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Old 04-23-2003, 02:26 PM
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Post Converting coil springs to leaf on a 9"

Hey,

I have a 9" ford that I want to put under my 51 GMC pickup. The donor car is a 79 Thunderbird. It had coil springs in the rearend. Can I just cut all that crap off and use it with my leaf springs?

-Billybob
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Old 04-23-2003, 02:46 PM
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Yes you can. I got the rear for my 48 F1 from an 87 Crown Victoria which had coil spring suspension. Carefully remove all the unwanted tabs and brackets and weld on a set of spring perches and your in buisness.
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Old 04-23-2003, 03:16 PM
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[quote]Originally posted by jwcnj45:
<strong>Yes you can. I got the rear for my 48 F1 from an 87 Crown Victoria which had coil spring suspension. Carefully remove all the unwanted tabs and brackets and weld on a set of spring perches and your in buisness.</strong><hr></blockquote>

I also put a 9" from a mustang it was leaf but I had to start from scratch and put new spring perches and shock mounts to make it work on my 50 F1 Ford pu. the with was the same as the original. Ed ke6bnl

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Old 04-23-2003, 03:28 PM
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If you have a local Rod shop you might check if they have the spring perches, several companies make/sell them. Then you can set the axle on the perches and springs, snug the U-bolts and center the axle, set the pinion angle,tighten the U-bolts,check your alignment, tack the perches and re-check everything, and if good finish.
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Old 04-24-2003, 09:08 AM
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Great!
Got any websites to send me to-to look and buy some perches and mounts? Maybe a kit or something...."They" seem to make a "kit" for every thing these days.

-Billybob
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Old 04-24-2003, 09:09 AM
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Great!
Got any websites to send me to-to look and buy some perches and mounts? Maybe a kit or something...."They" seem to make a "kit" for every thing these days.

-Billybob
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Old 04-24-2003, 09:25 AM
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Although this is mod is pretty simple there are a couple things you must do correctly for this to work.

After you remove all the unwanted mounting hardware you need to loosly mount the rear with the new spring perches on your springs and set the pinion angle BEFORE welding the perches to the rear. If you have any questons about how to do that visit the Inland Empire Drive Line web site http://www.hotrodsandhemis.com
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Old 04-24-2003, 01:49 PM
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Be very conservative on the heat when you weld. You do not want to distort the axle tubes, it will increase bearing wear.
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Old 04-25-2003, 07:56 AM
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Thanks Guys,
-Billybob
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Old 04-25-2003, 04:27 PM
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You could start at Speedway Motors (on line) for spring perches, I don't think there's a "kit" though.
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