Re: Engine Question (compression vs HP)

[josh Wyte <josh_wyte@yahoo.com>]

Definately stay away from head gasket spacers to lower
compression.  It's a really hokey way of doing things
and invariably causes problems.  Do it the right way
with low compression pistons.

-josh


--- "Langford, Cory" <Cory.Langford@icbc.com> wrote:
> 
> Okay, I need to pick the brain of those who know
> a whole lot more about this than I do.
> 
> Here is the scoop.  I have the Audi 3A engine (which
> will one day
> be finished it's rebuild - soon I hope).  I also am
> still playing 
> with the turbo idea.  Turbo needs 8:1 compression,
> 2L runs 10:1.
> 
> So can anyone tell me the best way to lower
> compression on the 2L?
> 
> Increasing the head gasket is the first thing that
> comes to mind, but
> what are the draw backs of 2 head gaskets, and will
> this have any ill
> affects?  I would think this would be suspect to
> head gaskets leaks
> much easier than the regular system.
> 
> 
> The second question is:  Is it worth lowering the
> compression?  
> I figure a stock JH engine is about 90 horses, the
> 2L 3a is about
> 115 or so.  So lowering the 10:1 to close to 8:1 how
> much HP will
> be lost?  If it is 15 or more horses, it seems like
> a waste.  I 
> will simple stick the 2L into my daily driver and
> rebuild the JH
> in there for the project car.
> 
> I know someone out there knows a whole heck of a lot
> about these 
> type of things.  So rather than doing the usual,
> install it and
> see if it breaks to learn, I had better ask first :)
> 
> TIA
> 
> Cory
> 
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=====
Josh Wyte 
Momentum Motorsports
508-833-3024 After 5 pm EST

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