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</td> </tr> </tbody></table>I have read an old post about disc brake swap that mentioned the front coil springs from a 70's donor truck will not fit on the 66? Why won't they swap out? I will be doing the same swap in future and had hoped to use the 77 donor springs to support the 460 donor engine wt, instead of the 66 original ones holding up a 352. Any advice appreciated.

DinoT


<table border="0" cellpadding="0" cellspacing="6" width="100%"><tbody><tr><td class="alt2"></td> <td nowrap="nowrap"> ddavidv
Posting Guru
Garage is empty, add now </td> <td width="100%"> </td> <td nowrap="nowrap" valign="top"> Join Date: Jan 2002
Location: Elizabethtown, PA
Posts: 1,774



</td> </tr> </tbody></table> I swapped 79 spindles onto my 65 with no issues.

Ride height remains the same if you use the 60s springs; you HAVE to, as the later ones won't work.
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'65 LB Custom Cab 352 3 spd.

 

Look at the Summit website. They list one coil spring for all twin I-beam.

 

DinoT, My 66 is running the 76 coils that were attached when I made the I-beam upgrade. So they very much will fit.



John

 

thanks for the info guys, maybe I did not understand the original post. Trying to bone up on as much as I can before I can get to the teardown.

DinoT

 

I plan on using a 76 front end with disc brakes on my 66 done the measurements and all looks good for a simple unbolt and bolt right in with the 76 springs

 

Well, they didn't work for me (I wrote the article he's probably referring to). Neither the springs nor I-beams were a match for what was in my '65; the donor was a '79.

Measure first!

 

That is what I thought you were talking about Ddavidv. Guess I'll find out when I get things apart. Anyone have any input on difference in using older rubber bushings compared to the newer neoprene type? Had a guy tell me to ask around because he said the neoprene ones gave him more vibration and noise and he went back to older rubber style???
DinoT

 

I have the urethane radius arm bushings in mine and haven't experienced any extra vibration or noise. I would suspect his vibration & noise came from another source......