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alternator out of line

Discussion in '40- & 55-Series Tech' started by red66toy, May 1, 2003.

  1. red66toy

    red66toy GOLD Star

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    The PO of my fj40 put in a GM alternator. I noticed that the pully on the alternator is a little farther foreward than the fan pully. I know that this is bad for the alternator because it has already ruined one. I was wondering how I could fix this. Thanks.
     
  2. woody

    woody Internet Fireman Staff Member

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    Probably will need to bend/adjust the brackets...also, some/most GM alts mount with a long bolt/spacer, a shorter/rimmed spacer might do the trick.

    Mount modification is really the only solution to move it back further.
     
  3. wayne_fj40

    wayne_fj40

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    witch side is the alternator mounted drivers side longer water pump pass. shorter they may have mountd you'rs drivers side with the short pump and the bracket is for thelong witch would make alt. stickout further. both pumps will work Its just that there is a lengh deal that how they did it in the 60's




     water pump shaft longer if the alt mounted on drivers side
    water pump shaft shorter if the alt is mounted pass side
       theres about an 1/2" difference if I remember
     
     
     
  4. red66toy

    red66toy GOLD Star

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    The alternator is on the driver's side. It is a 66. Thanks
     
  5. wayne_fj40

    wayne_fj40

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    Than they probaly put the shorter shaft water pump on and with the old style brackets thats why It sticks out.you probally can shim it out or bend and tweak or just by the longer style water pump hope this helps Its not that big of a deal to fix :G
     
  6. wayne_fj40

    wayne_fj40

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    I think I really screwed up what engine do you have.All of what I said only makes a diff.if you have a smallblock or big block.If you got the origanal engine in it you will just have ti do some bending and shiming till you get it close   :)