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Thread: Main bearing/rod journal oil clearance

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    Senior Member Code-Aye's Avatar
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    Default Main bearing/rod journal oil clearance

    Does anyone know correct oil clearances for a b16a2 with acl bearings? I keep finding different specs
    not sure if my motor was ever line honed before and since im using arp main studs its required

    i found one guy said .018-.020 for all mains/ rods .016-.018 for acl bearings

    or should i go by alldata which says for the b16a2

    Main bearing-to-journal clearance
    No. 1,2,4 and 5 (0.0009-0.0017)
    no. 3 journal (0.0012-0.0019)

    Rod bearing-to-journal oil clearance
    (0.0013-0.0020)
    note i have eagle rods

    the block has previously had all acl std bearings in it, i plan on running acl std's again just need correct spec for them so i can see if the motor has ever been line honed
    what would u run for daily acl race, acl std or honda? which is best for daily driven around 400?
    thanks in advance
    Last edited by Code-Aye; 07-24-2013 at 08:28 AM.

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