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sorry have to ask width question

Discussion in 'The Garage' started by stoney126, Apr 2, 2007.

  1. stoney126

    stoney126 1/2 ton status

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    I need a 67 inch 14ff bolt for my blazer correct? ya I searched
     
  2. chris walker

    chris walker Registered Member

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    yep but I think it 65 with 42 1/2 spring spacing
     
  3. stoney126

    stoney126 1/2 ton status

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    the bible has them listed as 63" and 67" WMS. Not real worried about the perches if they fit great but if not meh more of a reason to buy a welder:D
     
  4. divorced

    divorced 3/4 ton status

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    Here is some info I have collected from the net and saved on my computer... I have never measured though.



    GM 14 Bolt rear FF (single wheel) ....................67"

    GM 14 Bolt rear FF (dual wheel)........................63"

    GM 10 & 12 bolt rear ..................... 65"




    GM 14 Bolt rear (Van single wheel) ...............70"



    GM Dana 44 Front (single wheel) ..............69"8-lug; 67" 6-lug

    GM 10 bolt front (single wheel) ..............69" 8"lug; 67" 6-lug

    GM Dana 60 front (single wheel) ...................69"

    GM Dana 60 front (dual rear wheel) ..............77" ; +4" on each side vs single wheel





    1-tons feature 40.5" perch spacing - whether C&C or pickup, whether SRW or DRW. 3/4-ton is 42.5" perch spacing.



    .
     
  5. dremu

    dremu Officious Thread Derailer Premium Member

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    That one is the C&C ... there is also a WIIIDE dually 14BFF, which is the same WMS as a D70HD. Mostly you find them in '88+ NBS rigs, but I have heard tell that they show up in late 80's trucks now and again.

    -- A
     

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