MRA mini's do a hybrid head gasket for this convertion
Have to PM martin though as it is not on the site ^^

12g295 Head Onto A 998
Started by
jinjrich
, Mar 04 2011 09:02 PM
20 replies to this topic
#16
Posted 05 March 2011 - 09:39 AM
#17
Posted 05 March 2011 - 10:15 AM
Thanks for all the replies. This is unknown territory for me, so struggling a bit. Whats a good compression ratio to aim for?
#18
Posted 05 March 2011 - 10:36 AM
I aimed for 10:1 which I think it correct, I'm sure someone will confirm or change me.
#19
Posted 05 March 2011 - 10:57 AM
I aimed for 10:1 which I think it correct, I'm sure someone will confirm or change me.
Im aiming for 10:1
metro runs that

but im over boreing mine
#20
Posted 05 March 2011 - 12:55 PM
Yeah on a hot 998 you want about 9.5:1 - 10.5:1

#21
Posted 05 March 2011 - 04:34 PM
Keep under 10:1 a little if you intend to use unleaded.
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