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hi all,

i did a quick search and couldnt find exactly what i was after.....so i thought i would quickly post something up in here...

Ok have a S2 r33.....rb25det......so u know what ur workin with....and its auto

wantin to put a BOV on it....?? is this ok/safe to do?? i have been told about stalling problems by doin so?? or do i simply clean out my AAC out and all that to stop that???

so yeah, jus finding out if its all ok to install one and that i wont have any problems with it...

let me know

Cheers

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yeah it will stall....

even with a full block off plate in the bov (for fulleh sik flutterz) it will stall.

at low rpm, like braking to turn a right angle corner across lanes slow speed etc. aftermarket bov or blocked bov will stall with the auto.....

so.. what to do?

grab a piece of metal, thicker than a coke can preferably.

grab the bov gasket, and cut metal to shape. Im using some .5mm thick aluminium plate.

so cut to shape, drill 2x bolt holes, then with smaller drill bit drill a couple of small airflow holes - circular like in the centre for some minor airflow

install nice and tight

test drive, you'll still have the bov, but it will flutter a bit, boost feels "tighter" (?),

because it isnt entirely blocked off it wont ever stall but sounds pretty cool (just like a $200 aftermarket bov, tried that) and boost pressure seems to be slightly more "on tap" than previously

wife loves it, hated it when she stalled it, so I drilled the little holes in the middle of the block off plate and now it doesnt stall but flutters very nicely indeed :P hektic-br0

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ahh ok cool....so jus get a blanking plate...and install one of them....but make sure i put some small holes in the middle of it so it has some air flow to stop the stalling???

yes!!

coke can will do, but thicker metal seems less dodgy to me :P

my centre-drilled bov block off plate is nicely filed and machined, 30min home project after a few bongs ey? !

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hi

i am confused what you want to do?

a) make the car make bov noises?

b) fit a different bov?

c) make it flutter ?

if a, fit a pod filter, the std GTST already has a bov

if b, change the bov to a different one, just dont go for an AMTO venting one, that will make the car stall

if c, block the std bov off as Tangles has said, that will make it surge and flutter

the stalling occurs when using an AMTO setup, that is, you dump the bov'd to the atmosphere

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on auto paul even with full plumback ater-market bov it will stall

with blocked bov it will stall

only ever occasionally but will do

so you do the bov backing plate, put some small holes thru the centre of it, and it wont stall, but will be like option ©

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Brendo, you FAIL :thumbsup:

Blocked bov, havent stalled it yet! Rev's hunt if i am WOT thru 1-3 then stomp on the brakes(eg, fwy :laugh: )

i blocked mine to see if my FMIC would make good sounds, its shit, so unblocking it.

even if it does stall, if you can drive with webbers, you can drive a car with an atmo or blocked bov

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Had no probs on the rally car with atmo BOV and it runs AFM. Used to with the old Blitz but changed it to a GFB Stealth and set to full atmo and no probs. Used to stall with the blitz as the piston wasn't closing so had to continually stab the throttle when braking to a stop. Was no probs though.

Was thinking of taking the Stealth off the Mazda to put on the GTR cos you can vent just enough air back to the inlet to stop the stalling but still get the sound of the atmo BOV. Dunno yet if I'll do it but might be fun for a while, I do miss the sound it makes.

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Guest jaysiin001

i have been told stalling issues will occur.

however i have a megasonic on my r33 manual. it does not stall.

it only stalls if i have the a/c going and when i change gears. but, if i change gears at a normal pace it stays alive. but it i change gears slow and let the revs go down, it will stay down and stall.

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