Cheap BOV for SR?

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Garage Battle
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I am most likely not getting the piping, I/C, or BOV with my SR....so thats a couple more things added onto the list.

I plan on keeping the system recirc'd like its supposed to be, and I probably wont be using anything more than a T28 for a while (and a supra TT intercooler). Anyone have any suggestions of an inexpensive BOV that will works for what I need? Things like:

Stock SREclipse 1g or 2gBoschetc

regardless of the suggestion im really trying to keep the price down, and I have to be able to recirc it. Thanks!


SrSLeePeR
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1st gen eclipse would be a good choice but why not stick with the stock SR20 BOV/recirc valve? I don't see nothing wrong with it.

Bosch are sorry "Pressure release valves" Cheap, yes, quality, no. They're plastic just like the 2nd gen eclipse and probably cant hold much boost.

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Garage Battle
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SrSLeePeR wrote:why not stick with the stock SR20 BOV/recirc valve?


i wish people would read....

midnight brother
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crushed 1g dsm

S13240
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I may have a 1st gen dsm bypass valve still on the stock pipe for sale very soon. Make me an offer if interested at [email protected]

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SpeedRacer1
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If you check ebay they have recirc valves off of SR's every once in awhile for cheap prices. I think an S15 went for 30 a month ago. Or just ask one of the US SR carriers.

Silviagirl79
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SpeedRacer1 wrote:If you check ebay they have recirc valves off of SR's every once in awhile for cheap prices. I think an S15 went for 30 a month ago. Or just ask one of the US SR carriers.


What exactly a recirc valve? Pros Cons? Etc.

thnx

BuudWeizErr
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A recirculation valve moves compressed air out of the intake tract when the throttle plate is closed and back into the intake, before the turbo, after the MAFS. The pro's are that you won't run rich when you shift, and your car won't backfire. The reason that happens is because with an atmospheric BOV, the MAFS is reading a set amount of air, and the ECU compensates for that amount of air with fuel. With that air not present, the car runs rich, and that is what causes the backfire. A recirc valve doesn't make a cool sound. Thats the only con.

A lot of people have gotten around this problem when using atmospheric BOV's by cutting their cold pipe (IC -> TB) and putting the MAFS in there, in that case, the MAFS is after the BOV.

EDIT: Or you could always switch to a MAP sensor ;)

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SRdS14
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EBAY...works wonders

Silviagirl79
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So do you suggest when I get my sr swap (by the way I'm getting a side mount intercooler), telling the guys who's swapping it to put my MAFS after the BOV?

Thanks for your help

I H8 UR DSM
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its almost comical to why people want a atmospheric Blow off valve on basically stock setups...can u say 'fast and the furious'??....

the stock SR is meant to run with a recirculating valve, you will much better off staying that route, or upgrading to a aftermarket recirc valve, but there really is no reason to get a BOV, aside from the "cool sound".....

I H8 UR DSM
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its almost comical to why people want a atmospheric Blow off valve on basically stock setups...can u say 'fast and the furious'??....

the stock SR is meant to run with a recirculating valve, you will much better off staying that route, or upgrading to a aftermarket recirc valve, but there really is no reason to get a BOV, aside from the "cool sound".....

I H8 UR DSM
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^quick trigga finga today : )

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SpeedRacer1
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Well if your engine isnt gonna be running alot more power or at least higher boost then just keep the recirc valve. Contrary to what BuudWeizErr said it actually does make a sound and it is cool. The sound waves just get pumped back into the intake system. But the recirc valve is by all means audible, just not attention catching to passers by.

Silviagirl79
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SpeedRacer1 wrote:Well if your engine isnt gonna be running alot more power or at least higher boost then just keep the recirc valve. Contrary to what BuudWeizErr said it actually does make a sound and it is cool. The sound waves just get pumped back into the intake system. But the recirc valve is by all means audible, just not attention catching to passers by.


My engine will maintainthe stock turbo. Will be 300hp at the crank when it leaves the shop in jan-feb. So recirc. valve will not come with my motorset (gonna go with Daunt)?, ebay it is then. I dont want to waste 250.00 for a greedy or blitz bov if I dont need one. but I will tell you I am upgrading to FMIC about 1-2 months after the swap. Would I need a BOV then?

-Planning to Boost-9-10PSI max on Stock intercooler and stock turbo.

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SpeedRacer1
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You would need an upgraded BOV, but I doubt you'll get 300HP on the stock turbo unless your getting an S14 or S15 engine, and even then 300 hp would be at their maximum boosts. You should be able to pick up a blitz BOV off of ebay for a fairly cheap price since there are tons of used bov's on ebay.

S13 @ 13-15PSI = about 230-250rwhp ~240-260 HP S14 @ 13-15PSI = about 250-260rwhp ~270-280 HPS15 @ 15-18PSI = about 290-310rwhp ~310-320 HP

These are general rules of thumb pretty much, the flywheel ratings are my opinion based on the rwhp numbers.


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