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Originally Posted by LJ DERBY
Greetings from the rainless greater northwest.
I have posted before about the knock in this car. If I opened the feed to no.1 injector the knock went away. After trying the "purge" route with no improvement, I dropped the lower oil pan and removed the bearing from no.1 piston. The bearing was worn and I thought that the bearing was worn and looked wierd around the center oil groove. ......................................................Then I looked at the pictures of new bearings on Fast Lane and and and they dont have an oil groove !!!!!! out there? Also the hard rubber pick up with the screen was broken but the screen was still on the pump so nothing got into the pump. Thanks for listening to this long winded tant. Lee
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The tabs on the rod and cap go together..same side..... there are no 'grooves' in a rod bearing, only in a main bearing upper. Cap tabs always go on same side as tab on rod or main cap to block. These are to 'orientate' the bearings and caps, the 'crush' is what holds the bearing insert in place.
If the wear face of the rod bearing has a groove, then it was worn there, not manufactured there.
The rubber nose on the oil pick up is to stop vibration from fracturing the oil pump pick up spout.( Anyway...this seems as good an explaination as any..) The screen needs looking at vewry vewry close..... as I had a screen with a gap that allowed a small peice of brass to jamb the pump, tear the oil pump chain apart and destroy the engine within 2 miles at 70 mph....on a customers engine!
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