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Dropping the rear in

Forum: C3 Engines, Driveline and Handling

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Dropping the rear in

Posted: 4/25/10 3:06pmMessage 1 of 6
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Ok on my 81 I am dropping the rear to fix some leaks. I have the shocks off and the leaf spring is down. How do I get the lower shock mount out of the strut rod? Or do I drop the strut rod assembly first? Will it hurt anything if I have the trailing arms just hagging there?
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Dropping the rear in

Posted: 4/25/10 5:56pmMessage 2 of 6
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Elkhart, IN - USA
Joined: 10/7/2007
Posts: 209
Vette(s): 1975 Red T-Top 1972 Red Convertible
You will have to drive it out. Get a shock mount remover tool ( can get from most corvette parts houses ) it will save the shock mount.
You can drop the struts from the diff bracket. The trailing arm will be OK to let hang. It will have to be aligned.
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Dropping the rear in

Posted: 4/26/10 9:17amMessage 3 of 6
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1034
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
Remember that if you break the ear off the spindle support, you are in for a difficult and expensive repair.  Sometimes it is worth destroying the shock mount to save the rest.  The strut rod bushings and/or shock mount are pretty easy to replace.

Larry
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Dropping the rear in

Posted: 4/26/10 4:52pmMessage 4 of 6
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Ok got the shock mount on both sides all is good till this. Then I started on the universal joint bolts got three out but I think I strip one. I am using a 5/16 wrench but I don't think that is the right tool for the job? Then I went to there other side same thing the wrench seems to slip. Am I using the wrong tool?
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Dropping the rear in

Posted: 4/27/10 8:51amMessage 5 of 6
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Former Member
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1034
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
We carry the socket for those.  It is a 1/4" 12 point socket.  But I don't have a bolt to try it on.

Larry
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Dropping the rear in

Posted: 4/27/10 5:45pmMessage 6 of 6
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Here is a update. I did strip one bolt on the universal joint but was able to undo the shaft on the wheel side. I will deal with that when the rear is drop. So both half shafts are off the rear.  On to the drive shaft. One thing is clear I will have to rise the car higher. Not sure on how to tackle the drive shaft. It looks like there is no room to work with. So I will figure it out. Jimmy I will give you call on a update.
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