Are you sure it was the boost, and not the detonation, that broke the ring lands?
-----Original Message-----
From: mark krawczuk [SMTP:[EMAIL PROTECTED]]
Sent: 20/11/2001 20:48
To: [EMAIL PROTECTED]
Subject: Re: Z18 questions
hi,� steve t are u using factory z18 turbo pistons, what� boost are u running?
�
the ring land below 1st ring� is cracked,� stewart w ralling said that� i was running too much boost (15 lb)
�
�mark k
----- Original Message -----
From: steven.taylor <mailto:[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
Sent: Tuesday, November 20, 2001 8:18 AM
Subject: Re: Z18 questions
Does it have a set of extractors on it or has the stand. exh mani been modified at all?? Is there a water feed running from somewhere into the turbo?? If not , like adam said i doubt its a T25/28 as the stand z18 used a T3 which is a complete diff bolt pattern. They never came out with a T25 from factory....
As for the question of the head ive had my head shaved 2 times on 2 different rebuilds and it still runs up to 20psi no probs on the standard bottom end.As for how much boost you can run that will depend on what injectors are in it and how hot the air is thats getting pumped into it.
As for just bolting a L18 bottom end onto it i dont see any particular point whatsoever. Unless you spend money setting it up to handle a forced induction lifestyle, and then u may aswell of used a z18 bottom end to start with.
As for power mine made around 90kw@wheels@10psi in pretty standard form. 176hp@wheels sounds like a crock of shit/attempted selling point to me.
Steve.
David Costello wrote:
it wasn't my choice to shave the head, they had some problems with it and it was either shave the head or replace it and he didn't have the money at the time..are Z18 head relatively cheap/easy to find cause I'd be looking at replacing it.�also he didn't downgrade from a T3 down to the T28the motor had a T25 on it when it came in from the importers, he upgraded it to a T28.�I can't use a Z22 bottom end cause the car it's going into is only just over 800kg which limits me to a 2L with forced induction.�I have a spare L18 bottom end here, can I just bolt that under the Z18 head, instead of going to the trouble of stripping the current one down to inspect it.�Dave
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