignment with the cross member that can be off a pinch.

The U-bolts slid through 2 of 4 powder coated saddles. They're all snug, which seems to be right.......I'm no expert, perhaps some play is more desirable with vibrations and that. I used a fine rounded file on a hole each for the two, not much to it.
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Tony

71 Custom Deluxe, SWB, 2WD, 402, A/C.

I developed an assembly guide (kit) for restoring this truck from the ground up, complete with details including full hardware descriptions. Much of the info. applies to all 67-72 GM. My build thread, with some info. about the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

Last edited by 71CHEVYSHORTBED402; 11-28-2018 at 12:51 PM.
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