bypass valve and blow off valve difference

xXJayManZXx17 · March 5th, 2010, 07:06 AM

Originally Posted by Scott2001GT

Blow-Thru vs Draw-Thru MAF Setups

I think a Big Red Race valve can be a BPV or BOV...that one that is made for draw thru.

awesome link man thanks and reps

xXJayManZXx17 · March 5th, 2010, 07:07 AM

Originally Posted by Trick Tuners

You can make a BPV into a BOV, but you can't (usually) make a BOV into a BPV. BPV is for a draw thru setup, BOV is for a blow thru setup. BOV with the HPX maf or 05+ slot maf / mafia work well.

thanks for the info i read it then read it again in the link below lol

BakerFX4 · March 5th, 2010, 09:55 AM

big red.....

" target="_blank">

I8ACMRO · March 5th, 2010, 10:39 AM

Where/how are you guys mounting these? Pix would be sweet

Scott2001GT · March 5th, 2010, 12:31 PM

look on my 3rd page of Procharger Install!!

Scott2001GT · March 5th, 2010, 12:36 PM

Originally Posted by xXJayManZXx17

awesome link man thanks and reps

NP man!

no reps show

lol idc doesn't matter

I8ACMRO · March 5th, 2010, 08:35 PM

Originally Posted by Scott2001GT

look on my 3rd page of Procharger Install!!

Ya that's great but WHERE is that? Just seeing that picture helps but tells me nothing where it's located (ie before or after intercooler or is it before the MAF?)

mell0 · March 5th, 2010, 08:44 PM

it is before the intercooler and MAF. it is the first pipe after the head unit.

I8ACMRO · March 5th, 2010, 08:58 PM

Originally Posted by mell0

it is before the intercooler and MAF. it is the first pipe after the head unit.

Ok cool thanks

BakerFX4 · March 5th, 2010, 09:49 PM

facing downward towards the ground.

I8ACMRO · March 5th, 2010, 10:00 PM

Originally Posted by BakerFX4

facing downward towards the ground.

total seriousness or being yourself?

lol

mell0 · March 6th, 2010, 10:25 PM

nope he's being serious. usually the flange for the bypass valve (on vortech and procharger at least) points down on front mounted intercooler setups.

looking at the pipe with the flange from the top:
http://photos-a.ak.fbcdn.net/photos-...34_5752504.jpg

and from the bottom:
http://photos-e.ak.fbcdn.net/photos-...236_330562.jpg

the second picture is a bit disorientating, but you can use the AC compressor and crank dampener to try to get your bearings. that big piece of plastic on the left is like the bottom of the radiator/fan.

mustanginky · March 6th, 2010, 11:30 PM

Just an FYI fir those that. Don't know or understand, with a draw thru setup you have to run it as a bypass valve. Otherwise, you're venting off air that the maf has already accounted for. It can cause anproblem with air fuel ratios.

March 5th, 2010, 12:31 PM	#25
Scott2001GT BYAHHHH! 2001 Mustang GT 13.874 Join Date: Mar 2008 Location: Missouri Posts: 14,793 Blog Entries: 1 iTrader: 3 reviews	look on my 3rd page of Procharger Install!! __________________ Precision Turbo\|TurboSmart\|TeamZ\|Strange\|Hellion\|BBK\|SCT\|Edge Converters\|Fairbanks\|CG Fabrications\|Treadstone

March 5th, 2010, 08:44 PM	#28
mell0 Hardcore Enthusiast 2002 Procharged GT, STR 12.503 @ 113.08 Join Date: Feb 2010 Location: Boxford, MA Posts: 1,873 iTrader: 0 reviews	it is before the intercooler and MAF. it is the first pipe after the head unit. __________________ 2002 Procharged GT 12.503 @ 113.08 351rwhp 353rwtq Car Videos: http://www.youtube.com/user/mell00ut5?feature=mhee

March 5th, 2010, 09:49 PM	#30
BakerFX4 I Post Entirely Way Too Much Join Date: Dec 2007 Location: Louisiana Posts: 16,251 iTrader: 14 reviews	facing downward towards the ground. __________________ 4.75 MMR 900se Livernois ported heads HP 292s blower cams Procharger D1sc at 20+ psi IW 15% OD pulley (and more bolt ons) E85 Tune/numbers coming shortly!!

March 6th, 2010, 10:25 PM	#32
mell0 Hardcore Enthusiast 2002 Procharged GT, STR 12.503 @ 113.08 Join Date: Feb 2010 Location: Boxford, MA Posts: 1,873 iTrader: 0 reviews	nope he's being serious. usually the flange for the bypass valve (on vortech and procharger at least) points down on front mounted intercooler setups. looking at the pipe with the flange from the top: http://photos-a.ak.fbcdn.net/photos-...34_5752504.jpg and from the bottom: http://photos-e.ak.fbcdn.net/photos-...236_330562.jpg the second picture is a bit disorientating, but you can use the AC compressor and crank dampener to try to get your bearings. that big piece of plastic on the left is like the bottom of the radiator/fan. __________________ 2002 Procharged GT 12.503 @ 113.08 351rwhp 353rwtq Car Videos: http://www.youtube.com/user/mell00ut5?feature=mhee

March 6th, 2010, 11:30 PM	#33
mustanginky MM Fanatic 2000 gt Join Date: Feb 2009 Location: La grange, KY Posts: 4,259 iTrader: 2 reviews	Just an FYI fir those that. Don't know or understand, with a draw thru setup you have to run it as a bypass valve. Otherwise, you're venting off air that the maf has already accounted for. It can cause anproblem with air fuel ratios. __________________ Procharged 2000 5 Speed BAB GT, built motor, blower cams, speedy dyno tune 412 hp, 450 rw tq HARDCORE CREW BRIGHT ATLANTIC BLUE CREW #1 MEMBER

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