AFR's?
Hi guys,
anyone share what AFR's they are getting on hard acceleration? Will have my wideband and logger in the car soon and would like dome comparisons. I have a 97 2.5, but happy to hear any results. Sam |
Anyone? 12.5 under hard acceleration maybe?
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I've tuned for 12.3-12.5s cruise you will see 14.6 as for were in closed loop. I hope this helps you.
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Quote:
12.3 seems a bit rich for steady cruise in an NA car. Is your fuel economy suffering? I tune motorcycles and generally mid 13's are preferred. Throttle response is good and fuel economy isnt terrible at that range. The stock target of 14.6-14.7 is good for economy of course but doesnt give the best throttle response. The surging you get at this lean of a ratio is pronounced on a bike, but its harder to feel in a car. I wonder if leaning it out a bit to 13.5-13.7 would help you get some mileage back without sacrificing drivability. |
Manolo...
That came across wrong.. The car is tuned for 12.3-12.5 wot. Its at 14.6 cruise. 14.6 is a factory preset or there about. Thanks for the concern though. But I am with you on the numbers. |
I was wondering how you got past the stock closed loop target!!!
I've been thinking of doing something to tune open loop just for ****************s a giggles. Maybe a piggyback device like youre using. |
You can't get around the closed loop. I just tne wot
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Finally got my wideband setup going, seems I am running leaner than expected. Cruise is high 14's low and maybe mid 15's. I have no error codes though, should I be worried?
Sam |
At cruise that is where it is supposed to be. What are you at on full throttlle in 3 rd?
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Yep - finally got around to doing a power run and yes, high 12's to low 13's at WOT.
Cheers, Sam |
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