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blow off valve question

 
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Old 16 Feb 2009, 01:52 pm
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Default blow off valve question

i have a turbo convert an i just wanna to know if any of yall know if a blow-off valve would work for on an automatic? cause i just wanna her the pssssh sound. and to help keep the turbo cooler.
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Old 16 Feb 2009, 02:31 pm
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Default Re: blow off valve question

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Originally Posted by reaper121 View Post
i have a turbo convert an i just wanna to know if any of yall know if a blow-off valve would work for on an automatic? cause i just wanna her the pssssh sound. and to help keep the turbo cooler.
Keep the turbo cooler? Never heard of that. With an auto you won't hear the psssh sound nearly as well as a 5 speed would.
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Old 16 Feb 2009, 09:47 pm
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Default Re: blow off valve question

i know it wont make that pssh sound that much. but what i mean about keppin the turbo cooler is that when the turbo releases air it puts the hot air that it dont use back in the air filter box for recirculation. which means that it uses hot air instead of cold air which means that in the long run it can mess up the turbo.
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Old 17 Feb 2009, 11:12 am
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Default Re: blow off valve question

Quote:
Originally Posted by reaper121 View Post
i know it wont make that pssh sound that much. but what i mean about keppin the turbo cooler, is that when the turbo releases air, it puts the hot air that it dont use back in the air filter box for recirculation. which means that it uses hot air instead of cold air which means that in the long run it can mess up the turbo.
the only time the recir valve puts hot air back in is when you let off the throttle, in an automatic you foot stays planted and the throttle body stays open and the recir stays closed, so its continously getting cool air. what hot air that does get recirclated will still get cooled by the intercooler regardless before entering the engine. you can get a mopar BOV for the noise but you wont see a difference in performace.


Gay-Lussac's law. pressure increases-temp increases, temp decreases, pressure decreases.
the turbo is the hotest part of the system since its creating the pressure. even though the recirc is on the turbo, whether you have a diverter plate or have the recirc put air back into the intake you will see no difference.
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Old 21 Feb 2009, 12:39 pm
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Default Re: blow off valve question

to answer the question posed, I don't believe that the bypass on a vert is any different than the hardtop. The Mopar or equivalent should work fine
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Old 21 Feb 2009, 05:12 pm
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Default Re: blow off valve question

I installed the BOV on my GT automatic sometime ago and love the noise it makes. The other day some kids were hot rodding and driving recklessley so I pulled up along side at about 25 engaged my autostick and shifted in to fourth gear then loaded the engine by power braking and my son said he could hear me PPSSSHHH 3 cars back. My daughter was in the passanger seat watching them and cracked up cause she said she thought they were going to break their necks jerking them so qhickly to hear the loud noise
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