Re: [Amc-list] Days of Whine & Roses

[Wrambler242@xxxxxxxxxxx]

When the 4.0L head is installed on the bore the chamber on it is wider than the early 199/232/258 bores.
>From what I read from John it appears that perhaps even the stock heads had this same problem.
The theory is to take the bore and taper it out to match the cylinder head ring in the head gasket or thereabouts.
You do the taper from where the ring stops up or of course you'll screw the pooch! uh, well, nevermind on that one...

The Jeepstrokers.com forum has some good pics and explains it well.
Much better than my fumbling way with words!

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

 -------------- Original message ----------------------
From: Tom Jennings <tomj@xxxxxxx>
> Thanks for the info!
> 
> Wrambler242@xxxxxxxxxxx wrote:
> 
>  > I'd also taper the top of the intake side of the cylinders too.
> 
> Not sure what you mean -- like a valve clearance notch, only a deep 
> chamfer for an angled entry from the valve/port to the cylinder? I don't 
> recall what the relationship is there.
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