RE: lowering compression ratio for turbo

["Fry, Larry" <LEF@chem-tronics.com>]

I'd be uneasy too. 
 IMHO, there's not much chance of an aftermarket turbo ever being a daily
driver.  Certainly not during the turbo installation and the following
weeks/months of de-bugging.  
Deciding between a proven path (traditional bolt-ons) that, by definition,
has been done over and over, and the wild setup that will drop jaws and
maybe even work, is a tough one. We have to ask ourselves,"How much
time/money am I willing to invest?"  Whether we like it or not, the ego also
enters in at some point. 

Y'all have a good Thanksgiving, hear?

Larry  sandiego16V



-----Original Message-----
From: Jeff Toomasson [mailto:jtoomasson@yahoo.com]
Sent: Wednesday, November 21, 2001 10:13 AM
To: Jonas K.; scirocco list
Subject: Re: lowering compression ratio for turbo


I have 9A 2.0 block (mileage to low to justify ripping
it apart) sitting in my carport begging me to do
something, anything with it. Need to sell my M3 for
funds before I can afford to do anything though.

I'm just still struggling with the dilemma of going
with the "traditional" bolt-on's or do something
that'll turn heads. The idea of having to feel my way
through tuning a turbo'ed system makes me slightly
uneasy - it's supposed to be a daily driver....(Please
pardon the whine)...

Happy Turkey Day, everyone!  JT
--- "Jonas K." <jkarlsso@metabolex.com> wrote:
> 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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