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Benefits of Mopar BOV?

Natural244

Natural244

F1 Junkie!
Joined
Jul 19, 2005
Location
Raleigh, NC
So I've been toying with the idea of putting a Mopar BOV on my 15g when I install it. My car is a '94 940T with Fred's chips, IPD Turbo cam, running 12-13 PSI of boost.

Is there any benefit from running one of these or is it just a bling thing?

Thanks - Tim
 
The mopar BOV sits under the stock CBV leaving all the stock piping and AMM placement in place and without need for modification. I was just wondering if there are any benefits of putting one on.
 
on an AMM car, it can cause a rich spike, bog/stall on hard boost drop offs.
all the metered air goes out, and the car thinks it needs a bunch of fuel to keep up with all that air.

people run BOV's, and their car works ok. but really, its mostly a "bling" thing for your setup.
especially on an automatic, as you dont need to let off the throttle for the transmission to shift.

money can be better spent somewhere else.
 
HonestJhon said:
on an AMM car, it can cause a rich spike, bog/stall on hard boost drop offs.
all the metered air goes out, and the car thinks it needs a bunch of fuel to keep up with all that air.

people run BOV's, and their car works ok. but really, its mostly a "bling" thing for your setup.
especially on an automatic, as you dont need to let off the throttle for the transmission to shift.

money can be better spent somewhere else.
Click to expand...
i dont see why its bling on an automatic? the engine still needs to release extra boost pressure somewhere. or does my aw71 dump extra pressure in the system into the tranny pan?
 
Ja, I drove a grand national today. Auto with a big turbo. It definitely needs something.
 
with a 15g at 12-13 PSI, hes not in danger of needing to dump all that excess pressure when he lets off the throttle. and on an auto, you dont have to let off the throttle to accellerate through the gears. put your foot into it, and the torque converter keeps the engine loaded, so boost is not let off when it shifts.
the STOCK cbv works fine. i've been running 15+ PSI for a year or so on the stock CBV on my 15g, and have taken it to 20 PSI on the dyno, and even then, letting off it doesnt have problems.
unless he gets a bigger turbo, he doesnt really need to worry about spending money on a BOV to replace the stock CBV. and for an AMM car, a CBV (even an aftermarket one) is better than a BOV, as routing the excess boost pressure back into the non pressurized inlet of the turbo so you dont lose metered air will not result in stalling issues.


but, like its been said in other threads about BOVs, if you want the sound, go for it.
 
HonestJhon said:
with a 15g at 12-13 PSI, hes not in danger of needing to dump all that excess pressure when he lets off the throttle. and on an auto, you dont have to let off the throttle to accellerate through the gears. put your foot into it, and the torque converter keeps the engine loaded, so boost is not let off when it shifts.
the STOCK cbv works fine. i've been running 15+ PSI for a year or so on the stock CBV on my 15g, and have taken it to 20 PSI on the dyno, and even then, letting off it doesnt have problems.
unless he gets a bigger turbo, he doesnt really need to worry about spending money on a BOV to replace the stock CBV. and for an AMM car, a CBV (even an aftermarket one) is better than a BOV, as routing the excess boost pressure back into the non pressurized inlet of the turbo so you dont lose metered air will not result in stalling issues.


but, like its been said in other threads about BOVs, if you want the sound, go for it.
Click to expand...
i know the stock ones can handle that much boost, and i liek the sound of a bov. thats why the mopar plate is so full of win. it uses the stock cbv
 
Ok, time to school the turbo semi-newb. Could you guys go into a little moar detail on this setup. Any pictures of an install?
 
if you're using it just for the sound, then yeah, its worth it i guess.
doesnt forge make a bolt on replacement CBV/BOV that actually replaces the stock CBV with its rubber diaphram that can fail? that would be the only reason on a 15g that i would swap to anything. to eliminate a failure point.


and with a short intake on a cone filter, or an empty stock airbox with just the air filter in there (baffles removed along with foam) the CBV makes a good ammount of noise.
 
I only plan on running it to 15 psi. I have a custom airbox setup with a K&N filter and I have to agree with HonestJhon that you certainly can hear the CBV, I like the sound it is not too loud but you can definitely hear it. 2fast242gt - do you have any issues with rich spikes? are you running LH 2.4?

-Tim
 
Natural244 said:
I only plan on running it to 15 psi. I have a custom airbox setup with a K&N filter and I have to agree with HonestJhon that you certainly can hear the CBV, I like the sound it is not too loud but you can definitely hear it. 2fast242gt - do you have any issues with rich spikes? are you running LH 2.4?

-Tim
Click to expand...

no i dont. i and it never will, i have my amm on the cold side IC pipe. i can use any bov ect.
also somone asked for a pic.
<a href="http://s265.photobucket.com/albums/ii234/2fast242gt/?action=view&current=Picture065-1.jpg" target="_blank"><img src="http://i265.photobucket.com/albums/ii234/2fast242gt/Picture065-1.jpg" border="0" alt="Photobucket"></a>
heres where my amm is. yes it works i have had it this way for about 10k now. also i not running that bov anymore. im using the mopar plate and love it. but yeah its basicaly for sound. not sure how lh2.4 would react if it knew it was losing a bit of unmetered air with that setup.<a href="http://s265.photobucket.com/albums/ii234/2fast242gt/?action=view&current=Picture016.jpg" target="_blank"><img src="http://i265.photobucket.com/albums/ii234/2fast242gt/Picture016.jpg" border="0" alt="Photobucket"></a>
 
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