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Thread: oversize pistons

  1. #1
    Join Date
    Jul 2011
    Asheville, NC

    Default oversize pistons

    hey guys, Im doing some research and pricing out some oversize pistons. Iv rebuild a few v6 gas motors and I know what can be involved in boring. but know very little about these 6.5l's internally. like if there sleeved. If anyone has done this kinda work advice would be grate.
    98 K3500 dually with nv4500 trans and 410gears. k&N air filter, instant heat glow plugs, dymond eye exhaust, 3" down pipe 4" back, fsd heat sync w/out resister.

  2. #2
    Join Date
    Feb 2007
    Lincoln, NE USA


    No sleeves, unless there's been cylinder damage in the past. If it does need an overbore, make sure the pistons are available in the size you've determined you need before you do the bore, as certain sizes are no longer available in certain compression ratios from Mahle.

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