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windsor J3 mafless tune 

 

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 Post subject: windsor J3 mafless tune
Posted: Wed Apr 23, 2014 9:44 am 
Stock as a Rock
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Posts: 149

Joined: 28th Sep 2007

Power: 192 rwkw

Location: kadina
SA, Australia

thought of you guys might be interested in this. ive got my ed sprint running perfectly off a tps/rpm based tune via j3. took a while and help from a smart mate but all the bugs are ironed out now. the afrs are more consistent than the maf based tune due to the x/y nature of the mapping rather than X airflow requires X fueling maf style. economy around town is much improved because i now have 14-1 afr low in the rev range in open loop below 90% throttle. where as with the maf its 12.5-1 from 20% throttle up and cannot be changed without going too lean at WOT.
its more responsive and much smoother to drive without the big transition from closed loop 14.7-1 to open loop 12.5-1 at 20% throttle
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 Post subject: Re: windsor J3 mafless tune
Posted: Wed Apr 23, 2014 11:31 am 
Getting Side Ways
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Posts: 2448

Joined: 5th Nov 2004

Gallery: 7 images

Location: Brisbane
QLD, Australia

Very nice work!
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