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I just picked up a 454 block. Each lifter hole has a slot machined in it . Is this for a special lifter or what. I have never seen anything like this before. None of the machine shops in my area can tell me what the slots are for. Any help would be greatly apreciatted.


69 nova 540 3260# 5.70 @ 118 mph nat. asp.
 
Posts: 2 | Registered: January 22, 2006Reply With QuoteEdit or Delete MessageReport This Post
Heavy Hitter
Picture of BirdRacer
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Probably a lifter bore groove to increase oiling. It's pretty common practice on high stress applications.

If none of the machine shops can tell you what they are for, I would find another machine shop. Wink


Tony Barnett
897B
 
Posts: 407 | Location: Ardmore, TN | Registered: February 04, 2003Reply With QuoteEdit or Delete MessageReport This Post
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