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-   -   Engine hone question (https://classracer.com/classforum/showthread.php?t=82416)

richard diorio 07-24-2022 12:38 PM
Re: Engine hone fab question
 
Quote:
Originally Posted by jamie2370 (Post 663564)
I need someone to hone my 305sbc so I can put in new rings. Motor has like 10 passes on it but rings(total seal) I guess didn't take or hone was wrong? I am in the Middle Ga area. We have a guy local that has a new cnc hone machine but he doesn't do stocker motors but he does do lots of dirt track stuff. Just don't want the wrong hone done.
Brush with 220 grit put old rings back

NSSGTO 07-26-2022 02:14 PM
Re: Engine hone question
 
Quote:
Originally Posted by richard diorio (Post 664780)
Brush hone with 220 grit use same old rings
Agree, have done this a few times with production blocks. We used to run them in on the dyno then brush hone afterwards and reassemble with same rings.

Rick J 07-26-2022 03:12 PM
Re: Engine hone question
 
Rings make the bore round.

B/S 428 07-26-2022 05:30 PM
Re: Engine hone question
 
I use leak down and compression check along with obviously is it smoking? Light weight ring pacs can have a inaccurate reading on leak down..I ultimately make my final decision using compression test. If it has say 200# on all cylinders, I'm not to concerned with leak down numbers..JMO Brian Seaberg 627

Bob F 07-26-2022 05:34 PM
Re: Engine hone question
 
After you brush hone do you use the deburring brush?

bubski 07-26-2022 06:35 PM
Re: Engine hone question
 
Bubski's like OMG !! some compression testing looking for excessive oil on plugs !! Glad to see there are sum out there who haven't fallen into the snake oil magic hone job that will instantly pick up their car 5 tenths !! But Bubski knows there's always a sucka looking for that magic that doesn't exist !! Bubski thinking most "hone ,ring issues " are from improper cleaning g of cylinder prior to assembly !!


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