Seized No one main bearing, But also found this |
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Seized No one main bearing, But also found this |
jeffdon |
Jul 14 2013, 12:12 PM
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#1
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Senior Member Group: Members Posts: 1,094 Joined: 24-October 06 From: oakland, ca Member No.: 7,087 Region Association: None |
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OCD Performance |
Jul 14 2013, 01:21 PM
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#2
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Newbie Group: Members Posts: 10 Joined: 10-July 13 From: Canada Member No.: 16,112 Region Association: None |
The thrust bearing on the cam shaft lost one of its flanges? WTF? How does this happen? Anyone seen this? Maybe some extra metal from the failure got into my main bearing? Some Questions 1) the thrust edge that broke, what end of the motor was it? oil pump or flywheel? 2) did you use double thrust for this build? 3) what cam? who made it? 4) what oil pump? could you have used the melling that requires trimming? did you do the extra o ring seal? 5) did you mock this motor up with the cam /crank without the gear set to make sure it spins free before final assy? 6) did you check cam end play before final assembly? (thrust clearance) 7) what tweaked you to tear the motor down? better photos of the back side and bearing surface please. Cheers Mike (IMG:style_emoticons/default/driving.gif) |
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