Thread: Cylinder Honing
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Old 02-15-2021, 09:32 PM
ICOM 756 ICOM 756 is offline
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Join Date: Jan 2021
Location: Vermont
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take the warm soapy water to heart as george says... i LEARNED... brake clean is NOT ENOUGH... tho i was keeping very close eye.. about hour run time and i drained oil.. another hour on new oil and still same amount of metel. pulled it apart and dirt or valve compound or boring bits damage to rod on crank side. piston skirts and cyl walls.
very lite i got real lucky ... over wash to be even safer...


Quote:
Originally Posted by ol'George View Post
You have a spring loaded deglazing hone.
Run it slow in yer drill and work it up down to produce the 30-45* crosshatch pattern.
All you want to do is remove the glaze slightly to help the new rings to seat properly.
Use kerosene as a lube,and keep it wet.
A cylinder in a 5 gal pail with kerosene works well.
don't linger in one part of the cyl. keep moving it up and down in the bore, as it rotates.
You will not need to take any material off, just knock the "shine" off the walls
It should not take but a few minutes for each cylinder.
Then wash the cylinders out with hot soapy water TWICE THROUGHLY making sure to use a scrub brush. you do not want any of that abrasive cast iron and hone stone material in the cyl's, winding up in the engine oil.

Just ask a fellow member here who is re doing his rebuild because he didn't do that.
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