SAFC, and soon injectors and an FPR. Noone has cracked the ECU so I can't scale the fuel tables for larger injectors, but I can drop the base fuel pressure to change how much fuel I have to pull to tune with the SAFC. MAF scewing changes the "load cell" the ECU uses, and to some extent timing, so the less correction I have to add or subtract, the better as far as the small timing changes that happen with it.

The blow through is good on THIS car for a few reasons.

1. Accuracy. The air intake temp sensor is made into the MAF sensor, so I'd rather the ECU compensate for the intake temps that the motor is actually seeing, rather than for air that has been comperssed, heated, cooled down, and was actually metered 6+ feet from the intake. The ricer in me wants an atmospheric BOV, but building a turbo for a car with almost no part support takes you out of the ricer catagory doesn't it?

2. The sensor won't max out untill about 15PSI, but the stock motor will blow at about 12.5 so I got some room. The SAFC corrections are allways pulling fuel so I could allways put the sensor in a larger housing to allow for a little more flow before it maxes out, and in the process get the corrections closer to 0. But I don't foresee building the motor anytime soon so it's not an issue.

3. On throttle lifts the ECU cuts fuel anyway, emissions, so it leans out but only momentarily, it did that N/A.

4. I could use a stand alone or a complex piggy back, but timing isn't a tuning safty issue, AFRs are the main issue. The ECU has VERY extended fuel and timimg maps, almost like it was mapped for forced induction, it takes it like a champ. Untuned I was running 11.9, I leaned it out to near 12.5 (I need to do some long highway pulls to fine tune it). SAFCs are supporting 300+ WHP with no real issues, so untill I really need to go that route I'm going to avoid it. Right now I'm only running a 3.6 PSI wastegate spring, so I'm way out of the turbos effficenty range, and I'm running the stock 2" mid pipe (see below), but it still pulls like a champ.

5. My initial goal was to boost it for under $1000, I spent $1052, the second grand will get me; 2.5" exhaust, clutch, MAP sensor for data logger and SAFC, guages, exhaust parts to recirc the waste gate, heat wrap and shield, injectors, FPR, a few other odds and ends, and some dyno charts. I hope to start doing more fab work to pay for it, and get 2 more rims, AVCR, and some drag radials. The only thing I couldn't do was WELD the aluminum IC pipes, but I cut, fitted, designed, and mocked them for my friend Shane to weld (boosted elements...shameless plug). I did all the other welding and fab.

I went through about every option, compared, researched, and what I went with is right for my goals and this car.

This is a little data logging I did (I recomend this logger, $279 can bo a fraction of what a good dyno tuning session costs), eventually I'm going to add the MAP sensor and convert my SAFC to use MAP voltage insted of TPS, again accuracy.