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Re: compression?

To: "mg list" <mgs@autox.team.net>
Subject: Re: compression?
From: Max Heim <mvheim@studiolimage.com>
Date: Wed, 11 Aug 1999 16:57:50 -0700
No no no, I assume he was being facetious about "scary". I wouldn't worry 
about too-high compression until you got into the 170s; or, of course, if 
just one cylinder was particularly high. If you were experiencing 
"knocking" or "pinging" that might be another story...

Terry O'Brien had this to say:

>scary?  upon my recent renewal of my 77B it tested 150, 150, 145, 150. 
>I did not oversize any components, but did go to a copper head gasket. 
>is there really and danger involved in such readings?  will it go down
>in a few thousand miles?  anything I need to look for?  right now I'm
>just enjoying that new car feel!
>
>perhaps its just the 10W40 my original owners manual calls for in the
>temp range I drive it in, ya think?
>
>  PS, as I enjoy all the extra power the renewal has given, I think
>about how little it cost me in actual cash outlay for all this long
>term enjoyment.  the rings, bearings, gasket and machine shop work to
>the head came to about $200.   
>--- John Walker <john@rmartin.net> wrote:
>> IMHO generally anything over 100 psi would be
>> considered pretty darn good.
>> 140 is almost scary. :)
>> 
>> -JW
>> 
>> 
>> 
>> At 03:30 PM 8/11/99 -0400, wizardz wrote:
>> >My '73 18V engine has a good 140 psi compression
>> >is it true a '72 is only around 130 new and 115 psi
>> would still be OK?
>> >
>> >
>> >Paul Tegler
>> >1973 BGT - Daily Driver 
>> >1975 Spitfire -in Cherry Shape     1980 Spitfire 
>> w/  O/D - in re-hab
>> >GT6 MKIII - in the works
>> >email: wizardz@toad.net       
>> http://www.teglerizer.com
>> >
>> >
>> >
>> 
>>         John Walker
>>      john@rmartin.net
>>      drone@d23.com
>>      ============
>> ~= Early 1974 MGB =~
>>      ============
>>        In Progress :)
>> 
>
>
>===
>Terry O'Brien, RDU/NC/USA
>-'77 MG B (daily driver)
>-'82 Dodge Ram 50 
>-'90+ various boring things
>-other people's British problems
>
>


--

Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.


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