Boosted Performance V 2.0 turbo list

TopgunZ · 12-11-2014, 08:16 AM

Good comparison write up Jwick!

The only one I am curious about is the hiccup at idle you speak of. I have never noticed it. Not saying it isn't there, just never noticed it.

One thing you left out is price. The ST will cost a couple thousand less than twins.

jwick · 12-11-2014, 09:48 AM

Quote:

Originally Posted by TopgunZ

Good comparison write up Jwick!

The only one I am curious about is the hiccup at idle you speak of. I have never noticed it. Not saying it isn't there, just never noticed it.

One thing you left out is price. The ST will cost a couple thousand less than twins.

Good point. There is a couple thousand savings with a ST kit.

The idle hiccup is something that I thought all the guys that eliminated the PCV system were having. I know Mitch, Gale and I have had long discussions about it. If you aren't having it I'd be real interested to understand what your tuner did to eliminate it. It was part of my base map (R/T Tuning), my custom tune and Mitch has it and he tunes himself. Basically when I come up to a stop light/sign and a complete stop the car will drop a couple hundred RPMS, go way lean (16-17 AFR) and then pretty rich (12-13), then it stabilizes itself.

TopgunZ · 12-11-2014, 09:58 AM

Quote:

Originally Posted by jwick

Good point. There is a couple thousand savings with a ST kit.

The idle hiccup is something that I thought all the guys that eliminated the PCV system were having. I know Mitch, Gale and I have had long discussions about it. If you aren't having it I'd be real interested to understand what your tuner did to eliminate it. It was part of my base map (R/T Tuning), my custom tune and Mitch has it and he tunes himself. Basically when I come up to a stop light/sign and a complete stop the car will drop a couple hundred RPMS, go way lean (16-17 AFR) and then pretty rich (12-13), then it stabilizes itself.

Maybe its my E85 tune that tuned it out. Not sure. But I had that hiccup really bad with my old Utec EMS. It was annoying.

I am also on ID1000's. Could be something there as well.

Are hot starts an issue at all? Does it take a bit more cranking?

jwick · 12-11-2014, 10:04 AM

Quote:

Originally Posted by TopgunZ

Maybe its my E85 tune that tuned it out. Not sure. But I had that hiccup really bad with my old Utec EMS. It was annoying.

I am also on ID1000's. Could be something there as well.

Are hot starts an issue at all? Does it take a bit more cranking?

No starting issues at all. I'm convinced that the ECU is expecting crankcase gases to be recycled into the intake. By venting that PCV I think it stumbles slightly expecting a little bit of rich air that doesn't come in. Of course it could be the other direction and when the crank case goes high vacuum it sucks in a bunch of unmetered air. I'm grasping at straws and I'm not a tuner

It's very minor these days but it's still there. My idle cleaned up a ton when I pull the post-cat O2s complete out.

TopgunZ · 12-11-2014, 10:26 AM

Quote:

Originally Posted by jwick

No starting issues at all. I'm convinced that the ECU is expecting crankcase gases to be recycled into the intake. By venting that PCV I think it stumbles slightly expecting a little bit of rich air that doesn't come in. Of course it could be the other direction and when the crank case goes high vacuum it sucks in a bunch of unmetered air. I'm grasping at straws and I'm not a tuner

It's very minor these days but it's still there. My idle cleaned up a ton when I pull the post-cat O2s complete out.

Are you able to keep the CEL cleared off after the O2 deletes?

jwick · 12-11-2014, 10:27 AM

Quote:

Originally Posted by TopgunZ

Are you able to keep the CEL cleared off after the O2 deletes?

It never showed up. Now in all fairness I've only been running that way for about 25-30 miles. I'm thinking my tuner removed that code when he tuned it.

Cell · 12-11-2014, 04:57 PM

Quote:

Originally Posted by jwick

Good point. There is a couple thousand savings with a ST kit.

The idle hiccup is something that I thought all the guys that eliminated the PCV system were having. I know Mitch, Gale and I have had long discussions about it. If you aren't having it I'd be real interested to understand what your tuner did to eliminate it. It was part of my base map (R/T Tuning), my custom tune and Mitch has it and he tunes himself. Basically when I come up to a stop light/sign and a complete stop the car will drop a couple hundred RPMS, go way lean (16-17 AFR) and then pretty rich (12-13), then it stabilizes itself.

My tuner tuned it out. I don't have that problem.

jwick · 12-11-2014, 05:46 PM

Quote:

Originally Posted by Cell

My tuner tuned it out. I don't have that problem.

Who's your tuner?

Cell · 12-11-2014, 08:59 PM

Quote:

Originally Posted by jwick

Who's your tuner?

Eli at Project X Customs.

jwick · 12-12-2014, 06:47 AM

Quote:

Originally Posted by Cell

Eli at Project X Customs.

Never heard of him.

Just out of curiosity, did you have the described hiccup on the base map?

12-11-2014, 08:16 AM	#1 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6833	Good comparison write up Jwick! The only one I am curious about is the hiccup at idle you speak of. I have never noticed it. Not saying it isn't there, just never noticed it. One thing you left out is price. The ST will cost a couple thousand less than twins. jwick likes this. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

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