[Diy_efi] Ion Sensing project-

[Bruce]

There was an outfit, that did the piezioelectric retrofit to plugs, $400-600
per plug, and you had to supply the plug.   Rumor had it they sold
polyurethane suspension bushings for Triumph Heralds.
Bruce


----- Original Message -----
From: "William Shurvinton" <shurvinton at orange.net>
To: <diy_efi at diy-efi.org>
Sent: Friday, July 05, 2002 3:10 PM
Subject: Re: [Diy_efi] Ion Sensing project-


> You can by head gaskets that are full of fibre optics, and fibre optic
spark
> plugs, a bit like a 21st century colourtune. Slightly costly for the
DIY-er
> I suspect. However there is one aviation ECU manufacturer who has the
fibre
> fitted spark plugs. Haven't dared ask the price
>
> Bill
> ----- Original Message -----
> From: AnalogWz at aol.com
> How about a "strain gauge head-bolt washer" to directly measure cyl
> pressure?
>
> Jim



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