what are you using for fuel? are you adding any octane? That does that.




"JustSayGo" > wrote in message
...
>
> Unburned fuel in the exhaust will cause the exhaust to glow even without
> AIR. Retarded timing or crossed plug wires will leave unburned fuel in
> the exhaust. jeffcoslacker and his pyrometer are also accurate as far
> as combustion temp and fuel ratio. What you have is a fire inside the
> exhaust. AIR will make the exhaust even hotter becuase of fresh O2
> supplied to the unburned fuel in the exhaust. After all, that is
> exactly what AIR is designed to accomplish.
>
>
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> JustSayGo
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