Audi 3A block, ABA head. Compression ratio?

[mk1vw]

I'm putting an ABA head on a 3A block.
Anyone know what the resulting compression ratio will be?
If it's high like 10 or 11:1, what is best way to get it down?
Stack MLS gaskets or use a head spacer?
If just gaskets, how many?

[ps2375]

I don't know what the 3A head looks like, but if it is anything like the other 8V counterflow heads, the CR should be near the same as stock.

[Prof315]

I'm putting an ABA head on a 3A block.
Anyone know what the resulting compression ratio will be?
If it's high like 10 or 11:1, what is best way to get it down?
Stack MLS gaskets or use a head spacer?
If just gaskets, how many?

What's stock compression on a 3A? how many cc's is the stock 3A head?

[mk1vw]

comp is 10.5:1 according to this:
http://www.not2fast.com/vw/stuff/vw_engines.shtml
can't find info on 3A chamber size.

i don't have the equipment or experience to cc the chamber, piston dish and quench area of my combo.
guess with just keep looking.

[Prof315]

comp is 10.5:1 according to this:
http://www.not2fast.com/vw/stuff/vw_engines.shtml
can't find info on 3A chamber size.

i don't have the equipment or experience to cc the chamber, piston dish and quench area of my combo.
guess with just keep looking.

If the info in the link is correct a 3A with an ABA head will wind up about 10 to 1 maybe a touch lower.

[mk1vw]

so then with one of these
http://www.bahnbrenner.com/vw_audi/p...ead_Gasket_ABA

I should be good for 15psi intercooled and megasquirted with 30lb injectors?

[Prof315]

so then with one of these
http://www.bahnbrenner.com/vw_audi/p...ead_Gasket_ABA

I should be good for 15psi intercooled and megasquirted with 30lb injectors?

Yeah that will work. That set up is good for ~ 225-250whp then you run out of injector.

[mk1vw]

that's cool.
this will be plenty in a MK2 Golf.
pushing the limits of the 020 at that point anyway.