Could Someone Explain This To Me?

rudedude101 · November 20th, 2006, 06:59 AM

here is a video of a cobra and a supra racing. i have two questions about the supra...when the guy is changing gears, why does it make that sound? and is that fire or something i see coming out of the exhaust? sorry im a total noob when it comes to cars. especially high performance cars.

ChrisJ · November 20th, 2006, 07:48 AM

No video???

If you are talking about the loud hiss when he shifts that would be the blow-off valve relieveing pressure...

Sometimes with the straight through muffler and exhaust cars will shoot flames...

When you post the vid people can explain it more...

rudedude101 · November 20th, 2006, 02:49 PM

lol sorry

http://www.youtube.com/watch?v=EbbhBmqfKyc

jerb43 · November 20th, 2006, 07:54 PM

yeah that is the hissing sound of the turbo, and the blow off valve!, and yes that is flames coming out, possibly unburned gas, getting that last spark? not so sure! nice vid tho!

trueballerisme · December 2nd, 2006, 04:26 AM

wuts a blown off valve?

psycho bob · December 3rd, 2006, 06:08 PM

it's a blow off valve not "blown off". if i'm right it releases excess pressure from the turbo when shifting, but i don't have any actual experience with turbo's

trueballerisme · December 4th, 2006, 12:11 AM

oh so the blown off valve is already in the turbocharger?

Bossman · December 20th, 2006, 05:23 PM

So your racin a friend and you have a Turbo on your car. Your at wide open throttle and then you take your foot off the gas.......WELL, all the boost you were making with the Turbo has to go somewhere and when you slam the throttle body closed by taking your foot off the gas, it gets expelled through the blow off valve! It just blows off excess boost so it doesn't hurt your motor.

blownsnake · December 21st, 2006, 07:05 PM

the better question is why is the cobra getting smoked by a supra....lol

Bossman · December 21st, 2006, 07:15 PM

Originally Posted by blownsnake

the better question is why is the cobra getting smoked by a supra....lol

lol......Supra's are pretty tough to beat if they're done right.

ChrisJ · December 22nd, 2006, 01:47 AM

Supras are nice and all but people need to stop hanging off the Supras nuts...

MSO · December 22nd, 2006, 12:07 PM

yea mustangs hav more potential than supras, jus that mustang ppl dont spend like $15k on a turbo set up for our $50k car...

97TunedMustang · December 28th, 2006, 04:28 AM

It in a sense backfires while shifting because for that second the engines getting a shitload of fuel still and the BOV just dumped a lot of metered air which causes the extra fuel to backfire and expel flames out the rear.

mpboy · September 30th, 2007, 02:44 AM

Originally Posted by ChrisJ

Supras are nice and all but people need to stop hanging off the Supras nuts...

put twins on a cobra

BoostedMKIV · October 1st, 2007, 08:47 AM

Originally Posted by ChrisJ

Supras are nice and all but people need to stop hanging off the Supras nuts...

Supra nuts ftw.

wadepetersen · October 2nd, 2007, 03:46 PM

It would be tits to have a supra but they are expensive and hard to find
they are fast as fuck if done right
I have seen a twin turbo cobra and they are fuckin sweet
and with the fire thing cant you put a spark pulg in your muffler and wire a switch to make flames or something like that

Hunt_chevs · October 3rd, 2007, 08:00 AM

Originally Posted by ChrisJ

Supras are nice and all but people need to stop hanging off the Supras nuts...

thank you,.. i had this same problem reguarding camaros a short while ago,.. too many mustang enthusiasts on the nuts of their fellow garbage owners,..

Hunt_chevs · October 3rd, 2007, 08:03 AM

Originally Posted by My'StangOpens

yea mustangs hav more potential than supras, jus that mustang ppl dont spend like $15k on a turbo set up for our $50k car...

both motors have much potential,.. but...... 1= v8 & 1= inline 6.,... end of discussion

November 20th, 2006, 06:59 AM	#1
rudedude101 Newbie Join Date: Oct 2006 Posts: 39 iTrader: 0 reviews	Could Someone Explain This To Me? here is a video of a cobra and a supra racing. i have two questions about the supra...when the guy is changing gears, why does it make that sound? and is that fire or something i see coming out of the exhaust? sorry im a total noob when it comes to cars. especially high performance cars.

November 20th, 2006, 07:48 AM	#2
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 38,220 Blog Entries: 4 iTrader: 10 reviews	No video??? If you are talking about the loud hiss when he shifts that would be the blow-off valve relieveing pressure... Sometimes with the straight through muffler and exhaust cars will shoot flames... When you post the vid people can explain it more... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

November 20th, 2006, 07:54 PM	#4
jerb43 Regular Join Date: Sep 2006 Posts: 185 iTrader: 0 reviews	yeah that is the hissing sound of the turbo, and the blow off valve!, and yes that is flames coming out, possibly unburned gas, getting that last spark? not so sure! nice vid tho! __________________ 1998 Mustang GT Super Charged! CGS Sub frames, Auto Meter gauges, Bassani Exhaust!

December 20th, 2006, 05:23 PM	#8
Bossman Regular Join Date: Oct 2006 Posts: 285 iTrader: 0 reviews	So your racin a friend and you have a Turbo on your car. Your at wide open throttle and then you take your foot off the gas.......WELL, all the boost you were making with the Turbo has to go somewhere and when you slam the throttle body closed by taking your foot off the gas, it gets expelled through the blow off valve! It just blows off excess boost so it doesn't hurt your motor. __________________

December 21st, 2006, 07:05 PM	#9
blownsnake Newbie Join Date: Dec 2006 Posts: 10 iTrader: 0 reviews	the better question is why is the cobra getting smoked by a supra....lol __________________ Current and past rides 2003 Cobra 2003 Saleen 1993 Cobra 1984 Capri (yes it was a 5.0...) 1991 Mustang Coupe 1977 Cobra ( first car)

November 20th, 2006, 02:49 PM	#3
rudedude101 Newbie Join Date: Oct 2006 Posts: 39 iTrader: 0 reviews	lol sorry http://www.youtube.com/watch?v=EbbhBmqfKyc

December 2nd, 2006, 04:26 AM	#5
trueballerisme Hardcore Enthusiast Join Date: Nov 2006 Posts: 1,352 iTrader: 0 reviews	wuts a blown off valve?

December 4th, 2006, 12:11 AM	#7
trueballerisme Hardcore Enthusiast Join Date: Nov 2006 Posts: 1,352 iTrader: 0 reviews	oh so the blown off valve is already in the turbocharger?

December 22nd, 2006, 01:47 AM	#11
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 38,220 Blog Entries: 4 iTrader: 10 reviews	Supras are nice and all but people need to stop hanging off the Supras nuts... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

December 22nd, 2006, 12:07 PM	#12
MSO Banned Join Date: Jul 2006 Location: アメリカ Posts: 5,933 iTrader: 0 reviews	yea mustangs hav more potential than supras, jus that mustang ppl dont spend like $15k on a turbo set up for our $50k car... __________________ [SIGPIC][/SIGPIC] [SIZE="5"][FONT="Arial Black"]OBEY THE FACE![/FONT][/SIZE] Edited By Moderator. Next time will be a ban.

December 28th, 2006, 04:28 AM	#13
97TunedMustang Enthusiast Join Date: Jan 2006 Posts: 965 iTrader: 0 reviews	It in a sense backfires while shifting because for that second the engines getting a shitload of fuel still and the BOV just dumped a lot of metered air which causes the extra fuel to backfire and expel flames out the rear. __________________ 95 Civic Ex, FnF1's, Morimoto Mini h1 retrofit, GSR, bbk intake, BDL tb, 57trim t3/t4 8psi, 297whp 96 Civic Ex 2dr, G3 HID retrofit, FnF type 1's, Si cluster, Obd1 Z6 swap

October 2nd, 2007, 03:46 PM	#16
wadepetersen Regular Join Date: May 2007 Posts: 369 iTrader: 0 reviews	It would be tits to have a supra but they are expensive and hard to find they are fast as fuck if done right I have seen a twin turbo cobra and they are fuckin sweet and with the fire thing cant you put a spark pulg in your muffler and wire a switch to make flames or something like that

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