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| jimmers | Proper Trim Height | ||
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Senior Guru
 
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I'm in the process of refreshing my 90s suspension. I'm almost ready to put everything together, but keep noticing in my FSM that it states before torquing the bolts to "hold suspension at proper Trim height". The car is on axle stands at the moment. What am I supposed to do?
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Posted on: 2017/4/10 0:02
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| Matatk | Re: Proper Trim Height | ||
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Drop the car down on the wheels and then tighten everything to spec.
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Posted on: 2017/4/10 0:39
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| jimmers | Re: Proper Trim Height | ||
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Senior Guru
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Quote:
Thanks for the reply. For the front I can see that being somewhat easy, but what about the rear? I cant get to most of the bolts with the tire on. |
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Posted on: 2017/4/10 0:42
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| jimmers | Re: Proper Trim Height | ||
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I'm assuming I can put a jack stand under the control arms to substitute the tire? |
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Posted on: 2017/4/10 0:51
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| Matatk | Re: Proper Trim Height | ||
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Which bolts do you need to get to?
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Posted on: 2017/4/10 2:49
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| jimmers | Re: Proper Trim Height | ||
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Senior Guru
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Pretty much all of them. I've replaced all the bushings, shocks, wheel bearings, ball joints and tie rods. |
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Posted on: 2017/4/10 3:14
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| hcbph | Re: Proper Trim Height | ||
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Senior Guru
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I just finished upgrading my rear suspension the other month, but I'm assuming yours was replacing the bushings. Unless you have access to a 4 post lift (which I don't) I used some 7" ramps I have and put the rear wheels on them before doing final tightening. It gave me enough room to get under there, having first removed the rear tire carrier.
A couple of other things I did was first every bolt I could remove and get to I drilled for a cotter key and got some slotted (Castle) nuts (Grade 5 was the best I could find) and cotter keyed them after torqueing to spec. I also got some shims in case I had to do some adjusting to get the hole and nut to line up. Once you get everything done, get a 4 wheel alignment, it made a world of difference on mine. I was very specific in recording various settings before I started and put pieces to those settings when done. Even then the alignment made it run that much better. Attach file:  IM002131.JPG (74.87 KB) |
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Posted on: 2017/4/10 10:43
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| jimmers | Re: Proper Trim Height | ||
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Thanks for the reply. So you kept the front tires on the ground and just raised the rear? Seems easy enough that way. |
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Posted on: 2017/4/10 12:33
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| Matatk | Re: Proper Trim Height | ||
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I'd say as long as the vehicle weight is resting on the suspension you should be ok. You can try setting the tires on some 2x12s that are bolted together to get a little more height under the car, similar to the ramps mentioned.
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Posted on: 2017/4/10 17:56
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| hcbph | Re: Proper Trim Height | ||
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Thanks for the reply. So you kept the front tires on the ground and just raised the rear? Seems easy enough that way.[/quote]
I have some home made ramps made out of 3 2x12's I put under the front tires in addition to the 7" ramps in back at that time. I don't think it would make a difference either way as long as the rears are on something. I was doing several things at the same time, that's the only reason I put anything under the front. Made it a little easier getting under the car. Hope that helps. |
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Posted on: 2017/4/10 21:26
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