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Old 08-10-2003, 10:02 AM
adtkart@aol.com
 
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determining right dropped axle

I am building a 26 T Touring with full fenders and want to use a dropped axle. I want the radiator and tires in the right location. That means that the spring needs to be "over axle" instead of behind, as is popular. Can someone tell me approx how far down the axle will normally be from the frame. I am trying to determine how much drop in the axle I want to get the right stance. Don't want to have to buy an axle more than once, or ship one back.

Any one know this stuff?
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Old 08-10-2003, 11:27 AM
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Drop is determined by thickness and arch of the spring(under load), type of axle mounting of the spring, tire and brake size, position and type of frame mount for the spring, once you figure this all out you will probably order a 5-6" drop, just about rite for the "T" buckets i've built.
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Old 08-10-2003, 01:43 PM
adtkart@aol.com
 
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Axle suggetsions

Bob... I am using a Ford 289/ C-4 with full fenders. The frame is 2x3 tubing with a Model A type crossmember that drops the car 2" from stock. Any suggestions on the spring and axle. Speedway sells a spring/axle set-up set, but I am wondering how much it is going to drop it, as they are set-up for spring behind. Other than the full fenders, the Touring should not be much heavier than the T-bucket.
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Old 08-11-2003, 07:41 PM
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You will want to run a 4" axle in your application. If you wish to go any lower, you are going to have to get creative in your frame design, spring setup, etc.

Runny any more than 4" of axle drop with 15" front tires gets your suspension below the "scrub line". In other words, if you have a flat/blowout, the first thing to hit the ground woud be the bottome of your perch bolt......not your wheel/rim. This is actually illegal in a few states(Cali), not to mention slighlty dangerous(as your perch bolt gouges into the asphalt you do a donut in 4 lane traffic @ 70mph).

Your T-model should be plenty low with a model a crossmember, a good reversed eye spring from CE or Posies(maybe even a Durant Mono?), a 4" axle, and a smartly short front tire. You can also run a flat front crossmemeber and C-notch the chassis on either side where the spring exits for clearance.

So many options....that is what makes if fun I guess...haha

Good Luck.
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Old 08-12-2003, 05:48 PM
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Speedy..... Thanks so much for the info. I am not really interested in being in the weeds, specially after a blowout....LOL. I just don't want it to sit high and look funny. Also don't want to have to try to deal with sending something like that back to try a different one. I figured someone here has dealt with this before.
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