Quick Q for the turbo guys

keiken · April 19th, 2009, 10:23 AM

I need some input from the turbo guys here, i have a custom setup being built, and i need to know what to do with the oil vent line (pcv) coming from the drivers side head into the intake tube, should i put a check valve in it, just go to an open air breather (stand alone one sits on the top) or hook it up normal, i cant see doing that and pressurizing the crankcase, cant see it being a good idea anyways. also the EGR tube that was on the drivers side manifold isn't hooked up right now, wondering if deleteing that will kill my mileage or hurt my motor. just looking for some input on how your guys turbo systems are setup. thanks in advance for your input

HMUSN · April 19th, 2009, 10:25 AM

the EGR is for emissions. Don't worry about it, hell delete it. I would go with a breather and a catch can.

keiken · April 19th, 2009, 10:46 AM

yeah im thinking bout just doing it that way just for ease but i dont lke the idea of a catch can, i hate when i park somewhere and a small oil stain appears (you know if i got a spill or leak)

S197Mach1 · April 20th, 2009, 02:41 AM

Delete the EGR. Either run a breather on the valve cover and cap the manifold port or put a check valve into the line so you don't pressurize the crankscase under boost. Either way works fine.

jchr96gt · April 20th, 2009, 01:57 PM

run a breather on the valve cover.
play it safe!

keiken · April 20th, 2009, 10:39 PM

thanks for the imput, is there anything else required to be done with the egr other than just capping it? vaccum lines, etc? im assuming no but thought id just put this out there

LaserRed97GT · April 20th, 2009, 10:48 PM

I'm assuming your ride is 1996 or later (OBD2) If you just cap the EGR, you will set a MIL code like P1407 EGR No Flow Detected, or P1408 EGR Flow out of Self-Test Range. The only way I know to get rid of this event is to have a custom tune done to stop the PCM from performing those functions. You can do it yourself with a Tweecer.

97GT4.6 · April 21st, 2009, 02:04 PM

^ Correct, but i'm sure he can get it taken care of when he gets it tuned for the turbo

S197Mach1 · April 21st, 2009, 11:49 PM

Exactly. It will need a custom tune anyway so the tuner can turn that off.

LaserRed97GT · April 22nd, 2009, 09:26 PM

Yeah, true. Might as well dump the evap purge as well, get rid of that stuff, and save some weight on the front end!

HBK_2007 · April 23rd, 2009, 02:12 PM

would anyone know where i can find compressor maps for AiResearch turbos?

April 19th, 2009, 10:23 AM	#1
keiken Regular Join Date: Feb 2007 Posts: 55	Quick Q for the turbo guys I need some input from the turbo guys here, i have a custom setup being built, and i need to know what to do with the oil vent line (pcv) coming from the drivers side head into the intake tube, should i put a check valve in it, just go to an open air breather (stand alone one sits on the top) or hook it up normal, i cant see doing that and pressurizing the crankcase, cant see it being a good idea anyways. also the EGR tube that was on the drivers side manifold isn't hooked up right now, wondering if deleteing that will kill my mileage or hurt my motor. just looking for some input on how your guys turbo systems are setup. thanks in advance for your input

April 21st, 2009, 02:04 PM	#8
97GT4.6 Hardcore Enthusiast 97 GT Too slow- no traction. Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,249	^ Correct, but i'm sure he can get it taken care of when he gets it tuned for the turbo __________________ Cammed 2v Built By MustangMatt http://www.moddedmustangs.com/forums...-burnouts.html

April 23rd, 2009, 02:12 PM	#11
HBK_2007 Genibus Nitito Canus 1996 Mustang GT next year Join Date: Jan 2008 Location: Wyoming Posts: 2,346	would anyone know where i can find compressor maps for AiResearch turbos? __________________ Red 1996 GT: JLT RAI, Steeda Underdrive pullies, Stewart Waterpump; nothing to brag about Black 2009 45th aniverary edition GT 5 speed: K&N CAI, BBK Twin 62mm Throttle Body, BBK Underdrive Pullies, some type of exhaust, "leveling kit"

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April 19th, 2009, 10:46 AM	#3
keiken Regular Join Date: Feb 2007 Posts: 55	yeah im thinking bout just doing it that way just for ease but i dont lke the idea of a catch can, i hate when i park somewhere and a small oil stain appears (you know if i got a spill or leak)

April 20th, 2009, 02:41 AM	#4
S197Mach1 Banned 2007 10.887 @ 127.89 Join Date: Apr 2009 Location: Houston Posts: 46	Delete the EGR. Either run a breather on the valve cover and cap the manifold port or put a check valve into the line so you don't pressurize the crankscase under boost. Either way works fine.

April 20th, 2009, 01:57 PM	#5
jchr96gt Regular 1996 mustang gt unkown Join Date: Apr 2008 Location: katy,texas Posts: 123	run a breather on the valve cover. play it safe!

April 20th, 2009, 10:39 PM	#6
keiken Regular Join Date: Feb 2007 Posts: 55	thanks for the imput, is there anything else required to be done with the egr other than just capping it? vaccum lines, etc? im assuming no but thought id just put this out there

April 20th, 2009, 10:48 PM	#7
LaserRed97GT Newbie 1997 Mustang GT 14.92 before current round of mods.... Join Date: Apr 2009 Location: Chicago Burbs Posts: 32	I'm assuming your ride is 1996 or later (OBD2) If you just cap the EGR, you will set a MIL code like P1407 EGR No Flow Detected, or P1408 EGR Flow out of Self-Test Range. The only way I know to get rid of this event is to have a custom tune done to stop the PCM from performing those functions. You can do it yourself with a Tweecer.

April 21st, 2009, 11:49 PM	#9
S197Mach1 Banned 2007 10.887 @ 127.89 Join Date: Apr 2009 Location: Houston Posts: 46	Exactly. It will need a custom tune anyway so the tuner can turn that off.

April 22nd, 2009, 09:26 PM	#10
LaserRed97GT Newbie 1997 Mustang GT 14.92 before current round of mods.... Join Date: Apr 2009 Location: Chicago Burbs Posts: 32	Yeah, true. Might as well dump the evap purge as well, get rid of that stuff, and save some weight on the front end!

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