Re: audi 2.0 head

[VWMikeLVW@aol.com]

In a message dated 1/15/01 3:00:42 AM Pacific Standard Time, 
ewanhopkins@hotmail.com writes:


> From a practical point of view, there is little difference between the audi 
> & VW-CIS head - the audi is CIS, albeit with a motronic ECU, and the VW CIS 
> injectors are plug'n'play.   The audi manifold, which you would have to use 
> if you keep the audi head, has bigger runners (AFAIK) and the bigger bore 
> throttle bodies are a striaght bolt-on, no porting necessary.  The only 
> thing I'm not sure about is the head profile, i.e. would putting a standard 
> VW head drop the compression? If you are running CIS without knock sensors 
> this would probably be beneficial as they are prone to pinking otherwise.


Compression with the VW head is supposed to be 10:1. With the Audi head it is 
10.8:1.

Mike
http://www.geocities.com/vwmikel
'84-Arkay Turbo Rabbit GTI
'84-Rabbit GTI - uh.....
'77-Rabbit - project
'80-Scirocco S - (um... to be:1.9L crossflow, turbo, 6 speed, widebody?)