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 <[email protected]>
Date: Tue, July 27, 2010 6:49 pm
To: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
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 <[email protected]> wrote:
> On Jul 27, 2010 [email protected] 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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