RE: lowering compression ratio for turbo

["BHonnold" <bhonnold@pac-cap.com>]

Yes, that is the easiest way to lower compression.  Basically you sandwich a
copper shim like 1-2mm thick between two stock gaskets.

The best way to do it is to go with forged pistons, have your existing
pistons machined or to use a thick copper HG from www.headgaskets.com or
other maker.

As with any turbo, use ARP headstuds and start with low compression then
work up as you learn to tune the car.

Brian H

-----Original Message-----
From: owner-scirocco-l@scirocco.org
[mailto:owner-scirocco-l@scirocco.org]On Behalf Of Jeff Toomasson
Sent: Wednesday, November 21, 2001 8:22 AM
To: scirocco-l@scirocco.org
Subject: lowering compression ratio for turbo


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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