How do you know you are running lean? If you got a wide band, how lean is it getting while in boost at high RPM?

 

Not all tuners are created equal. Average tuners hate the emanage because piggy backs are a pain. You have to know how to balance emanage stuff with ecu.. Too complicated. The shop I go to for maintenance has a dyno and tuner on site and he won't touch the emanage either.

I'd go Kpro myself. Seems to work better on the s2k's.

 

That's why I don't bother with average tuners who find a piggyback too complicated.

 

Crap, I think I'm going to try the stock FMU + washer and black box first, since I'd have to pay for the Emanage and tuning too. More than I'm wanting to spend at the moment.

 

i'd copy the comptech setup. get a rising-rate fuel pressure regulator and a missing link to hid boost from the stock ecu. it'll work and won't be too costly. a fuel pressure regulator i think goes for $250-$300 and the missing link runs for about $60. add in a used vafc to trim fuel and you have a decent low boost fuel correction system.

 

Save up and do it right the first time. In the long run, it will be cheaper.

 

about the black box do they only clamp the map signal?

 

Vortech uses a rising rate regulator and a MAP sensor voltage clamp, they function the same as a Comptech FMU and ESM. The Vortech also uses a ignition timing controller built by Split Second. The hardware is different, but functions the same as a Comptech SC kit.

No point replacing Vortech parts with Comptech parts that do the same thing.

 

do we know how much timing it pulls?

 

you might be spending more for emanage+tuning but atleast your wont be cutting up your ecu harness, from what i saw on my buddies VTSC kit there was like 15-20 wires to tap into from the block box.

and for the other comments other members posted about not getting a piggyback because certain tuners wont touch a piggyback...their just lazy ass tuners that arent versatile at all IMO.
thats like bringing your Honda Civic to Jiffylube for an oil change and the mechanic tells you they wont do an oil change unless its a Honda S2000...