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Old 03-02-2021, 05:35 PM
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Lee Stewart Lee Stewart is offline
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Arrow 1970 Chevelle LS6



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Old 03-03-2021, 03:05 PM
olredalert olredalert is offline
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----To the next owner, please lower that car......Bill S
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Old 03-03-2021, 04:13 PM
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Originally Posted by olredalert View Post
----To the next owner, please lower that car......Bill S
I would love to know what exact springs people are using to get them to sit correctly. As of late we have had nothing but trouble getting these cars to sit down where people like to see them. I have 4 cars in the shop and all 4 sit at this height. ALL have original assembly line springs in them on all 4 corners. Two of them still had the tags on them when they came in as well as original assembly line shocks but sit high. I have tried several different Moog springs and am now onto trying Eaton springs. We have also done all the math with the vendors to try and resolve it and have a TON of money in both labor and spring cost and have not been able to get them to sit right. Been doing this for 40 plus years and these last 4 cars are killing me.
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Old 03-03-2021, 07:37 PM
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Originally Posted by SS427 View Post
I would love to know what exact springs people are using to get them to sit correctly. As of late we have had nothing but trouble getting these cars to sit down where people like to see them. I have 4 cars in the shop and all 4 sit at this height. ALL have original assembly line springs in them on all 4 corners. Two of them still had the tags on them when they came in as well as original assembly line shocks but sit high. I have tried several different Moog springs and am now onto trying Eaton springs. We have also done all the math with the vendors to try and resolve it and have a TON of money in both labor and spring cost and have not been able to get them to sit right. Been doing this for 40 plus years and these last 4 cars are killing me.


That is very strange.


I had to read your note twice to make sure I understood correctly...….


Did the 4 cars sit nice and low when they arrived unrestored?


My car sat perfectly nice and low when I got it and I reused the original springs an it sits the same now...…… I'm really puzzled Rick, keep me in the loop!!


Control arm bolts tightened when the suspension is up as high as possible? I am not going to have any suggestions for you as I have 1 year of experience and you have 40 :-)


Ryan W.
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Old 03-03-2021, 08:09 PM
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That is very strange. Did the 4 cars sit nice and low when they arrived unrestored?

Control arm bolts tightened when the suspension is up as high as possible? I am not going to have any suggestions for you as I have 1 year of experience and you have 40 :-)
Ryan W.
They all sat a little lower but not by much and still higher than most would like to see. I cannot stress enough, all had original 50 year old worn out coils and two cars had original shocks.

We tighten the suspension when the car is a rolling chassis and no body. We then pull it down while on a 4 post hoist using ratchet straps and take measurements where prescribed in the book and then tighten all the bolts. I have been doing it this way for years. I am really getting frustrated as it is prohibiting me from delivering some of these cars.

I just received my Eaton coils about and hour ago and they are 2" shorter than the other 4 original sets so we shall see where that puts it. If that works then I have to figure out how to lower the fronts the same amount but should be easy using the same formula. Just a pain to have to tear four front ends apart to replace front coils.

The one pictured looks good but is still about 1.5" too high.
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Old 03-04-2021, 05:53 PM
Charley Lillard Charley Lillard is offline
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If you pull the car down with straps and then tighten the bolts doesn't that just put a strain on the bushings as they are trying to return to neutral all the time ?
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Old 03-04-2021, 08:13 PM
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Originally Posted by Charley Lillard View Post
If you pull the car down with straps and then tighten the bolts doesn't that just put a strain on the bushings as they are trying to return to neutral all the time ?
What I believe they are trying to do here is have the bushings at a neutral state/ ride height when tightening.

You are correct they will wear out faster if bound up on install, but with these cars even if they cheat them are they going to see enough miles to even break in?
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Old 03-04-2021, 08:24 PM
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I have been using Hotchkis 2" and 3" drop springs to get a nice ride height. This Judge has a 2"drop spring.
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Old 03-04-2021, 09:50 PM
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Originally Posted by dustinm View Post
What I believe they are trying to do here is have the bushings at a neutral state/ ride height when tightening.

You are correct they will wear out faster if bound up on install, but with these cars even if they cheat them are they going to see enough miles to even break in?
That is correct. Tighten when the chassis is fully assembled with no body but pulled down to it's ride height. When the body is lowered onto the chassis it 'should' settle at its neutral position. Would tightening be better after the car is on the frame? Yes but it is VERY hard to get at the two bolts above the muffler. Also, the factory set the ride height on the chassis before the body was mounted from everything I have read so I am only repeating what was done originally.
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Last edited by SS427; 03-05-2021 at 12:51 PM.
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Old 03-05-2021, 12:37 AM
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I tried 2 other sets of front springs for my Chevelle before trying the set of 2" lowered fronts springs I had sitting on the shelf for 3 years.
Never thought they would be the answer but I think it's pretty close.
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