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Call Alex at Money Maker Racing, he is a dealer for Flex-A-Form. Not sure if they are the same company as Flex Form but he will be able to tell you. Flex-A-Forms will run you about $400.
 

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Ditto on the above link. I also had this link bookmarked last year but the domain no longer exists

http://www.flex-a-form.com/

There are some guys on mustangsteve.com that have used these springs if you wanted to post a question. I was going to post the mustangsteve archived thread about this but its expired now
 

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Never owned a set....let me say that first thing.
Have heard plenty about them. As many positive comments
as negative.
Seems like the pricing was in the mid 400's for a pair.
Most of the positive comments are that the factory used them
in some applications and they survived just as well as steel springs
but with a much better ride.
The negative comments were mainly related to failures due to
fractures caused by improper installation and failure or fracture
again at the eyelet locations due to side-loads or twisting of the
spring due to side loads from cornering. The factory fiberglass
springs combat this through compliant rubber bushings and either
a panhard bar or watts link.

I won't use glass springs. To me they are a solution looking for
a problem.
There's been quite a bit written about this FAF on this forum
and corner-carvers.....

ex-Global West GM
1991-1994
 

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Discussion Starter #5
Thanks for the input GT289. My concern with what I see on the market is that stiff bushing, I am pondering a watts link (Fays) and I would like the springs but with a more compliant bushing. From what I have seen that hard bushing is not really going to work for me.
 

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You're welcome.
I'm one of those guys that started out back in the early 80's
going with the "tried and true" 620's, 200# Maier leafs, Konis
front and rear, etc......what a disappointment. And all of that
stuff went into the dumpster.
My quest for correct suspension answers after that fiasco led
to a career in the automotive aftermarket.
I won't steer you wrong (no pun intended).
 

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Discussion Starter #7
So far the only thing I can find that I may like is the mid-eye 4 1/2 leaf from Opentracker. I dont know how stiff I want it to be, I am pondering a rear seat delete, all of that associated stuff is kinda heavy so I dont want to over spring the back half.
 

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150#/in is the hot ticket in a 65/66 afa a steel leaf spring goes.
Whatever that converts to in a fiberglass spring....
 
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