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We noticed a massive increase in midrange switching from PowerFC to Nistune (same tuner) on an S15. Nistune is ftw.

should be no "real" difference, but ultimately there will be a smidge unless you swap each timing mark across and load point exactly (same with fuelling).

We have done a few swaps between the two as well and to TBH its around 50 / 50 and always within a smidge of each other.

bout the only ecu i find has bigger variances is the Microtech due to the way it manages timing in the software.

Getting Nistune(d) by Trent this Saturday... Can't wait!!!!!!!!

Had a mate go to Chasers (Paul) last week and he seems to be happy with his tune. Though I've heard more bad about Chasers as well. Never heard a bad thing about Trent and his tuning abilities :D

Edited by blk15
should be no "real" difference, but ultimately there will be a smidge unless you swap each timing mark across and load point exactly (same with fuelling).

We have done a few swaps between the two as well and to TBH its around 50 / 50 and always within a smidge of each other.

bout the only ecu i find has bigger variances is the Microtech due to the way it manages timing in the software.

We had three different tuners tune the PowerFC on the S15 - Rob @ Sabaddin, Sam @ Dr Drift & yourself. No-one got it right. You might remember the car - stock looking white jap-spec S15 - made 245rwkw. A bit's changed now though.

Now with the Nistune is runs like a factory car. Cold start is perfect, return to idle after backing off throttle is perfect. The car's also making more peak power on the same boost. Why was the PowerFC so bad? It used to idle hunt like crazy, cold start was terrible, return to idle was terrible. That's all gone. Unless it was just a 'bad' PowerFC, I would never go near one on an SR. That goes for all the DET-conversion Pulsars I've been around with PowerFC's as well, same rubbish idle.

We had three different tuners tune the PowerFC on the S15 - Rob @ Sabaddin, Sam @ Dr Drift & yourself. No-one got it right. You might remember the car - stock looking white jap-spec S15 - made 245rwkw. A bit's changed now though.

Now with the Nistune is runs like a factory car. Cold start is perfect, return to idle after backing off throttle is perfect. The car's also making more peak power on the same boost. Why was the PowerFC so bad? It used to idle hunt like crazy, cold start was terrible, return to idle was terrible. That's all gone. Unless it was just a 'bad' PowerFC, I would never go near one on an SR. That goes for all the DET-conversion Pulsars I've been around with PowerFC's as well, same rubbish idle.

Yeah i do remember now, just after we opened it had a real bad case of PFC 'itis.

Most of the rubbish idles on pfc's are cause of the intake pipe and afm position..... but some pfc's dont care either way.. its weird, i think build number has a lot to do with it as the early serial numbers are way worse.

eep i hope my rb26 doesnt do that bad idle when i get pfc on :(

getting my exhaust on today.. cam gears / service done by GT hyper then i'll give you a call Trent :thumbsup:

Its an SR20 thing :P turbo snout and airbox are too close and custom intakes pipes create bad reversion older version PFC's hate it.

Car got tuned @ Status today!!! Very friendly/helpful, would definitely recommend them. Below are the results:

Year/Model: 01 Spec S (adm)

Engine/Size: 2.0 SR20DET

Turbo: t28 bush bearing

Power @ boost level: 185rwkw @ 15psi

Torque: 362.5 Nm

ECU: Nistune

Modifications: gktech fmic, fujitsubo exhaust, apexi intake, walbro fuel pump, turbotech mbc

My car initially made 162rwkw @ 14psi but was pinging its head off @ 14.5 AFR (massive black smoke at end of exhaust). I was really shocked and worried as trent could see.

But all is good now with the tune, sits nicely at 12AFR though the coilpacks are on the way out...

scan0002.jpg

scan0001.jpg

You can see it pinging (red)

Car now drives extremely smooth especially down low where it felt like a slug previously. Love the pull at around 3500rpm.

Thanks Trent for saving my engine :D

Edited by blk15
tbh the big thing for me is that Trent is a regular poster on the forums, and is happy to offer free advice, not saying anything bad about anyone else, but that shows a real commitment to customer service.

so when are you coming down from outerspace to get a tune?

meh im still sorting out whether I'll need a replacement dump pipe, gotta get AFM, new intercooler kit to fix up the boost leaks, and then I should be ready to get some Nistune love happening (i did have an insane thought of getting the Microtech retuned but yeah nah).

Don't think I'll be driving it from here to Melb again either lol (roads are like a rollercoaster until Bendigo!)

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