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Old 10-28-2012, 06:47 PM
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straight axle spring location?

I've installed a SPEEDWAY straight kit under my Rambler American. To get the ride height I wanted, I tack welded the AXLE ABOVE THE LEAF SPRINGS. I've been looking at old gasser pictures and haven't found a above spring axle location like this. Am I screwing up or is this a common installation for different circumstances? Help me gasser guys.

PS I'm very pleased with the SPEEDWAY kit.

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Axle will work on either side of spring if you allow for tie rod/steering arm clearance. Also oil pan clearance. On my project I tried axle above the spring but ride height was too low. Changed to below. Better steering angles also. The entire car is raised so this combo worked better. Some photo in my file/journal.
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Old 11-01-2012, 09:38 AM
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Yeah, desired ride height pretty much dictates where you put the axle. For a street car you're probably better off with over spring mount. Also depends on drop of axle. Just make sure you have clearance as stated, and also that the axle isn't going to bottom out on the chassis rail. You might want to put a short rubber bumper over the axle. Be careful about notching the chassis rail! You might have to weld in some reinforcement. If you left the spring towers and all in you should be okay though. If you took them out weld some thin wall rectangular steel tubing above the chassis rail and weld to the rail and firewall. That will add a LOT of strength -- then notch away!

What year American?? I'm real familiar with all of them, but just curious.

A lot of the old 60s gasser race cars wanted a "nose high" stance for better weight transfer to the rear. That would not be the best driving attitude though! In fact, it would handle like crap. If you wanted a true gasser look under spring would probably be the way to go, but then you'd have a drag race only car. If you intend to drive it one the street please go with safer over more authentic!
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