| According to the TR6 prep manual, 3.375" gives a compression ratio of
10.25:1.  This is with zero deck clearance.  it appears that if you mill it
to 3.295" you get a CR of 12:3:1 with zero deck clearance.
Charly TR6 # 44
----- Original Message ----- 
From: "Chuck Arnold" <chuck.arnold@oracle.com>
To: "Joe Siam" <jsiam1@earthlink.net>
Cc: "FOT (E-mail)" <fot@autox.team.net>
Sent: Wednesday, August 31, 2005 8:20 AM
Subject: Re: TR6 Compression
> Joe,
> I have a late model TR6 head -- has the wider distance between the
> ports.  It is about 3.55 inches thick in stock form.  I had it milled to
> 3.30 inches.  Taking this quarter inch off has raised the compression
> ration to somewhere around 12:!.
> Chuck
>
>
> Joe Siam wrote:
>
> >TR6 compression   What is the difference between the high and low
> >compression head?  What is the thickness of a high and low head?  thanks
> >Joe
 |