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SFA swap/wheel size question

Discussion in 'The Garage' started by thezentree, Oct 14, 2003.

  1. thezentree

    thezentree 3/4 ton status

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    im doin an SFA conversion on my 97 yukon, using a D60HP out of a '79 F350, and a 14BFF rear end (another question on that in a sec). can i run 15" wheels on these axles without griding the calipers or drums? or do i need to run 16"?

    also, what years should i be looking for for the rear end? i heard that the older 1 tons (pre-'88) have narrower rear ends. /forums/images/graemlins/burb.gif
     
  2. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    The huge dual piston calipers on the ford front are close on my 16.5's so I can't imagine them fitting 15's without grinding...
     
  3. thezentree

    thezentree 3/4 ton status

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    lol, crap. 15" wheels are cheap....
    did you grind your brakes at all?
     
  4. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    Sorry, I run 16.5" double beadlocks /forums/images/graemlins/wink.gif
     
  5. Masher

    Masher 1/2 ton status

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    I just got done doing the same setup under my '96 Z-71. I ended up getting different caliper brackets for the HP 60 from JB's 4x4 that allow you to use 3/4 ton Chevy calipers and rotors. I also have discs on the 14FF and the truck stops better now with 40's on it than it did with the stock brakes and 35's. /forums/images/graemlins/thumb.gif I did have to grind very little on all calipers to get the 15" rims to fit, and I do mean very little.
     
  6. K5MONSTERCHEV

    K5MONSTERCHEV 1/2 ton status

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    Yeah same ont the HUGE dual piston calipers, the 16.5s barley fit, 15s wouldnt.
     

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