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-   -   c4 rear suspensions (http://www.hotrodders.com/forum/c4-rear-suspensions-227647.html)

39 Packard 12-28-2012 06:50 AM

c4 rear suspensions
 
I'm new here I'm installing a c4 suspension in my 39 Packard coupe I'm looking for the angle to install the trailing arms at i set it up so tie rods were level.

timothale 12-28-2012 07:05 AM

search time
 
some one had a lot of pict of their vette swap. try google.

39 Packard 12-28-2012 07:11 AM

I saw some place that somebody said about 30% downward but i don't understand what they ment by that thanks for the reply:)

aosborn 01-01-2013 08:47 PM

According to what I came up with in some of my old installation notes, the rear lower trailing arm is supposed to be 3 degrees down toward the front at ride height. While I believe that is true for a stock setup, in my latest install I raised the frame side of the trailing arm mount so that the lower rear trailing arm is about 3 degrees up toward the front in an effort to reduce some acceleration squat in the rear suspension. The results of the change are inconclusive as I haven't finished dialing in the rear suspension just yet. Not sure where the 30 degrees comes in that you read about, but it could be refering to the angle of the upper trailing arm link at ride height.

Andy

39 Packard 01-03-2013 07:39 PM

Thanks for the info

cook67 03-07-2013 04:13 AM

Quote:

Originally Posted by 39 Packard (Post 1630322)
Thanks for the info

were are you located ? I have a jig made up to set up c4 rears

39 Packard 03-07-2013 08:44 AM

Im in Wisconsin i have it all welded in thanks for the offer


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