That was pretty common number to mill off a new head in the olden days. Did
a lot of cutting in the combustion chmaber though and usually had a 11.7
ratio.
----- Original Message -----
From: "Brad Eells" <bradlnss@lightspeed.net>
To: "Greg Solow" <gregmogdoc@surfnetusa.com>; "MARY HODGSON &"
<STLNYC@email.msn.com>; <fot@autox.team.net>
Sent: Saturday, February 16, 2002 11:35 AM
Subject: RE: Cylinder head thickness and the PHA
> Greg,
>
> Interesting comments. I have a head for my TR4 that was raced very
seriously
> that is cut .210. The second head that came with the car is cut .117.
>
> What sort of reinforcement would I look for to see if this modification
was
> done to this head??
>
> I just about choked when I got that measurement thinking about what kind
> compression ratio the PO was trying to run. Looking at his logbook, he had
a
> number of engine related DNF's. I think he was pushing the envelope a bit.
>
> Brad
> 62 TR4
>
> PS. For you PHA Hillclimb fans...I just confirmed via a printed program
> purchased on Ebay that my car was an entrant in the Oct. 10, 1971
Weatherly
> Hillclimb event. This pushes back by two years the car's known competition
> history! Amazing what you can find on Ebay!
>
>
> <<With a reinforced head we have run
> comjpression ratios of over 12.7: 1 with over .220" milled off. BUT this
is
> not s goal that I recomend.>>
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