How much is good air worth?

Dave Ribeiro · 11-29-2013, 07:36 PM

Scott,

I think Jeff,Jimmy Jr. & Dave were right on two tenths .. As you know there are many other factors that enter in this discussion .. But, their est. was right on, no sub for experience ... Good Luck testing & write it all down !!

11-30-2013, 09:35 AM

Quote:

Originally Posted by Dave Ribeiro

Scott,

I think Jeff,Jimmy Jr. & Dave were right on two tenths .. As you know there are many other factors that enter in this discussion .. But, their est. was right on, no sub for experience ... Good Luck testing & write it all down !!

Yep, they were right on it! Here we are on Friday ...

After our last TNT pass Friday night the Check Engine Light came on and the codes indicated the oxygen sensors had gone out. We packed it up and came home and will replace those this week.

Scott

Ed Wright · 11-30-2013, 10:59 AM

Any good tuner cam make the O2 sensors have no effect on WOT performance. Or, you could have just unplugged them to finish the weekend.

Chad Rhodes · 11-30-2013, 11:08 AM

Quote:

Originally Posted by Ed Wright

Any good tuner cam make the O2 sensors have no effect on WOT performance. Or, you could have just unplugged them to finish the weekend.

Or gone to the auto parts and just changed em. It's not that hard

Rat Raceway · 11-30-2013, 12:30 PM

Look into getting a speed density tune like Ed said. Hands down the best setup for racing applications. No reason to even have the O2's on board IMO.

I would kill to run in air like that.

Good run!

art leong · 11-30-2013, 01:04 PM

Quote:

Originally Posted by Rat Raceway

Look into getting a speed density tune like Ed said. Hands down the best setup for racing applications. No reason to even have the O2's on board IMO.

I would kill to run in air like that.

Good run!

Doesn't speed density mean closed loop? Then it would need the sensors.
Alfa N is open loop ( I think ) Sensors are just for data logging.

Ed Wright · 11-30-2013, 01:18 PM

MAF sensor mode, Speed Density, and AlphaN can all be open or closed loop. With a Pure Stocker, I would certainly leave the MAF on it. I don't think it would be legal to remove it, would it. At least the original Pure Stock rules would not allow it. This new "pure stock " ain't really purely stock. May be legal now? I don't know.
Anyway, if you know how, you can stop long term fuel trims from effecting WOT fueling.

Do you guys run open headers? You most certainly don't want closed loop, with a factory computer, with open headers.

11-29-2013, 07:36 PM	#1
Dave Ribeiro VIP Member Join Date: Sep 2002 Location: Williamsburg, Va.---USA Posts: 1,827 Likes: 1,612 Liked 56 Times in 27 Posts	Re: How much is good air worth? Scott, I think Jeff,Jimmy Jr. & Dave were right on two tenths .. As you know there are many other factors that enter in this discussion .. But, their est. was right on, no sub for experience ... Good Luck testing & write it all down !! __________________ Dave Ribeiro 1033 STK

11-30-2013, 10:59 AM	#3
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: How much is good air worth? Any good tuner cam make the O2 sensors have no effect on WOT performance. Or, you could have just unplugged them to finish the weekend. __________________ Ed Wright 4156 SS/JA

11-30-2013, 12:30 PM	#5
Rat Raceway Member Join Date: Nov 2012 Location: Denver Co Posts: 408 Likes: 282 Liked 35 Times in 17 Posts	Re: How much is good air worth? Look into getting a speed density tune like Ed said. Hands down the best setup for racing applications. No reason to even have the O2's on board IMO. I would kill to run in air like that. Good run! __________________ Ross Gregory 5133 Stock,Super Stock 53 Top Dragster

11-30-2013, 01:18 PM	#7
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: How much is good air worth? MAF sensor mode, Speed Density, and AlphaN can all be open or closed loop. With a Pure Stocker, I would certainly leave the MAF on it. I don't think it would be legal to remove it, would it. At least the original Pure Stock rules would not allow it. This new "pure stock " ain't really purely stock. May be legal now? I don't know. Anyway, if you know how, you can stop long term fuel trims from effecting WOT fueling. Do you guys run open headers? You most certainly don't want closed loop, with a factory computer, with open headers. __________________ Ed Wright 4156 SS/JA Last edited by Ed Wright; 11-30-2013 at 02:49 PM.