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Old 08-13-2002, 06:09 AM
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Post More head gasket questions

Here is one I have wondered about for decades. My 331 hemi gasket sets come with steel shim head gaskets. That's it, just a single steel shim. I have always used 354 head gaskets which are more conventional comopsition sandwiched between copper sheets. Only problem with them is that the pushrod holes are bigger than the 331's and I need to put little gasket fillers in them to prevent leaks. Works fine.

My question is, how do you seal the steel shim gaskets? I tried them in the 60s when I was a veritable youth and could never get them to seal. Motors manuals are silent on the subject. Remember, these engines came out right after WWII so there weren't any exotic sealers, just hard and flex Permatex.

Incidentally, the 1955 small block Chevy engine is credited with introducing the modern V-8 design. That's a pile of Barbra Streisand. Take a look at the 1951 hemi V-8 vs. the 1955 Chevy V-8. Power, bore to stroke ratio 331 vs. 265. by the time Cheve came out with the anemic 265, Chrysler was making a 354 hemi!), breathing (no contest!), oiling system, hemi - stock dual point ignition, materials of construction (hemi - forged crank, hi-nickel castings), you pick the criteria, Chevy loses. No comparison. The Chevy is a poor copy of the hemi. Ford wasn't even in the race with their water boiler.

[ August 13, 2002: Message edited by: willys36@aol.com ]</p>

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Old 08-13-2002, 08:53 AM
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Aluminum or copper based paint works OK but they are poor alternatives to composition gaskets. If you are willing to go through the trouble of making them a set of copper sheet gaskets installed with copper paint sealer works really well and is all I ever use on snomobile/motorcycle engines. The best part is they are reusable and only need to reannealed to use them again. A self cleaning kitchen oven set on "clean" gets up to 600 F and will do the job of annealing the gasket just peachy.

Like you need another item going into the kitchen to make the wife divorce your hot rodding butt.

"ohhh honey, it won't smell that bad!" my favourite line! :p <img src="graemlins/nono.gif" border="0" alt="[nono]" />
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Old 08-13-2002, 12:40 PM
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So I guess I should have expected cylinders full of coolant. Not a good thing for a 16 yr old to find!

Yes, ovens are great tools. Last project in mine was blowing bubble tops for my 1/8 scale Mysterion. Wife was out of town so I really ahd a good time!
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Old 08-13-2002, 03:06 PM
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yeah, that copper colored crap in a bottle, wasn't called copper-coat, it think i used that spray paint idea once. i think the v-8 was invented back in the 20's anyway. about the same time they had in line 8's.
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