1969 American/Jav/AMX Spring rates
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1969 American/Jav/AMX Spring rates



I included Javelin and AMX rates just in case you want to mix and match springs. As far as I know the SC/Rambler used the optional heavy spring rates, which were the same for the AMX. Javelin V-8 heavy springs were a bit stiffer. Since the 4.0L is a little lighter than an old 232, at least 40 pouinds lighter, I'd try the light (standard) V-8 wagon springs, or V-8 wagon W/AC at the most. I think over 100#/inch would be a bit on the stiff side, and it may sit a little higher since you should have no more than 800# on each spring. Shorten to about 9.75" to retain stock height, or maybe 9.50" (assuming all other stock specs, like loaded hgt. weight). 

1969 American Front Spring Rates
Engine  Body                  Spring  Wire Dia. Loaded Hgt. Rate Loaded
Six     W/O AC, All, Light    LEFT     0.471"   9.84"@830#   80#/inch
                              RIGHT    0.471"   9.84"@800#   80#/inch
        All Models, Heavy     L&R      0.505"   9.84"@850#   100#/inch
        All Models W/AC       L&R      0.496"   9.84"@850#   93#/inch

V-8     Sedan/HT, Light       LEFT     0.496"   9.84"@850#   93#/inch
                              RIGHT    0.496"   9.84"@890#   93#/inch
        Wagon, Light          L&R      0.496"   9.84"@890#   93#/inch
        All Models, Heavy     L&R      0.513"   9.84"@935#   115#/inch
        Sedan/HT W/AC         LEFT     0.496"   9.84"@890#   93#/inch
                              RIGHT    0.513"   9.84"@935#   115#/inch
        Wagon W/AC            L&R      0.505"   9.84"@935#   100#/inch

1969 Javelin Front Spring Rates
Six     W/O AC, Light         LEFT     0.496"   9.84"@850#   93#/inch
                              RIGHT    0.496"   9.84"@800#   83#/inch
        W/O AC, Heavy         L&R      0.505"   9.84"@850#   100#/inch
        W/AC                  LEFT     0.496"   9.84"@890#   93#/inch
                              RIGHT    0.496"   9.84"@850#   93#/inch

V-8     W/O AC, Light         L&R      0.505"   9.84"@975#   100#/inch
        W/O AC, Heavy         L&R      0.513"   9.84"@975#   115#/inch
        W/AC                  L&R      0.513"   9.84"@1010#  115#/inch

1969 AMX Front Spring Rates
V-8     W/O AC, Light         L&R      0.505"   9.84"@850#   100#/inch
        W/O AC, Heavy         L&R      0.513"   9.84"@935#   115#/inch
        W/AC                  L&R      0.513"   9.84"@1010#  115#/inch

--
Frank Swygert
Publisher, "American Independent 
Magazine" (AIM)
For all AMC enthusiasts
http://farna.home.att.net/AIM.html
(free download available!)
			

 -------------- Original message ----------------------
From: "Mark Price" <Mark.Price@xxxxxxxxxxxx>
> Frank,
>  If you can check the 69 TSM for spring rates I would appreciate it.
> I have a 67 American TSM and will look at it as soon as I get some free
> time.
>  Thanks,
> Mark








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