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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Coil Spring Swap

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Old May 31, 2005 | 12:15 PM
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Coil Spring Swap

I have searched for the answer but could not find one. It may sound stupid but will the coil springs form a 1970 F-100 fit on my 1981 F-100.

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Old Jun 6, 2005 | 01:24 PM
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Does anyone have an answer?

Thanks,
hotrod48
 
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Old Jun 7, 2005 | 09:39 AM
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You would have to measure coil diameter and coil height to see it they would fit. Spring rates may be different so you would need to look up the spring rates to see they are what you want.
 
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Old Jun 7, 2005 | 12:46 PM
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ronclark, thank you I really appreciate the help.

hotrod48
 
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Old Jun 8, 2005 | 04:43 PM
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There's a good chance they will. Though the 67-72's, 73-9's, and 81-96's are considered different body styles, they all have very similar suspension. Not the SAME, but very similar. I actually have 79 springs in my 82 right now. They work fine. My V6 coils were sagging under the weight of a 351W. I happened across a pair of coils for a 351M truck for nothing. They turned out to be just right. Coils tend to sag as they get miles on them though. I believe the M engine was heavier than my W is, but the ride and height happened to work out perfectly.
 
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Old Jun 8, 2005 | 07:11 PM
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Thank you GypsyR, that is what I wanted to hear. My friend totaled his 1975 and got 1970, so he swapped the '75 front suspension to the '70 for disc brakes.

hotrod48
 
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