Performance Questions. 16v CHEAP!

[roclist@accessconsulting.ca (Jason Adams)]

So what thickness would one need to lower a stock 1.8 16v (1987) to ~8.5 -
9.0:1, Thinking turbo application here?


Jason Adams
Fahrvergnugen Forever! ;)
84 rocco 16v
93 320i
98 Z71

----- Original Message -----
From: "Ron Pieper" <rapieper@yahoo.com>
To: "Brian McGarvey" <brianm@earendel.org>; "BoxOParts"
<bhonnold@pac-cap.com>
Cc: <scirocco-l@scirocco.org>
Sent: Sunday, February 09, 2003 2:40 AM
Subject: RE: Performance Questions. 16v CHEAP!


> http://www.headgasket.com/
>
> Any thickness you want down to 0.022"  That's more or less as thick as
> your thumbnail.  For comparison, a stock, composite uncompressed
> headgasket is 0.075" - I just measured one.  I would SWAG that the
> stock gasket compresses 40% tops, that's 0.030", or still 0.008"
> thicker than the thinnest copper.
>
> Anyone got a used stock headgasket around to measure, for a reality
> check on its compressed thickness?
>
> Ron
>
> --- Brian McGarvey <brianm@earendel.org> wrote:
> > Brian,
> > You got me seriously interested, cause we have to buy a headgasket
> > anyways. Tell me more about using a Cu headgasket. who to buy from
> > etc.
> > Brian
> >
> > On Sat, 8 Feb 2003, BoxOParts wrote:
> >
> > > Yo yo yo
> > >
> > > What about simply using a very thin copper reusable headgasket?
> > >
> > > If you went with a 1.5mm gasket you could pick up 1 compression
> > point I
> > > think.
> > >
> > >
> > > B
> > >
> > > -----Original Message-----
> > > From: scirocco-l-admin@scirocco.org
> > > [mailto:scirocco-l-admin@scirocco.org] On Behalf Of Brian McGarvey
> > > Sent: Saturday, February 08, 2003 3:02 PM
> > > To: scirocco-l@scirocco.org
> > > Subject: Performance Questions. 16v CHEAP!
> > >
> > > Ok.
> > > the GRM car is reaching the end of the budget train.
> > > We want to increase the compression (looking for 11.5:1 or 12:1)
> > > Choices:
> > > Deck snot out of head
> > > Deck snot out of block
> > >   We cant afford to do both. We'd like to raise the compression
> > using
> > > stock internal parts. this is a 2.0L 16v head and block.
> > alternatively
> > > we
> > > could do a 1.8 16v head. This is our last choice as that splits the
> > > spare
> > > engine. And parts are required fro re-assembly.
> > >
> > > If the budget allows from the above regrind of stock cams to a
> > 272/268
> > > profile. With the above modification and STOCK valvesprings will
> > this
> > > work?
> > >
> > > Is there a better combination
> > > Plan:
> > > 2.0L 16v, 11.5:1, 100HP n20 port injected, extra fuel injected via
> > 2nd
> > > fuel rail and custom EFI controller, extra water/alcohol injection
> > same
> > > method, and custom variable n2o injection controled the same way.
> > > Ignition
> > > will be retarded/remapped under nitrous and normal operation for
> > max hp.
> > >
> > > Thanks for the help.
> > >
> > >
> > >
> > >
> >
> > --
> > -------------------------------------------------------------
> > Brian
> > 88 16v $2003 GRM challenge car http://www.grmotorsports.com
> > 84 0v Next years car got parts?
> > 82 2.0L Topless bunny -- Knock Ignition and bigger clutch. next.
> > 90 90q20v doing daily driver duty.
> > 91 VFR750F everybody needs a 11-12 sec vehicle.
> >
> > Contact method. Email me for AIM, ICQ, YahooIM, IRC, etc.
> > -------------------------------------------------------------
> >
> >
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>
>
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