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Old 09-18-2010   #39
Paul Workman
 
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
Default Re: An enigma insues...

Quote:
Originally Posted by Pete View Post
Tyler, i don't think there is a differance in the lifters.
There is a differance in valve lengths.
http://www.zr1netregistry.com/ZR1_specs.htm#9

Yes,your are right about leak down this is why i say she is a finicky girl there is alot of things one needs to know/check.
Once you crank her a bunch or run her for a few minutes lifters will bleed down.

What stinks is if one screws up it can cost some real $$$$ which will make taking it to a tuner in the first place a bargain.


Pete
Pete, I see the valve lengths vary from 90-92 vs. 93-95. And, from that same link source, there is no difference in lifters across all years, if I'm reading it right. SO.....Where is the difference in the lengths being made up? Is there a difference in the base radius of the cam lobes, or seat depth in the heads, or does the lifter just suck it up?

P.
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