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1970 Chevelle LS6
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----To the next owner, please lower that car......Bill S
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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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Rick Nelson Musclecar Restoration and Design, Inc www.musclecarrestorationanddesign.com https://www.youtube.com/watch?v=62r-6vgk2_8 specializing in (only real) LS6 Chevelle restorations |
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#4
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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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1969 Beaumont 350 Auto White Sold 1969 Beaumont 307 Auto Green Sold 1969 Chevelle SS 396-L35 Auto Blue Sold 1969 Oldsmobile Cutlass 'S' Sports Coupe W31 |
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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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Rick Nelson Musclecar Restoration and Design, Inc www.musclecarrestorationanddesign.com https://www.youtube.com/watch?v=62r-6vgk2_8 specializing in (only real) LS6 Chevelle restorations |
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#6
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What are the springs and #'s you used to get the higher look? First pic is with springs when I got it, second after Elgin installed. Has repro 15" wheels. It is now 27" from the ground to the wheel well lip.
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70 Chevelle SS 454 Cortez Silver LS-5 M-22 3.31 Posi Born With Matching #s Drivetrain Sold New@Baldwin Auto L.I.,N.Y. LS-5 Registry |
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69b5bee (03-18-2021), PeteLeathersac (03-18-2021) |
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A couple of questions...
Did the factory set ride height estimating passenger weight or just the completed car? Does is matter if the springs are placed in the exact same location as they came out of? |
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Out of curiosity only, what do you consider 'accurate ride height'? I'm guessing there is some variation depending on how each car was equipped. Yes I know A/C cars received different springs but how much weight difference would there be in a heavily equipped car vs. a bare-bones version?
FWIW, I just measured my car. Something I found somewhat surprised me, and yet it's understandable. (I recently replaced the upper control arm bushings on the passenger side.) Measured at the axle, floor to bottom of the Wheel Opening Moulding, sitting on stock 50 year old springs and shocks, and on Repro F70-14 tires at 32 psi, here's what I found: LF: 26 3/8" LR: 25 1/4" RF: 26 5/8" RR: 25 1/2" Just wondering how this compares.
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Don't mistake education for intelligence. I worked with educated people. I socialize with intelligent people. Last edited by ORIGLS6; 03-26-2021 at 06:17 PM. |
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mockingbird812 (03-29-2021), PeteLeathersac (03-26-2021), Tenney (03-27-2021), Xplantdad (03-26-2021) |
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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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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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