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Re: Cylinder ignition temperatures

Subject: Re: Cylinder ignition temperatures
by mcgee on 2016/1/27 11:29:05

I've read that rich mixtures can also cause high temperatures due to them still burning later in the piston cycle. I guess there are a number of theories out there and I have not explored them with any depth.
Anyway, I've just added a EGT sensor to my CA18 but the log I have is on part throttle and low boost (~12psi) running on the track prior to engine tune. Engine is not stock and I wasn't leaning on it but temps were between 600 and 830Deg C on the track.
AFR was pretty rich at 0.8-0.83 under acceleration and EGT sat in the low 800Deg C.
If you want more details let me know.