What about the valve releif for the Pistons?
At 10:30 13/10/2000 +1000, you wrote:
>Hi Errol
>
>The only reason I thought of decking the block was because the first motor
>Datrally built for me, Les decked my L20B block 100 thou to get the
>compression up.... and there was plenty of meat left around the water
>galleries in the block and it never gave me any trouble....
>
>The dish Vol of the Starion pistons is 18cc
>with the 18cc and the PDH of 3.55mm below you should get around 6.4:1
>I think 80 thou off the block should do it just nicely..... it would drop the
>PDH to 1.55mm... making for a much nicer ratio of around 7.2:1
>
>BTW. if you take a standard L20b (with standard L20B pistons etc) and bolt
>a Z18 head to it you end up with around 8.4:1 (getting a bit high, but with
>full management computer and Big intercooler it would probably be ok)
>
>another combo I think would possibly be workable...
>L20B block + Z22 crank + L20B rods + 85mm starion pistons
>= PDH of 0.55mm (below) and a total capacity of 2088.2cc
>and a ratio of around 8.16:1
>If you used 86mm starion pistons you would end up with 2137.64cc
>and around 8.32:1 .... getting a bit high again but with full management and
>big intercooler.... it would be a torquey little sucker :)
>
>
>Cya
>JamesF
--membersozdat-------------------------------------------------------
OZDAT Mailing List Please Note:-
Send (un)subscribe requests to [EMAIL PROTECTED]
Send submissions to [EMAIL PROTECTED]
No unauthorised redistribution of this email
http://www.ozdat.com/ozdatonline/index.htm
http://www.ozdat.com/ozdatonline/listindex.html
http://www.mail-archive.com/[email protected]/
---------------------------------------------------------------------
