Re: [tech] 8V high compression blocks

[Dan Bubb <jdbubb@ix.netcom.com>]

If you upgrade to a 2.0 block you will have 10:1 CR and sh!tloads of
torque.
If you install 10:1 CR pistons from a 1.8 you will have 10:1 CR and the
same old 1.8 L displacement for only a marginal increase in
power/torque.
I'm not sure what the actual limit is, but I'd bet that it would be hard
to get higher than 9:1 CR just by milling the head. Then you'd have to
get an adjustable cam sprocket (if you don't already have one) since
milling the head will retard cam timing.
Dan

Sal wrote:
> 
> Guys and gals,
> 
> I was discussing with a friend today about upgrading my present 8V.  I wanna
> bump up the compression.  However, we weren't certain which setup works
> best.
> 
> Presently, my motor is an 8V from a 83 GTI, solid lifter head, 1.8l block.
> Supposedly, there are two routes I can go.
> 
> 1) upgrade to a 2.0l block
> 2) replace my current 1.8l low compression pistons with pistons from a high
> compression motor.
> 
> My friend and I weren't certain whether or not we would get the same results
> with the aforementioned setups. So what would be the results?  Or is better
> just to shave the head and leave the current 1.8l block?
> 
> TIA
> 
> Sal
> 
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