i thought the gas was street gas. calif 91 to be exact.you are right it is detonation that the issue at hand. 100 octane obviously pushes that out.i meant with street gas, 15psi is about what i've seen run safely.
-------- Original Message --------
Subject: Re: Stock 1.6l w/FM2 kit, mechanical limits with regard to
boost and advance?
From: miata@???
Date: Tue, July 27, 2010 7:43 pm
To: Alpinaturbo <alpinaturbo@???>
Cc: "<chris@???>" <chris@???>,
MataPowerList <miatapower@???>
I am the buyer of his car, he was running water injection as well.
Regards,
Vito Caputo
On Tue, Jul 27, 2010 at 07:41:19PM -0700, Alpinaturbo wrote:
> Dear friend Mike Shapiro ran 1.6 for years and tens of thousands of miles, selling eventually the car/no failure, at 18-20psi running 100 octane and advanced timing.
> Many on M.net have done it, data is available, just search.
> No need to take any opinion for guidance, look for owner feedback with data points to build a case for forming an informed belief.
>
> Sent from my iPhone
>
> On Jul 27, 2010, at 7:01 PM, <chris@???> wrote:
>
> > i been following this since Christ was a corporal, and a properly tuned 15psi has always been the safe limit that I have heard of. on a 1.6 thats about 220rwhp.
> >
> > these normally durable engines are very unforgiving of detonation under boost.
> >
> > a set of low comp pistons and better rods really pays off if you can sustain the cost of those and a rebuild.
> >
> >
> > -------- Original Message --------
> > Subject: Re: Stock 1.6l w/FM2 kit, mechanical limits with regard to
> > boost and advance?
> > From: Alpinaturbo <alpinaturbo@???>
> > Date: Tue, July 27, 2010 6:49 pm
> > To: "ian@???" <ian@???>
> > Cc: "miatapower@???" <miatapower@???>
> >
> > Ian
> >
> > 1.6 does not generate torque and this rod breaking stress like 99 and up 1.8
> >
> > I am confident into 18psi on stock 1.6 w/t28 maximized on e85
> >
> > Sent from my iPhone
> >
> > On Jul 27, 2010, at 6:39 PM, Ian McCloghrie <ian@???> wrote:
> >
> > > On Jul 27, 2010 miata@??? wrote:
> > >> My question is what are the safe limits of boost and ignition advance
> > >> one can run when there's enough octane to not knock? When do the rods
> > >> and/or pistons give up on the stock 1.6l?
> > >
> > > The general feeling seems to be that once you start exceeding 250 rwhp
> > > (at stock rev limit) you should worry about the life of your rods.
> > >
> > > Not sure about pistons -- most failures of those that I've seen on the
> > > net seem to be head/detonation-related, rather than power.
> > >
> > > --Ian
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