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Junior
 Post subject: steel shim head gasket
PostPosted: Tue Feb 19, 2013 2:21 am 
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Turbo Slant 6
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Joined: Fri Apr 27, 2007 5:50 pm
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what is the likely hood that a new steel shim head gasket will work without machining the head or the block?

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1966 Plymouth Valiant, 225, 3 on the tree, 8 1/4 3.21 sure grip, hyperpac, holley 650dp, holset h1c
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emsvitil
 Post subject:
PostPosted: Tue Feb 19, 2013 2:28 am 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Off the top of my head I'm going to say....


zero

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Ed
64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

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Charrlie_S
 Post subject:
PostPosted: Tue Feb 19, 2013 3:27 am 
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 8777
Location: Silver Springs, Fl.
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Check the deck, and the head with a straight edge. My cuda has a shim gasket without cutting the deck, but does have a milled head.
My 66 Valiant was originally built with the shim gasket and no cut on the head or block. Ran a couple of seasons, before we cut the head, for a compression increase. Still using the shim gasket.

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Charrlie_S
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Doc
 Post subject:
PostPosted: Tue Feb 19, 2013 11:06 am 
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Joined: Mon Oct 14, 2002 4:32 pm
Posts: 4880
Location: Working in Silicon Valley, USA
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Could work... IF you have a "long board" sanding block and a lot of "elbow grease".

You will have to pull the dowel pins out of the block deck and start sanding... and checking, with a straight edge, before you know for sure... If the head or block is un-even or warped, it is best to spend the $$ to get them resurfaced.

It is always interesting to see the "high - low" areas when you start sanding... the block in my photos below had "zebra stripes". :shock: :?
DD

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Junior
 Post subject:
PostPosted: Tue Feb 19, 2013 1:41 pm 
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Turbo Slant 6
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Joined: Fri Apr 27, 2007 5:50 pm
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thanks for the replys guys.

doc, is that "board" wood or a piece of steel?

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1966 Plymouth Valiant, 225, 3 on the tree, 8 1/4 3.21 sure grip, hyperpac, holley 650dp, holset h1c
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Aggressive Ted
 Post subject:
PostPosted: Tue Feb 19, 2013 1:48 pm 
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Supercharged
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Joined: Mon Jan 15, 2007 5:05 pm
Posts: 3767
Location: Black Diamond, WA
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I use 16 ply Finish Birch plywood. It works very well.

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Aggressive Ted

http://cid-32f1e50ddb40a03c.photos.live ... %20Swinger


74 Swinger, 9.5 comp 254/.435 lift cam, 904, ram air, electric fans, 2.5" HP2 & FM70 ex, 1920 Holley#56jet, 2.76 8 3/4 Sure-Grip, 26" tires, 25+MPG
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Junior
 Post subject:
PostPosted: Tue Feb 19, 2013 3:23 pm 
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Turbo Slant 6
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Joined: Fri Apr 27, 2007 5:50 pm
Posts: 745
Car Model:
what grit sand paper?
also my block isnt disassembled is there a way to keep the metal shavings out of the passages?

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1966 Plymouth Valiant, 225, 3 on the tree, 8 1/4 3.21 sure grip, hyperpac, holley 650dp, holset h1c
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hantayo13
 Post subject:
PostPosted: Wed Feb 20, 2013 5:24 am 
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Turbo EFI

Joined: Sat Feb 19, 2005 9:57 am
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also my block isnt disassembled is there a way to keep the metal shavings out of the passages? NO
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Aggressive Ted
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PostPosted: Wed Feb 20, 2013 7:36 pm 
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Supercharged
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Location: Black Diamond, WA
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80 grit belt from a vertical belt sander belt. Use a little WD 40.

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Aggressive Ted

http://cid-32f1e50ddb40a03c.photos.live ... %20Swinger


74 Swinger, 9.5 comp 254/.435 lift cam, 904, ram air, electric fans, 2.5" HP2 & FM70 ex, 1920 Holley#56jet, 2.76 8 3/4 Sure-Grip, 26" tires, 25+MPG
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Junior
 Post subject:
PostPosted: Thu Feb 21, 2013 12:23 am 
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Turbo Slant 6
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cool, thanks man

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