86mm Starion pistons in a Z18 with L16 rods gives 1812cc, 1.705 rod/stroke,
1.10 bore/stroke and 7.5:1 compression
That probably wouldn't be too bad actually, certainly worth the short list I
reckon :) James where were these pistons sourced from? ACL don't list the
Starion ones in their catologue :(
Also if you're still planning on using a roller bearing turbo then the lower
compression might not matter so much since it'll boost well at low revs.
Just some thoughts
- Tom
----- Original Message -----
From: "Daniel Kroehn" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 05, 2001 11:50 AM
Subject: Re: A question of pistons
> Nothing is wrong with them at all James, just the compression ratio may be
a
> tad low for off boost engine response for a streeter, but I haven't rules
> them out yet at all. I don't doubt for one minute that they are more than
> strong enough. I'm just trying to get a bit of a short list of potential
> pistons going and then decide from there. Thnaks heaps for the advice.
>
> Daniel Kroehn
> Recommending Datrats, supplying quality Datsun performance parts
> www.Datrats.com.au
>
>
>
> ----- Original Message -----
> From: jamesf <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, June 05, 2001 11:30 AM
> Subject: Re: A question of pistons
>
>
> > What's wrong with the starion pistons...
> > according to guys who race starions in their Group A days, the standard
> > pistons are good for up to 330 odd hp.
> >
> >
> >
> >
> >
> > Daniel Kroehn wrote:
> >
> > > Yeah the bore is the right size Errol, but I checked the ACL catalogue
> after
> > > Tom's reply last night and sure enought the comp height is 32.10mm on
> the VL
> > > turbo pistons and 38.10mm on standard L18 pistons. So I think I'll
have
> to
> > > do some more searching.
> > >
> > > Daniel Kroehn
> > > Recommending Datrats, supplying quality Datsun performance parts
> > > www.Datrats.com.au
> > >
> > > ----- Original Message -----
> > > From: Errol Smith <[EMAIL PROTECTED]>
> > > To: <[EMAIL PROTECTED]>
> > > Sent: Tuesday, June 05, 2001 7:32 AM
> > > Subject: RE: A question of pistons
> > >
> > > > Daniel,
> > > > The VL turbo pistons are 86mm stock so this is a 1mm overbore for
the
> Z18.
> > > > The comp height is about right though with a bit of the top I am
told.
> > > >
> > > > Cheers
> > > > Feral Errol
> > > > mailto:[EMAIL PROTECTED]
> > > > http://www.datrats.com.au/
> > > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > > [mailto:[EMAIL PROTECTED]]On Behalf Of James Cox
> > > > Sent: Monday, June 04, 2001 6:28 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: A question of pistons
> > > >
> > > >
> > > > Well not surprising, the VL Turbo is a NISSAN motor :)
> > > >
> > > > >
> > > > >List,
> > > > >
> > > > >within the next month I am looking at rebuilding the short motor
for
> my
> > > > >Z-18et project. Someone a while ago mentioned that VL turbo
pistons
> have
> > > > >the same/close to pin height and same bore diameter as stock Z-18et
> ones,
> > > > >can anyone confirm this? I see these as a good piston to use for a
> street
> > > > >car without having to go to the expense of forgies as there is a VL
> turbo
> > > > >running around with 357kW at the back wheels and stock internals!
> Its
> > > been
> > > > >pretty reliable as I understand it. Comments/suggestions would be
> > > greatly
> > > > >appreciated as this is a subject I'm a little hazy on.
> > > >
> > > >
> _________________________________________________________________________
> > > > Get Your Private, Free E-mail from MSN Hotmail at
> http://www.hotmail.com.
> >
> > --
> > ________________________________________________________________________
> >
> > James Fitness
> > Director
> > Data Scribe Australia Pty Ltd
> > http://www.datascribe.com.au
> > Computers and Supplies
> >
> > OZDAT Online
> > http://www.ozdat.com/ozdatonline/index.htm
> >
> >
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