C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1996 front lowering....

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Old Apr 19, 2008 | 12:30 PM
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Default 1996 front lowering....

I'm in the process of lowering my front end. A couple of stumbling blocks though. The rubber was either broke or I broke it on the left lower ball joint. I had to take the lower control arm off anyway to get the spring out so no problem. Until.......I have no idea how they got that rear bolt in for the control arm unless they put it in before the diagonal brace for the engine mount. Which is probably the case. So, do I just cut the bolt and replace it? And install it from the opposite direction. Anything wrong with this?
Mike
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Old Apr 19, 2008 | 12:58 PM
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That SOB is hard to remove. You have to use a lot of persuasion. Take all other screws out and start to rotate the LCA in circles and pull-pull-pull. It wll come out. To install just put the screw backwards, torque and go on!

What else are you installing? How r u planning on lowering your 96? VBP or lowering kit?
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Old Apr 19, 2008 | 01:00 PM
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Originally Posted by PLRX
That SOB is hard to remove. You have to use a lot of persuasion. Take all other screws out and start to rotate the LCA in circles and pull-pull-pull. It wll come out. To install just put the screw backwards, torque and go on!

What else are you installing? How r u planning on lowering your 96? VBP or lowering kit?
I don't see how! It's hitting that brace and still has at least an inch to go. Lowering kit
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Old Apr 19, 2008 | 01:02 PM
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I was going to cut it but it has a shoulder on it. I'd never find a replacement.
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Old Apr 19, 2008 | 01:19 PM
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Got it. Thanks for the encouragement PLRX! What a SOB!
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Old Apr 19, 2008 | 02:38 PM
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I am putting it all back together today. The brace that is in the way of the LCA bolts comes out pretty easy. I removed the bolts forward, loosened the side bolts, lifted the engine a tad, and removed engine mount nuts. Then the braces can be pulled down enough to get LCA bolts out.
Please show if you put the aluminum spacer above Urethane wedges (if you bought the lowering kit) or not, and exactly how much you cut the aluminum lower U shaped brackets.
Here are some sites I used as reference in lowering. All years will produce different results as GM throughtout the years kept raising the Vette higher and higher.
http://webpages.charter.net/khasting.../lowering.html
http://www.digitalcorvettes.com/foru...ad.php?t=79763
http://forums.corvetteforum.com/show...ctures+lowered
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Old Apr 19, 2008 | 02:59 PM
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Originally Posted by steve40th
I am putting it all back together today. The brace that is in the way of the LCA bolts comes out pretty easy. I removed the bolts forward, loosened the side bolts, lifted the engine a tad, and removed engine mount nuts. Then the braces can be pulled down enough to get LCA bolts out.
Please show if you put the aluminum spacer above Urethane wedges (if you bought the lowering kit) or not, and exactly how much you cut the aluminum lower U shaped brackets.
Here are some sites I used as reference in lowering. All years will produce different results as GM throughtout the years kept raising the Vette higher and higher.
http://webpages.charter.net/khasting.../lowering.html
http://www.digitalcorvettes.com/foru...ad.php?t=79763
http://forums.corvetteforum.com/show...ctures+lowered
I think I'm putting the shims back in. The directions say leave them out though. But if you do that it means the wedges will be rubbing on the frame work and not the shim. The brackets will be cut off 1/2". That is the difference of the stock wedges and the ones in the kit. I'm going to use contact cement for the glue. Seems a little faster. It's a Mid America kit.
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Old Apr 19, 2008 | 04:09 PM
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Yep, I am in the process if it now, and as I out the spring in the shims are needed on my Vette. The spring hits without the shims, and I havent even tightened the clamps. Sux.
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Old Apr 19, 2008 | 05:03 PM
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Maybe you cut your brackets to short. I only cut 1/2" off. I hope mine isn't.....I left the shims out to. Guees I better go look.
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Old Apr 19, 2008 | 05:41 PM
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Originally Posted by steve40th
Yep, I am in the process if it now, and as I out the spring in the shims are needed on my Vette. The spring hits without the shims, and I havent even tightened the clamps. Sux.
I think it will. When the weight of the car gets on the spring it should flex off the frame and let it ride on the new spacers. My spring had a few little scratches on it where it had rubbed before. I can't seem to get the brackets tight enough though. That's making me wonder if the shims need to be in. I think I'm out of threads on the bolts. These kits should be made car specific and not cover so many years. You're right....it SUX!
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Old Apr 19, 2008 | 05:42 PM
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Originally Posted by Wev's vet
Maybe you cut your brackets to short. I only cut 1/2" off. I hope mine isn't.....I left the shims out to. Guees I better go look.
I actually just put the spring with the glued on wedges and pushed it up, and it was slightly touching the crossmember. So when the wedges shrink a little the spring will rub. The aluminum u bracket is barely cut, and will snug it up.
I also put 1/4 in delrin pads on the end of the springs, as my new ones didnt have any(the originals were 5/8 inch ), where they touch the control arms. So it will be lower than what I had, which was a good bit.
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Old Apr 19, 2008 | 05:48 PM
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I'm not looking for that low. 1/2 to 3/4 from stock will be plenty for me.
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Old Apr 19, 2008 | 06:05 PM
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Originally Posted by Wev's vet
Maybe you cut your brackets to short. I only cut 1/2" off. I hope mine isn't.....I left the shims out to. Guees I better go look.
Can you measure exactly what you cut off?
Also, Use spacers/washers to compensate for the cutting of the bracket.
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Old Apr 19, 2008 | 06:40 PM
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Originally Posted by steve40th
Can you measure exactly what you cut off?
Also, Use spacers/washers to compensate for the cutting of the bracket.
I cut 1/2" off. No spacers. But.....I had to put what I cut off on the bottom of the bolt to have enough threads to tighten. I feel like I've done something wrong. I followed those instructions to a T. Like I said, these things should be car specific. I don't have a spring protector on mine. Stuff lke that. Yet it says I do in the years covered. It's sitting overnight to let the glue cure out. This was a Bitch!
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Old Apr 19, 2008 | 07:03 PM
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I am going to search some key questions. If you cut a half inch off, does it compress the rubber on the bottom of the spring, and secure the wedges up against the aluminum spacer. And should the Aluminum bracket you cut go flush with the aluminum spacer on top of the wedge so when you tighten it, are the bolts getting properly torqued.
Mine had a gap between the aluminum bracket and the flat spacer on the wedges and as I was tightening the thing it snapped, so I am pissed.
I guess who ever originally lowered the Vette, they had cut the bracket too short.
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Old Apr 19, 2008 | 07:13 PM
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Steve, Here is the link to the kit I have. The instructions are in a PDF file at the bottom left.You see what you think.

http://www.mamotorworks.com/corvette?frame=3.1088
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Old Apr 19, 2008 | 08:27 PM
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If it helps any, the brackets measure 2" from the bottom to where I cut it.
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Old Apr 19, 2008 | 08:39 PM
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Originally Posted by Wev's vet
If it helps any, the brackets measure 2" from the bottom to where I cut it.
Thats exactly where mine is? Why the hell did it break?
I think the bracket is supposed to touch the aluminum spacer. I had a pretty good gap in there.
I used the wedges, spacer and bracket cut to 2 inches exactly.
Damn this sux.
Do you have any pictures of the install? is it all put back together?
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Old Apr 19, 2008 | 08:45 PM
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Sorry no pics. Figured there were enough on here of this procedure. It's pretty much back together. I'm giving the glue overnight to set up. Besides, I'm beat!
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Old Apr 19, 2008 | 09:07 PM
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Originally Posted by Wev's vet
Sorry no pics. Figured there were enough on here of this procedure. It's pretty much back together. I'm giving the glue overnight to set up. Besides, I'm beat!
No problem. Did your bracket touch the aluminum spacer when tightned?
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