Posted by the tractor vet on March 25, 2021 at 12:23:21 from (104.179.81.68):
In Reply to: Re: Main bearing caps posted by SVcummins on March 25, 2021 at 11:10:48:
That is something i always check . Over time you may have core shift , will it run yea but you will have more ware on bearings and slight drag on the engine . BUT what i do not like is the NEW way on doing the line bore now with the line HONE as it takes meat out of the block and cap . We use to set up to just lightly DUST the blocks and take a little more out of the caps with the line BORE this helped with keeping the timing chain tight as possible and on gear drive valve trains it did not set the crank gear to much deeper into the matting gears . Then once we had center line then we would work on getting the bores straight with the center line . These shops have pretty much gone the line hone as any dummy can set them up , just grind the caps how ever put them on stuff the bar in and start boring and just get it close it will be fine . Where as with the bar you had to do the set up and get that dead on the money BEFORE you stuffed the caps on and sometimes ya had to dust the cap mating surface so the block had to be dead on from one end to the other . It took me a lot longer to do the set up then what it took my buddy but he had way more experience then i had .
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