where to put BOV on incon kit for good airflow
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where to put BOV on incon kit for good airflow I am wanting some opinions on where to put twin BOV on an incon kit for best performance. Choices are in the butt pipe near the merge or the straight section of the "legs".
Choice 1 would look like this, except with another BOV on teh passenger side:
http://s94.photobucket.com/albums/l8...t=newsetup.jpg
I like the idea of putting them here for good looks and ease of plumbing/adjustment. The only thing I wonder is how much turbulence they would create for the air moving thru the pipe? Am I worried about nothing?
The other choice is to put them lower in the legs, where the airflow is straight but that would hide them and make them harder to adjust if needed.
Choice 1 would look like this, except with another BOV on teh passenger side:
http://s94.photobucket.com/albums/l8...t=newsetup.jpg
I like the idea of putting them here for good looks and ease of plumbing/adjustment. The only thing I wonder is how much turbulence they would create for the air moving thru the pipe? Am I worried about nothing?
The other choice is to put them lower in the legs, where the airflow is straight but that would hide them and make them harder to adjust if needed.
You probably won't be needing to adjust the BOV(s) much, but i'd go with the 2 up top anyway, would look pretty badass, but i'm a stickler for a cool looking engine bay 
I don't know the function differences of one bov vs two or if there is any so i guess this doesnt really help.
I don't know the function differences of one bov vs two or if there is any so i guess this doesnt really help.
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Why do you need 2 bov's.Just put 1 inbetween your intercooler and throttlebody. That should take care of it. 
Just looked at the pic .You should be able to put one on the bottom side near the throttle body?
Just looked at the pic .You should be able to put one on the bottom side near the throttle body?
well, if you put it between the intercooler, and the tb, your just blowing off already cooled air, before the intercooler is best if you can stuff it there, why work the intercoolers to cool the air, and then blow off the air? not only are you reducing the effiecency of the coolers, you are wasting cool air, imo.
I don't know of anybody that put's there blowoff valve before the intercooler.
Apparently you are not that familiar with FI. You put the blowoff valve close to the throttle body to get rid of that surge of air when you close the throttle body.As fas as blowing off cooler air,it will alway's be cooler after the intercooler,so you are not waisting cooler air.
Apparently you are not that familiar with FI. You put the blowoff valve close to the throttle body to get rid of that surge of air when you close the throttle body.As fas as blowing off cooler air,it will alway's be cooler after the intercooler,so you are not waisting cooler air.
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There is not enough room to put a BOV near my throttle body. The picture I have is not of my car; mine is a touch different. There is too much stuff in the way to put a BOV right in front of the TB.
Reason for using 2 BOV is this is a twin turbo setup and I wanted to keep everything balanced, and personal preference.
Reason for using 2 BOV is this is a twin turbo setup and I wanted to keep everything balanced, and personal preference.
I have a twin setup as well. Pic in avatar.I only use one bov. My bov is actually on the intercooler as close to the inlet pipe going to the throttle body as possible.
I would put it after the intercooler or on the intercooler if possible.imoa.
I would put it after the intercooler or on the intercooler if possible.imoa.
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The engine bay in that picture looks familiar. If you wanted to do 2, you can see where the piece of piping is after the butt pipe, but before the TB that I put there to replace the MAF sensor. You could run the car in SD mode and put a BOV on each side of the pipe and it would look pretty clean.
I'd consider mounting them low down near the intercoolers and and not hack up the butt pipe. I was actually going to take off my intercooler and replace them with a straight pipe since my car has meth, and mount the bov's on the new pipe.
Mounting them low, your going to hack up the silicone incon piping . Honestly, if your going to do 2 of them, the easiest way would be to mount them in the pipe like I said above where my meth nozzle and nitrous are at. Otherwise, with one, most guys I've seen mount it where it's at on mine and some guys I've seen mount one in the pipe like stated above where 2 go, only they put one in it and either mount it on one side or mount it facing downward so it's out of site.
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OK, took some photos to illustrate my ideas. Option 1 looks pretty cool, although I dont like it that the BOV dont quite match the chrome on teh pipe.
option 2 is great for stealth, but I am not sure how much road debris would get kicked up into the BOV
option 3 might work if I want to ditch the MAF, which I am not sure yet
option 1:
http://s94.photobucket.com/albums/l8...t=IMG_1346.jpg
option 2:
http://s94.photobucket.com/albums/l8...t=IMG_1350.jpg
option 3:
take out the MAF and put in a straight piece of pipe, mount BOV there. Guys that have done this, how is the fitup? On my car it looks like the TB sits a good 3/4" lower than the butt pipe, making a straight piece of pipe difficult to hook up
option 2 is great for stealth, but I am not sure how much road debris would get kicked up into the BOV
option 3 might work if I want to ditch the MAF, which I am not sure yet
option 1:
http://s94.photobucket.com/albums/l8...t=IMG_1346.jpg
option 2:
http://s94.photobucket.com/albums/l8...t=IMG_1350.jpg
option 3:
take out the MAF and put in a straight piece of pipe, mount BOV there. Guys that have done this, how is the fitup? On my car it looks like the TB sits a good 3/4" lower than the butt pipe, making a straight piece of pipe difficult to hook up
your option 2 looks fine, but you'd have to mount it a tad bit higher and not sure why you'd want to go with the stealth approach with that buttpipe and the braided line. The straight piece of pipe go's from the stepup pipe that is at the TB , to the buttpipe, with the silicone couplers. It works fine, and I can measure mine here in a little while, but you can get a pretty good idea how long it needs to be with a tape measure. Not sure why you'd want to go with 2 BOV's unless you've already got 2.
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I am not necessarily after the stealth approach, although I have tried to keep my car looking stock. I am concerned with a nice clean look to the engine bay.
Nobody thinks using 2 BOV is a good idea? FWIW I already have 2 of them.
Nobody thinks using 2 BOV is a good idea? FWIW I already have 2 of them.
Sell one of the BOV's and use the money for something useful. Two BOV's only adds a small amount of extra weight and complexity for zero benefit. While the downside is almost negligible, the benefit is ZERO.
Or you could hookem in at the extra injector bungs like this
http://www.classicgm.com/images/twinturbo/incon.jpg
http://www.classicgm.com/images/twinturbo/incon.jpg
If you guys are wanting another persons input, I to am setting mine up as option 3 where by I will have no MAF and will place my BOV in it's location. This just seems like the best use of space as well as keeping the incon hard parts intact. Also, with speed density being the best kind of tuning IMHO for FI just go ahead and get rid of the MAF.
Warp where at in Kansas City are you located. I was not aware there was anyone else in the area with a INCON kit....Damn.
I also Agree and have done the same thing. I put mine on a straight pipe and got rid of the MAF. Fitment is ok cause the silcone hose that connects the pipe to the throttle body can move enough to acomidate it.
I also Agree and have done the same thing. I put mine on a straight pipe and got rid of the MAF. Fitment is ok cause the silcone hose that connects the pipe to the throttle body can move enough to acomidate it.
Originally Posted by SS2win
Or you could hookem in at the extra injector bungs like this
http://www.classicgm.com/images/twinturbo/incon.jpg
http://www.classicgm.com/images/twinturbo/incon.jpg
The Incon Mule approach! If I recall those were 25's...