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From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [FlyRotary]Re: 13B for sale
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Posted for "Martin" <wankel@telia.com>:

Thanks Tracy !

That was what I was trying to say, but my English isn't that good.

/Martin

> "Tracy Crook" <lors01@msn.com> wrote:
>
> Mazda had a good reason for making the trailing plug hole smaller.  The
> differential chamber pressure between two adjacent rotor chambers is at
its
> greatest when the apex seal crosses that hole .  Under certain conditions,
a
> larger hole can cause the 'trailing' chamber to pre-ignite, not a good
> thing.