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

1984 front shock mounts

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Old Nov 13, 2006 | 01:30 PM
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Default 1984 front shock mounts

i'm ready to weld the top mounts in place When setting at ride height how far should the shocks be compressed. I have stock shocks.
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Old Nov 13, 2006 | 02:41 PM
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The same position in the suspension travel as the ride height. If the ride height is exactly in the middle of the suspension travel, the shocks are best in the middle of their travel at ride height. In no case should the shocks be the travel limiter.

RACE ON!!!
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Old Nov 13, 2006 | 04:41 PM
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It only took reading your post six times before I figured out what you were saying, CFI, but when I finally did...I found out you are quite correct!!!!


Larry
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Old Nov 13, 2006 | 04:56 PM
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with the spring in place it's difacult to figure out the travel. so can you tell me this. if I have a stock 1984 with stock spring and shocks and the car is sitting on level ground does anyone have a measurement from the top mount to the bottom mount.
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Old Nov 13, 2006 | 05:25 PM
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Originally Posted by CFI-EFI
The same position in the suspension travel as the ride height. If the ride height is exactly in the middle of the suspension travel, the shocks are best in the middle of their travel at ride height. In no case should the shocks be the travel limiter.

RACE ON!!!
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Old Nov 13, 2006 | 06:44 PM
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My spring is in my car, also.

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Old Nov 13, 2006 | 08:22 PM
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Originally Posted by CFI-EFI
The same position in the suspension travel as the ride height. If the ride height is exactly in the middle of the suspension travel, the shocks are best in the middle of their travel at ride height. In no case should the shocks be the travel limiter.

RACE ON!!!
Then how does the front suspension limit its UP/DOWN travel? Where are these stops found?

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Old Nov 13, 2006 | 09:10 PM
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Good question. It has been more than an hour since I've worked on my front suspension. If memory serves, the jounce is controlled by a rubber bumper towards the outer end of the spring. And the rebound by the upper "A" arm hitting the frame. It has been a while. I am not sure of that. Full jounce is 83.0 mm and full rebound is 86.5 mm.

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Old Nov 13, 2006 | 09:41 PM
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are you saying the suspension is close to the middle of its travel when sitting at ride height
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Old Nov 13, 2006 | 11:43 PM
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Originally Posted by CFI-EFI
If memory serves, the jounce is controlled by a rubber bumper towards the outer end of the spring. And the rebound by the upper "A" arm hitting the frame.
If you remove the front spring and fully deflect the control arms you will find that the shock is doing most of this work. Rebound (up) nor jounce (down) stops are contained by control arms hitting the frame without some sort of cushion. The rear uses a rubber bump stop between the frame and knuckle for its up stop. And the spring/shock are the fully extended (down) stop. Likewise for the front's fully entended stop. But if you look closely and do some measuring the front shock is the limiting factor for rebound.
Originally Posted by snowdrifter
are you saying the suspension is close to the middle of its travel when sitting at ride height
That is correct.

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