just started assembling my stroker and the connecting rod bearings for the 258 rods are have about 1/16 - 1/8" of clearance on each side. ie; they are narrower than the rods by that much... i don't know if this is normal as i don't have the original 258 rod bearigns. it seems like the bearing should over the entirety of the rod surface and also the bearign surface on the crank...
a fast answer would be awesome as i'm currently assembling...
258 conn rod bearing width?
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bikedude189
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gradon
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Re: 258 conn rod bearing width?
The bearing clearance should be .001-.003", with .0015"-.002" being optimal, so yeah something's up. The side clearance should be .010-.019"
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IH 392
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Re: 258 conn rod bearing width?
Federal Mogul shows their AMC/Jeep rod bearings are .837" wide, don't know why they would vary form the OEM bearings.
The shell is narrower than the journal to clear the fillet radius.
The shell is narrower than the journal to clear the fillet radius.
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Plechtan
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Re: 258 conn rod bearing width?
A standard Jeep rod is 1.060, with the bearing width being .837, that does give you about 1/8' clearance per side.
Peter Lechtanski
The worlds Fastest Comanche Prroject
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