spring rates, front leaf springs
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Joined: Aug 2001
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From: Winthrop Harbor, IL
spring rates, front leaf springs
Hi all,
Just converted my 93 F250 from TTB to D60. I used the F250 leaf pack, and a Rough Country AAL. It rides as bad as you can imagine. I get the "death wobble" (death dribble, more like it) when one side hits a good bump around 30 mph or so. I did some math and figured out the F250 leaves actually have about 35% more spring rate than an F350 would, due to the TTB geometry. But i see that most aftermarket suspensions list the same spring p/n for both 250's and 350's. What gives? I ALSO found out that a 4300# front spring for a 95 F350 (guy said his door code reads "S4F") is obsolete at Ford. The local guy told me he can whip up a set for $530. Yikes!! I just want a safe, durable spring for my truck. 460, E4OD, reg cab.
Any thoughts??
Thanks,
Pete
Just converted my 93 F250 from TTB to D60. I used the F250 leaf pack, and a Rough Country AAL. It rides as bad as you can imagine. I get the "death wobble" (death dribble, more like it) when one side hits a good bump around 30 mph or so. I did some math and figured out the F250 leaves actually have about 35% more spring rate than an F350 would, due to the TTB geometry. But i see that most aftermarket suspensions list the same spring p/n for both 250's and 350's. What gives? I ALSO found out that a 4300# front spring for a 95 F350 (guy said his door code reads "S4F") is obsolete at Ford. The local guy told me he can whip up a set for $530. Yikes!! I just want a safe, durable spring for my truck. 460, E4OD, reg cab.
Any thoughts??
Thanks,
Pete
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