Main Bearing trouble.
04-30-2008, 05:53 AM
#21
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Originally Posted by billhendren
The most common problem when you find taper in the block is foreign material like chips under the cap when it was align honed. Taper in the crank journal is far more common with the crank you have and thats what it looks like on the bearings.make sure someone measures the crank carefully for taper AND out of round or you will end up with the same problem.Bill
05-12-2008, 09:42 PM
#25
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Filed the rings last night...had to go with two different sets of bearings to get the proper clearance( standard and standard +1 x) bought the x bearings at the advice of machinist but ended up with .004 + oil clearance..gona put in a half shell standard and half x bearing. Second set should be here tomorrow should end up around .0035
ops:
05-14-2008, 09:08 PM
#27
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I need to ask somebody which half to put the thickest one in...upper or lower. The x b earing is a standard bearing with .001" extra clearance built into it..ordered those cause machine shop guy told me I should..then after it was align honed it looks like I didn't need them.
06-01-2008, 01:36 PM
#28
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got it back up and running. Used Hinks method of ball mic'ng the bearing shells to check clearances. Ended up with .0029-.0032 on all the rods and between .003 and .0035 on the mains.Gona run it once or twice and yank it back out to inspect the bearings.
06-01-2008, 05:46 PM
#30
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Originally Posted by olds48
My Eagle crank was all screwed up right out the box.Journals were kinda crescent sheped.High in the middle,low at the radius'.Is there any such thing as truly "machined" parts straight out the box???