Re: [T3] Compression Ratio Recommendations

[Jim Adney <jadney@vwtype3.org>]

On 17 Jun 2002, at 13:00, Jaranson, John (J.W.) wrote:

> I am planning to go with between 7.0 and
> 7.2 depending on what it works out given standard shim sizes.

This sounds quite reasonable to me.

> On a related note, what tolerance can I run on the CR given my stock rebuild? 
> If standard shim thicknesses yield 7.1 on one bank and 7.2 on the other
> (remember my head chamber sizes vary by about 1 ml left and right), can I live
> with it?  What are the consequences?  Should I work the combustion chambers to
> get them closer in volume?  It is only a 1.5% change.  Should I worry about it?

I really don't know. Perhaps John has an opinion. I think if it were me, I'd see 
if I could match them a bit better. There are probably other factors which 
make these look pretty insignificant, however.

-
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
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