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  1. M

    88 E350 Gearing 4:10 or 4:56?

    Thanks for the replies. yeah I don't expect the mpg to go up much. I guess I figured 410 and 4:56s were the only option I will have to do some research is they make 4:30s for D60 and HP-D44. Thanks for the gear calculator site. gear calculator shows 4:10's would be 69mph at 3000rpm and with...
  2. M

    88 E350 Gearing 4:10 or 4:56?

    Hello all. I am new and just purchased a 1988 E350 extended 4x4 van. It has the 5.8L efi motor, C6 tranny, D60 LS rear, D44 front, 3:55's, and 285/75-16 cooper ATP tires. It's an awesome van I plan on using this for camping and pulling my raft and trailer around the mountains and right now...
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