Silver Ninety Three

I went up to KD Rotary today. After sorting out why my boost controller wasn't working (wire broke) Dave strapped her to the dyno and started tuning. He did 20 pulls in all. The first bunch involved taking fuel out of the midrange and making sure the top end didn't lean out. They were done at 10 psi, and I made about 320 hp once it was properly tuned. After some time to cool down, it was time to have some fun. Dave turned up the boost to 15 psi, and put down 427.7 hp. It was almost right. Dave tweaked it a little more and on the next run we put down 430.8 hp and 332.2 lb/ft or torque. Boost spiked to about 17 psi initially and then held at 15-15.5 psi. I was very impressed, as I was hoping to make 400. I guess this shows the difference that a big street port can do. This was on Sunoco 94 octane pump gas. Dave said I'm at about the limit of my stock ignition system, and there maybe 4-5 hp to gain with something like a twinpower. Once I get the ignition and a 3 bar map sensor I plan to dyno at 20 psi or more on race gas. Basically I want to hit 500 hp. Overall I am very happy with the turbo. I got it for hundreds less than something else comparable thats out there. It spools very fast, almost like stock twins in my opinion. If you are in the correct gear, there is no lag. I eyed my rpm and boost briefly on my drive home. I remember seeing 15 psi around 3500 rpm or so In 4th gear when I got on it from maybe a 65-70 mph roll. I fooled around a bit on the highway, playing with the boost, and turned down the balance a bit to reduce spiking. I put the car away for the rest of the night because it started to drizzle. Hopefully it will be nicer tomorrow so I can do more testing.

Silver Ninety Three

Here's a list of my related mods:



KDR monster street port (told him the biggest he can go)

3mm seals, silicone coolant seals, reliability mods

Garret GT 35/40 1.06 a/r

Apexi Power FC

Greddy Profec B

K2RD fuel rail with 1600cc secondaries

SX fpr

Cosmo pump

Greddy 2 row front mount

Mazdacomp radiator

probably forgetting something else

Greddy elbow

SR resonated midpipe

Greddy SP catback

Silver Ninety Three

the dyno sheet

j9fd3s

wow, thats a lot of power.



mike

vosko

congrats!! can't wait to see how much i dyno

13BAce

Yeah, those are great numbers. It makes me wonder if I should have gotten that kit instead of my crazy idea. That reminds me: I need to take pictures.

j9fd3s

yah we still don't know what your crazy idea is



mike

Viper1308

Where did you get the turbo?

Silver Ninety Three

I got it from Tim at the RPM Performance Center before A-Spec Tuning became the US distributor.

13BAce

I'll let you know after I take some pictures. It should work out pretty well, but I want to take my time. I also decided that I should buy a 2nd car before I start just in case it takes longer than I plan.