Spark plug pic's

[Shannen Durphey]

I listened to a completely stock 2000 Mustang v-6 making dyno runs last week. 
There was audible knock through each and every run.  Owner's manual says 87
Octane fuel is recommended.

Shannen

Bruce wrote:
> 
> If you can actually hear pinging, on a newer car, there is a huge problem.
> Up the octane level a few notchs, if your wanting to keep the car.
> Not all detonation, is audible.  You can run trace, and tip in detonation,
> and never know it.  Do you know what detonation detection strategy Toyo
> uses?.
> Bruce
> 
> From: "Stephen Webb" <swebb at netlab.uky.edu>
> Subject: Re: Spark plug pic's
> > > What gas, and what engine are these out of?.
> > It's a 91 toyota corolla, 1.6 dohc I think.  Mostly highway driving, and
> > certainly 87 octane fuel.  I never noticed audible pinging when I drove
> > it.
> > -Steve
> 
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