Egt Temps
#1
I have a 88 T2 with a safc, racingbeat turboback exhaust, and a dynotune EGT gauge which is mounted in my DP right beside my O2 sensor. I am still running my stock injectors, but I do have a 255lph walbro installed. I have my safc going +4% from 3k to 8k on my rpm band,using the hi throttle map, which I have set at 99% throttle posistion. and on my low throttle map I have it set to 0%. Now just crusing down the highway I see egt temps around 650-680 celsius. Now when I goto WOT and boost to about 10psi for about 15 seconds my egt temps go up to like 780 celsius. Now I have done a s5 turbo swap on the car with a ported wastegate, and I am using a autometer a/f gauge which I know isn't the greatest or most reliable way of measuring ones a/f ratio, but the egt gauge I know is. Now the higher the EGT temps the leaner the mixture is right? and lower egt temps mean richer? So is what my temp is reading under boost/WOT ok? I guess is my question.
#5
780 is pretty good. maybe a tad hot. I'd check you timming. and maybe retard it 1-3 degrees from stock since you are using a stock ecu with FCD I presume. that'll bring it down a bit and make it safer.
you probably can't go any higher on the S-afc. you injecters are probably nearing max. but hard to tell.
you probably can't go any higher on the S-afc. you injecters are probably nearing max. but hard to tell.
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