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#15655 03/14/2003 7:20 PM | Joined: May 2001 Posts: 13 Junior Member | | Junior Member Joined: May 2001 Posts: 13 | hey bolters... anyone know what the original gearing is in a 59 1/2 ton gmc w/270 ci eng
and sm 420 tranny is, or where i might be able to find more info??...tried the old gmc truck site and didn't find much unless i didn't look in the right place.... mahalo | | |
#15656 03/14/2003 10:55 PM | Joined: Sep 2000 Posts: 33 Member | | Member Joined: Sep 2000 Posts: 33 | did you mean, what are the tranny gear ratios, or are you asking what rear gear probably would have been mated with your 270/sm420 combo? | | |
#15657 03/18/2003 4:44 AM | Joined: May 2001 Posts: 13 Junior Member | | Junior Member Joined: May 2001 Posts: 13 | what i meant was, what was the gearing in the stock rear end in a 59 gmc 1/2 ton w/a 270 ci eng..is it practical to use it w/ todays highway speeds?? | | |
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