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Re: [Mgs] setting valves after head machining / 1500 MGA

To: Jim Juhas <james.f.juhas@snet.net>,thgun@comporium.net
Subject: Re: [Mgs] setting valves after head machining / 1500 MGA
From: Barney Gaylord <barneymg@mgaguru.com>
Date: Mon, 13 Jul 2009 19:44:52 -0500
I also mill an 18 head down 0.047" from 3.187" to 3.140" to vhange 
from 43cc to 38cc.  No problem with rocker adjustment in that 
range.  I think you would have to shave it about 0.100" before you 
run out of thread on the adjuster screws.


At 08:34 PM 7/13/2009 -0400, Jim Juhas wrote:
>I'm looking forward to hearing what you discover is wrong.  I just 
>milled my 1500 head to get 37cc volume and decked the block to make 
>the pistons level with the top of the block.  Even with that, I had 
>plenty of adjustment with stock pushrods, although in my case, the 
>stock setup was MGB 18V parts.
>
>thgun@comporium.net wrote:
>>I have talked to a few people about this and I am still not clear 
>>as to how to go about fixing my problem. I purchased a redone head. 
>>Now a few of the valves are too tight to adjust. Can I use shims 
>>all the way across to raise the rocker assembly? If so where can I 
>>get them? Any other tips.
>>Thanks for the help,
>>Tom Gunderson, 1957 MGA 1500 rs
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