block/head surface preparations for hg install.
06-02-2006, 07:14 AM
#1
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block/head surface preparations for hg install.
Do you guys leave the block deck and head perfectly smooth? I read on older threads that they were roughing it up a bit "to help seal the deck". I don't think that's a good idea.
thoughts?
thoughts?
06-02-2006, 09:37 AM
#2
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lmao!! where the hell did you hear that?
you want it perfectly smooth.. one little scratch on it and it may not seal. when i get heads resurfaced they pratically polish them. they look like a mirror. thats when it will seal the best.
you want it perfectly smooth.. one little scratch on it and it may not seal. when i get heads resurfaced they pratically polish them. they look like a mirror. thats when it will seal the best.
06-02-2006, 09:38 AM
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Re: (mike93boost)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mike93boost »</TD></TR><TR><TD CLASS="quote">lmao!! where the hell did you hear that?
you want it perfectly smooth.. one little scratch on it and it may not seal.</TD></TR></TABLE>
thats what i thought
you want it perfectly smooth.. one little scratch on it and it may not seal.</TD></TR></TABLE>
thats what i thought
09-24-2006, 04:07 AM
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Re: block/head surface preparations for hg install. (igo4bmx)
The older style fiber composite gaskets worked better with a little roughness to the finish.The new mls steel gaskets only work with a smooth surface.
09-24-2006, 05:46 AM
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Re: block/head surface preparations for hg install. (NJIN BUILDR)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NJIN BUILDR »</TD></TR><TR><TD CLASS="quote">The older style fiber composite gaskets worked better with a little roughness to the finish.The new mls steel gaskets only work with a smooth surface.</TD></TR></TABLE>
Whole article about this. http://www.aa1car.com/library/2003/eb30320.htm
Whole article about this. http://www.aa1car.com/library/2003/eb30320.htm
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09-24-2006, 06:11 AM
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Re: block/head surface preparations for hg install. (LeGeND4LiFe)
This almost makes me laugh when I think how my neighbor had me prep his iron v8 blocks for oval racing - run a big-*** file over it for a while, and blow out the shavings. It worked though!
As what to actually use, I definately wouldn't suggest steel wool, as you don't want any iron particles on that surface. I would also be careful about actually polishing the surface. You don't want to dull any edges, nor do you want to remove much material. You also will want to clean it with alcohol or something afterwards, since a lot of polishes leave sealing residues after being wiped off.
As what to actually use, I definately wouldn't suggest steel wool, as you don't want any iron particles on that surface. I would also be careful about actually polishing the surface. You don't want to dull any edges, nor do you want to remove much material. You also will want to clean it with alcohol or something afterwards, since a lot of polishes leave sealing residues after being wiped off.
09-25-2006, 09:05 AM
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Re: (JDM92Bubble)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDM92Bubble »</TD></TR><TR><TD CLASS="quote">bump i would like to know as well
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