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Discussion Starter #1
I ordered a Apexi Universal Blow off valve because the people from Blitz are nerds. Alpine turbo didnt come with one obvously.. I dont know nothing about blow off valves. Will I need anything else that attachs the BOV to the turbo? Im sure im set just making sure thanks

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It will connect to your Upper I/C piping just before your TB. sot hat it can get rid of the boost between shifts so it doesn't try and stop the turbo from spooling.

You will also need the flange for it to connect to.



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Discussion Starter #3
Thanks for the information. Hopefully this will he all I need

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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>I dont know nothing about <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=1 id=quote>

So you do know something about them.<img src=icon_smile_big.gif border=0 align=middle>

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hey lantra, how much did you end up paying for the BOV by apex'i?? can i get a link please? <img src=icon_smile_big.gif border=0 align=middle>

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Discussion Starter #6
The total came out to be 182 plus shipping. the link is....www.rx7store.net

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thanks lantra...i appreciate your reply!
turbo

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Discussion Starter #8
No problem Boss, I dont know where ya live but the shipping might be different in other locations keep that inmind.

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Discussion Starter #9
I just got my BOV in from apexi today. Damn is it nice!

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If you have a MAF, you should get a recirculating blow off valve not a normal BOV.

Here's why. Let's stay your turbo spools up to full boost at 3500 RPM (just an figure I picked). At anything over 3500 RPM, the bov is going to be venting excess pressure to the atsmophere. The problem is that the maf still sees the turbo pulling in JESUS air...even though 25% of it is going out the BOV. So you need to re-circulate the BOV to between the Turbo and the MAF. so that the MAF doesn't see the recirculated air, but only sees the fresh air coming in and makes the proper calcuations for fuel.

If you vent the BOV to the atsmophere, you will run rich.

With the alpine setup I hit 9 psi at 2500 RPM. At anything higher, the wastegate opens and dumps it right out the exhaust. The problem with this? The MAF doesn't know that the wastegate is dumping air...and tells the ECU to dump HELLA FUEL...and I run rich. It is one of the reasons I've had such problems tuning my engine.

I have a turbo-XS Type H blow off valve waiting to be installed. I plan on having alpine install it, and start including it with their kit...as there is no other way to get the MAF to play nice with the Turbo.

Leave it to Random to Needlessly complicate things.
 

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Discussion Starter #11
Dammit, That mafs screws everything up. Its a universal apexi bov twin chamber. I guess now I can't use it for running higher psi. Anyone know where I can get a BOV and have it run with that shitty mafs sensor?

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The only time a BOV opens is when the Gas pedal is lifted off of and the TB Flap closes causing a Vacum which opens the BOV. Your Apexi BOV is fine it won't get blown open like a Shitty Bosch BOV, that is the only other way it will open is if you are running to much boost for the BOV to handle, and believe me your not going to runn to much boost to blow open the Apexi. I just got a hell of a deal on a Apexi one from a Guy in my club with a 94 RX7 TT so I will be install mine soon.

<img src="http://www.speed-factor.com/Tim_Motor_small.jpg" border=0> <img src="http://www.speed-factor.com/Tim_Side_small.jpg" border=0>

14psi Daily Driven!!!!

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Discussion Starter #13
So do you think it can handle 15 psi man?

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It will hold over 25psi so you don't have to worry bout 15psi

<img src="http://www.speed-factor.com/Tim_Motor1_small.jpg" border=0> <img src="http://www.speed-factor.com/Tim_Side1_small.jpg" border=0>

14psi Daily Driven!!!!

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