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Chev 350 or 250

Discussion in 'New to the H.A.M.B.? Introduce yourself here!' started by 70kid, Nov 1, 2011.

  1. 70kid
    Joined: Oct 3, 2011
    Posts: 215

    from Denver

    Question to all, how much better gas mileage would a 250 get compared to a 350, thinking about doing a swap in my chev p/u
    ?, Thanks
  2. greg ducato
    Joined: Oct 19, 2011
    Posts: 29

    greg ducato

    A 250 and 350 share the same gear ratios. The 250 has smaller capacity clutch packs and a second gear band instead of an intermediate clutch pack and sprag as the 350 does, so there may be some very small frictional benefits. I don't think the trade off in durabilty for no perceptible difference in economy is worth the effort.

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