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Re: hemi heads
[Re: Hemi Allstate]
#1319836
10/15/12 12:42 PM
10/15/12 12:42 PM
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Joined: Jan 2003
Posts: 75,004
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,004
U.S.S.A.
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Quote:
Quote:
If you bought bare new castings, especially from that era , you should NOT ASSuME they are ready to be assembled . Even the assembled ones from that era were a crapshoot my my single experience .
 The ones I bought had oversize guides. When using the standard size valves stems we had .005" clearance. That's way too much.
I sent the heads off my brand new crate motor that only had factory run time to be checked and the only thing reused were the castings , even had to install guide liners .
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Re: hemi heads
[Re: Hemi Allstate]
#1319837
10/16/12 01:51 AM
10/16/12 01:51 AM
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Joined: Jun 2004
Posts: 3,319
Chicago Burbs
sthemi
master
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master
Joined: Jun 2004
Posts: 3,319
Chicago Burbs
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Quote:
Quote:
If you bought bare new castings, especially from that era , you should NOT ASSuME they are ready to be assembled . Even the assembled ones from that era were a crapshoot my my single experience .
The ones I bought had oversize guides. When using the standard size valves stems we had .005" clearance. That's way too much.
I bought a set in 98, with low miles, they were sucking oil down the guides, had to have them reworked. 
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