Re: [Amc-list] Head grooving,,, or not.

[Wrambler242@xxxxxxxxxxx]

I think in actuality we are all on the same page here.
We are all wanting proof!
How we will get it I don't know.
I may well groove the 4.5L head when the time comes.
Not so much as I believe it will work as that I believe it won't hurt anything!
Those few cc's may be what it takes to push a detonation prone engine to the other side.

Still like to see a true apples to apples test done.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
" I realize that death is inevitable.
I just don't want to be around when it happens! "

 -------------- Original message ----------------------
From: "Bruce Hevner" <scramblr@xxxxxxxxxxx>
> Frank, Greg and others.
> How will you know it's "doing as advertised" unless you have back to back
> IDENTICAL tests in a controlled environment???
> I've read all the claims by "automotive breath" and others going back
> several years.
> 
> For one thing I don't see how it could possibly help much if at all on a
> motor where (due to dished pistons or open type quench chamber) the piston
> to head clearance is .060 or greater. Smokey Unick claimed the benefits from
> a "quench type" chamber dropped off drastically once you reached that point.
> And yet I see pictures of these guys putting VERY small grooves in some of
> these heads and "claiming" HUGE gains,,,,, com-on now.
> 
> At LEAST show me where someone has done Gtech tests or SOMETHING. I wish I
> was still working at the shop where we had a dyno or I'd do em. I don't
> currently have any engines ready to assemble that would be a good test.
> 
> Anyway It's only about 6 weeks till the PRI show. I'll be asking everyone in
> sight about it. If anyone has any examples I'll try and get pictures.
> But HEY,,, that's just ME!!!
> Bruce Hevner
> 
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