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Tomei air fuel gague

matixx

By matixx,
in Engines & Forced Induction

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Lunatic Dancer Collaborator

Lunatic Dancer

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10 is quite rich, alot of ppl say that 12.5 is about 'perfect' for our turbo cars...higher than that would be getting bit too lean...

when mine was dynoed it was hitting 12.5 at 5k+ and when i get my pfc i'd try to get it tuned to 12 just to be safe..

also remember to have correct timing.....wrong timing with a/f of 10 would be prone to detonation....(im pretty sure)

matixx Enthusiast

matixx

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Yes I found this out the hard way. tinkering japs had chipped the ecu (mines) and must have advanced the timing too much, cause she blew the ends off the spark plugs and compression is down to as low as sixty in some cylinders. oh well rebuild is nearly finished and aftermarket turbo gives me a good excuse to replace mines ecu with pwr fc. might have to keep the mixtures closer to the 12 mark hey...

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