Re: lowering compression ratio for turbo

["Jonas K." <jkarlsso@metabolex.com>]

Well, what motor do you have now. I suggest just getting a JH motor. The
8.5:1 compression is IMHO perfect for a street turbo. You'll keep the squish
area, and be able to run at least 15psi boost, so long as you have
sufficient intercooling and enough fuel to make it work.  Go any lower on
compression and you'll loose so much low-RPM/off-boost torque that it won't
be fun anymore. 

Pick up Corky Bell's book "Maximum Boost" and read up on it.

HTH, 
Jonas
85 Scirocco 2.0
78 Scirocco 1.8
90 Audi Coupe Quattro 20v



On 11/21/01 8:21 AM, "Jeff Toomasson" <jtoomasson@yahoo.com> wrote:

> Back in the day, I saw an article in European Car
> where a guy simply installed two head gaskets, one on
> top of the other, to lower compression for his turbo
> installation. Is this a safe practice? Has anyone had
> experience with this?
> 
> Leaning slightly more towards forced aspiration every
> day,
> 
> JT
> 
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