[DeTomaso] Resetting Ride Height With Stiffer Coils

[Mike Thomas]

Perfect, thanks Ken.  So I need to come .45" down the perch.  I'll start
with that, and go from there.
Mike

  _____  

From: Ken Green [mailto:kenn_green at yahoo.com] 
Sent: Monday, August 23, 2010 5:34 PM
To: Mike Thomas
Subject: Re: [DeTomaso] Resetting Ride Height With Stiffer Coils



Mike,,
 
    I think the stiffer springs will compress less under the weight of the
car, so you need to move the perches lower.  See drawing.
 
ken

--- On Mon, 8/23/10, Mike Thomas <mbefthomas at comcast.net> wrote:



From: Mike Thomas <mbefthomas at comcast.net>
Subject: [DeTomaso] Resetting Ride Height With Stiffer Coils
To: detomaso at realbig.com
Date: Monday, August 23, 2010, 5:10 PM


OK, time for the math wizards to have a head shed . . .

I'm swapping out my front springs from 350 lbs to 450 lbs, and want to
achieve the same ride height.  Since I won't (I assume) get as much spring
compression with the 450's, I'll need to revise the spring perches on my
Aldan shocks.  I'm guessing I'll need to compress them slightly more on the
shock (the collar height up the shock body) since the springs won't drop as
much when I let the car back down and the springs settle in.  My car is
stock up front with the addition of an aluminum radiator, so probably close
to stock weight on the front wheels.

Any thought on how much more to compress, or notes form someone whose been
there, would be helpful.  Pulling and readjusting or trying to adjust the
front on the car are both a much bigger PITA than the rears.  I'd like to
have to do it as few times as possible.

Thanks in advance for your sage advice.

Mike Thomas
Yellow '74 L #6328

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