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Thread: Just got a 1980 dodge aspen coupe

  1. #21
    Super Moderator 77rr2x4s's Avatar
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    looks like a 4 leaf

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    Aspen and Volare Super Moderator aspen79's Avatar
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    Yes, the "box" that holds the axle to the springs is the unobtainium piece for 4 leaf springs like you have. Appears Auto Rust Technician's still has those, so they're not totally unobtainium. They discontinued all other Mopar items though a couple years ago, for reason's unknown. They're web site says the Mopar stuff is now sold by Classic Industries but, Classics site shows pretty much nothing for F body so, who knows.

    Jim's AZ Parts was a good source for rust free F body parts but he has basically retired now, from what I understand.
    1979 Aspen Sunrise 500". Owned since 1987, big block since 1989
    1996 Dakota Sport owned since 1998, 3.9L. Winter DD
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    Let's go Brandon!

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    Aspen and Volare Rattle Trap's Avatar
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    I actually have a pair of 4 leaf boxes. It's the 5 leaves I'm out of. But would have to know your distance between holes down one side to know if they'd fit your axle. 4 leaf are 2-3/4" from the bottom of the 90 degree bend at the hole part, to the bottom. The 5 leaf are 3". The problem comes from there having been two different axle tube diameters. Boxes for the small tube axle wouldn't work too good with a large tube, but large tube boxes could be reamed to the inside for a small axle. I'm not sure which axle I have for without checking and you'd need to check yours also to see if they match.
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    Aspen and Volare Rattle Trap's Avatar
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    Quote Originally Posted by 77rr2x4s View Post
    BTW, Those brackets from auto rust are for 4 leaf spring vehicles. Jim AZ parts had some spacers he made up for the 5 leaf applications.
    Making a 4 into a 5 isn't hard as long as it's for the right diameter axle tube. You just add a piece of 1/4" flat bar to the top of the box on each side with holes in each end of the plate to match the rest.
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    Super Moderator 77rr2x4s's Avatar
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    Quote Originally Posted by Rattle Trap View Post
    Making a 4 into a 5 isn't hard as long as it's for the right diameter axle tube. You just add a piece of 1/4" flat bar to the top of the box on each side with holes in each end of the plate to match the rest.
    Yeah pretty simple, I was just saying for someone that may be a novice.

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    Aspen and Volare Member Jansen5's Avatar
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    Quote Originally Posted by 77rr2x4s View Post
    Yeah pretty simple, I was just saying for someone that may be a novice.
    Me being a novice might be an understatement, I’m awful haha but thanks for your guys help. I’m sure I’ll have more questions so I’ll just post them to this thread

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    Aspen and Volare Senior Member DCAspen's Avatar
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    All 1980 F rear ends have a 3 inch tube,7 1/4 and 8 1/4.

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    Aspen and Volare Rattle Trap's Avatar
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    That sounds right. I couldn't remember when they switched to the big tube 7.25". But that's what my pair of 4 spring boxes fit. 3-1/2" c/c on the holes. I'll sell them...
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    Aspen and Volare Member Jansen5's Avatar
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    Quote Originally Posted by Rattle Trap View Post
    That sounds right. I couldn't remember when they switched to the big tube 7.25". But that's what my pair of 4 spring boxes fit. 3-1/2" c/c on the holes. I'll sell them...
    Mind sending a picture of them? New ones seem to be outrageously priced

  10. #30
    Aspen and Volare Member Jansen5's Avatar
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    Also my leaf spring doesn’t seem to match up exactly but I don’t know if it will matter or not, ALSO I need to know where to find the bushing that goes on the end of the long side of the leaf spring

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