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wildcatoffroad9606
 Post subject: copper head gaskets
PostPosted: Mon Aug 25, 2008 10:15 pm 
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Location: west kentucky
I have got a compression leak between cylinder and head. Does anyone use these copper gaskets.

Woody
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RaceBugg1098
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 8:09 am 
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yea, they work well, but you will loose compression

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DVS1
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 4:45 pm 
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I always try to use head gaskets. They make a better seal. I always have the heads flycut to compensate for the copper gaskets.

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redrail1915
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 4:56 pm 
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i run 0.040 flycut heads

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BUGGYMAN
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 5:18 pm 
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Yeah, they work good but if you do not run them now and add them, say for instance, your gonna run the .040 copper gaskets, then you compression will be less. Either machine .040 off the bottom of you cylinders or fly cut your heads to make up the difference. I like machining off the bottom of the cylinders myself but everyone has their own way of doing things.

Donnie
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redrail1915
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 5:31 pm 
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i cut 0.100 off the jugs and 0.100 out of the heads should have taken more out of the heads to make up the 0.40

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wildcatoffroad9606
 Post subject: Re: copper head gaskets
PostPosted: Tue Aug 26, 2008 10:46 pm 
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appreciate the info...don't want to miss our last big ride of the year

Woody
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turboblue
 Post subject: Re: copper head gaskets
PostPosted: Wed Aug 27, 2008 4:54 pm 
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redrail1915 wrote:
i cut 0.100 off the jugs and 0.100 out of the heads should have taken more out of the heads to make up the 0.40



redrail1915 wrote:
i run 0.040 flycut heads



Is your engine a 1915?

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redrail1915
 Post subject: Re: copper head gaskets
PostPosted: Wed Aug 27, 2008 5:45 pm 
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yes it is 1915 044 heads 110 cam 1.25 rockers counterweigh crank dual 36 dells dui hei dist

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turboblue
 Post subject: Re: copper head gaskets
PostPosted: Wed Aug 27, 2008 5:49 pm 
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redrail1915 wrote:
yes it is 1915 044 heads 110 cam 1.25 rockers counterweigh crank dual 36 dells dui hei dist


Why did it take so much cutting to get the compression where you have it?
.100 off the jugs and either .040 or .100 off the heads?
Did you happen to use a set of B stroker pistons?

Just curious........... 8)

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redrail1915
 Post subject: Re: copper head gaskets
PostPosted: Wed Aug 27, 2008 5:59 pm 
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no stroker just was not happy with it when i put dual carb on it stock 1915 runs about 9.5 to1 i think one day i am going to take copper shims out and try it may bend a valve will need to check before start and run just like to play around

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Roy
 Post subject: Re: copper head gaskets
PostPosted: Wed Aug 27, 2008 8:05 pm 
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I use copper gaskets on every engine I build.

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