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Username Post: 1963 Impala SS conv 409 - correct springs        (Topic#364945)
Posts: 1

Reg: 07-17-19
04-19-21 01:04 AM - Post#2818328    

Hi there

What is the MOOG correct springs for a 1963 Impala SS conv with 409 ?



"7th Year" Silver Supporting Member
Posts: 1625
Loc: No. Virginia
Reg: 01-18-13
04-19-21 05:25 AM - Post#2818340    
    In response to bang1968

Moog 658a front; 6033 rear.

The 6041 (station wagon spring) in the rear will raise the rear up about 2-3 inches.


"10th Year" Gold Supporting Member
Posts: 1900
Loc: Agawam,MA
Reg: 09-17-09
04-19-21 01:09 PM - Post#2818365    
    In response to japete92

From Pete's other post.

It depends on the spring rate and load.

moog 6000 has free height of 18.58" with 305 lbs per inch rate and a 2063 lbs load rating.

moog 6004 is 18.78"; 325 lbs per inch; 2264 lbs.

moog 658a is 16.89"; 404 lbs per inch; 2052 lbs.

All three have installed height of 11.81"

There may be more alternatives.

I used moog as an example.


Edited by turbo38s10 on 04-19-21 01:10 PM. Reason for edit: No reason given.

Silver Supporting Member
Posts: 7523
Loc: Nova Scotia, Canada
Reg: 08-21-01
04-19-21 01:30 PM - Post#2818367    
    In response to turbo38s10

6004’s are good moogs for a stock height, I’m currently installing a set on my 63. I had a set on my 62 and liked them.

63 Pontiac Parisienne Sport Coupe(CDN Chev mechanically (409, 4 speed),62 Bel Air SC (sold), 59 El Camino (sold), 62 Bel Air SC(sold), 63 SWC Vette (sold),
Member #2194


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