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02-13-2004, 07:43 AM
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Model A Front Suspension
Re: 1930 Ford Model A pickup (fendered with bumper). I am using a stock ibeam axle, split wishbones, and low profile 15" wheels. I want to keep the truck stock looking as much as possible.
I can either get a low profile posie reverse eye spring and altered front cross member to give me a 4" drop or I can just use a dropped axle. The first way is alot cheaper and easier . If I go with dropped axle there is ibeam and tube. Which is better? If I decide to get rid of the wishbones, what are the pros and cons of hairpins vs four bars? I do not want to bottom out on speed bumps. Help? Larry -------------------- Larry Loiselle ditvenet@hotmail.com [Be Righteous Not Politically Correct] 
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02-13-2004, 07:54 AM
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 You need a I beam...not a tube. With the split wishbone...the tube axle will be more prone to break. The I beam will not........it flexes a little. .
__________________
"I won't be wronged . I won't be insulted, and I won't be laid a hand on. "
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02-13-2004, 08:15 AM
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Re: Model A Front Suspension
Quote:
Quote:
Due to the limited travel of the suspension, I don't see much advantage of using split wishbones vs. hairpins vs. 4 bars. However, the 4 bars do work much better with either cross steering or when using a Mustang steering box to eliminate 'Bump' steer.
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02-17-2004, 04:49 PM
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Split wishbones or hairpins have a tendency to put a lot of torsional strain on ANY front axle that you choose (unless it is a triangulated system). The best street set-up is a 4 bar setup, as it allows the front suspension to have complete twisting travel with out putting anything in a bind.
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