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52" under a '69 chevy 1/2 ton

Discussion in 'The Garage' started by blacksheep10, Mar 10, 2005.

  1. blacksheep10

    blacksheep10 Registered Member

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    I am doing a 52" conversion on a 69 1/2 ton and putting a 60 and 14 in it for the guy while I am at it. I am curious how far forward you guys moved your front perches to make the tire sit in the factory position in the wheelwell. He is not a fan of trimming or an uncentered wheel. Still drives it to work sometimes and such. I currently have them moved 4.5" forward and the rear shackle perches moved 2.25" back and a 7 inch shackle. Isn't on the ground yet, wanting to know what is might look like (still dont' have u bolts and other goodies to set it down with.) Will the tire be centered?
    rear leaves are 1974 1/2 ton 4wd rears with the overload still in it.
     
  2. Silver84k5

    Silver84k5 1/2 ton status

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    what length front springs came in that truck? are they the same as 73-91 front springs?
     
  3. atho

    atho 1/2 ton status

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    No.

    I am gonna keep an eye on this thread too...so I have some options.:D
     
  4. blacksheep10

    blacksheep10 Registered Member

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    rough shot with the tape looked like 44ish. Didn't get super technical. Figured with 52's I could move the front perch forward 4.5 inches ( a half inch too far) and then with the 7 inch shackles they would flatten out some. Sure, still a half inch forward, but if you trim, I think you want to trim the front of the fenderwell. The truck's name is tetanus, kind of rusty. Those fenders just don't look as good trimmed. I just bought u-bolts, should have it on the ground in about 20 minutes. will try to get pics on here.
     
  5. atho

    atho 1/2 ton status

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    check this out...I think its pretty tasteful:

    http://pg.photos.yahoo.com/ph/portal2hades/detail?.dir=1e30&.dnm=bba5.jpg&.src=ph

    iirc, thats a '68 body on an 80's K20 chassis...thats why the front wheel is so far forward. its not mine, I stole the pic off of the 67-72 board.
     
  6. blacksheep10

    blacksheep10 Registered Member

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    yes, but you might notice that the center of the tire doesn't fit with the center of the arch of that fenderwell. It is a constant arc on this body style. On the next gen after this one, the shave is painless, not much of a big lip on the fender to look goofy once it is gone. He wants to one day make this truck nice:surepal:

    Like I said, its name is Tetanus.
    anyway, with it on the ground, it looks like the tire is about 1.5 or less forward. Not too bad, I think I can convince a small shave job to make it look right. If not it is back to the torch and welder.
     
  7. Silver84k5

    Silver84k5 1/2 ton status

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    is it an option to use a 0 rate, to push the axle backward 1.5"?
     

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