A/F tunning (jwt ecu w/s-afc)

[rn240sx]

Anyone out there running a jwt ecu setup and added the s-afc for extra fine tunning..???How was the a/f mixture on the jwt ecu..??If it was RICH, and u fine tunned it via the s-afc, how many extra ponies did u gain in comparisson with that $300 investment..??

ThanksRobert

[MarkEmark]

Bump for you, I'm curious as well.

Instead of going the $300 S-AFC route + the hassle of installation and adjustment (I'm scared of having so much adjustability), I'm getting an aftermarket FPR and lowering the fuel pressure to lean it out-and will be doing this on a dyno, of course.

[C-Kwik]

It depends on a lot of factors. How rich is it running? How lean can you go before you start detonating? I probably wouldn't expect a huge gain though.

[silviamaniac]

Just a reference:

my buddy has a jwt on sentra SE-R with a s-afc. JWT a/f is way too rich, we can choke to death with the garage door shut.

The only gain with S-afc was better mixture (no smoke come ouf from exhaust when idle and normal driving), and to have us survive from choking with the garage door shut HAHAHHAAH