Possible to replace the BPV with a BOV?
So i have a voodoo kit from FM (with the intercooler) i was wondering if i could replace the recirc bpv with a Vent to air BOV. Any ideas?
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Unpossible.
I bet if you did any sort of research on your own at all, you'd have arrived at the same conclusion. :) |
Originally Posted by 4ddiction
(Post 1056285)
So i have a voodoo kit from FM (with the intercooler) i was wondering if i could replace the recirc bpv with a Vent to air BOV. Any ideas?
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Originally Posted by supercooper
(Post 1056294)
yes, you can... if you like your car to fall flat-on-its-face when it richens up as you let off the throttle. I hear people really like that effect nowadays...
Mostly because on any management worth a damn, that won't happen. And even on a lot of stock ECU cars, it won't happen with a BOV worth a damn. |
OP, do you have any idea why that might not work?
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Originally Posted by concealer404
(Post 1056295)
Rather hard to say that will happen without knowing full details of OP's car.
Mostly because on any management worth a damn, that won't happen. And even on a lot of stock ECU cars, it won't happen with a BOV worth a damn. My AIDS miata with stock ECU was running atmospheric when i bought it, and it wasnt TOO bad, but the BOV actually sealed. I replaced it with a cheap Bosch recirc. shortly after, because my AFR's were basically 1:1.... :P BUT ALSO... if OP somehow has a HYDRA (which i PERSONALLY would have mentioned in the first post. lol), i shall divert the comment to a ? instead, for spending 6 times more than necessarry. lol DOLLA DOLLA BILL Y'ALL!!!! |
what part of "voodoo kit" makes you think it has a hydra?
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Originally Posted by 18psi
(Post 1056304)
what part of "voodoo kit" makes you think it has a hydra?
Oh... wait. |
Originally Posted by 18psi
(Post 1056304)
what part of "voodoo kit" makes you think it has a hydra?
Just throwing it out there JUSTIN CASE somehow he magically has one. lol Maybe he was like... "Hmmmm... i have a $3000 turbo kit, maybe i should get a $2000 ECU to complement it?!?!?" :idea: How does the "voodoo box" work anyways??? does it adjust injector pulse width or something? |
Don't ask. It's voodoo.
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yeah... I saw Skeleton Key... I dont wanna mess with that stuff... lol
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To sum up what everyone else has said in a clearer way...
If you are running a stock EMS, then no, you can't switch to a BOV without negative consequences. If you are running an EMS that will allow you to tune it, then yes you can. You will have to relocate the MAF to after the BOV, and tune it to make up for the loss of air coming in when you let off the gas. |
Originally Posted by Terridax
(Post 1056392)
To sum up what everyone else has said in a clearer way...
If you are running a stock EMS, then no, you can't switch to a BOV without negative consequences. If you are running an EMS that will allow you to tune it, then yes you can. You will have to relocate the MAF to after the BOV, and tune it to make up for the loss of air coming in when you let off the gas. next time, let others "sum up" kthxbai PS: protip - there's no tuning involved, and there's no maf involved with what everyone's suggesting he do |
Originally Posted by 18psi
(Post 1056394)
sounds like you don't know what you're talking about. just like OP, you should probably post less and read more
next time, let others "sum up" kthxbai PS: protip - there's no tuning involved, and there's no maf involved with what everyone's suggesting he do What everyone's suggesting he do is, not replace the BPV with a BOV. But, it IS possible to do. However, if you do it the MAF will be reading the amount of air before the BOV and add fuel accordingly, but the air won't actually make it into the intake, as it will be... blowing off, into the atmosphere. So moving the MAF to after the BOV would have it reading the actual amount of air that'll make it into the intake. Then, because there will be less air after each shift, the fuel will be adjusted accordingly. Since there will be a different amount of air and fuel coming in, it should be re-tuned to optimize it. If I'm wrong, I'm all ears... but that's how I've always understood this to work :brain: |
Originally Posted by Terridax
(Post 1056405)
Perhaps you can educate me then? :idea:
What everyone's suggesting he do is, not replace the BPV with a BOV. But, it IS possible to do. However, if you do it the MAF will be reading the amount of air before the BOV and add fuel accordingly, but the air won't actually make it into the intake, as it will be... blowing off, into the atmosphere. So moving the MAF to after the BOV would have it reading the actual amount of air that'll make it into the intake. Then, because there will be less air after each shift, the fuel will be adjusted accordingly. Since there will be a different amount of air and fuel coming in, it should be re-tuned to optimize it. If I'm wrong, I'm all ears... but that's how I've always understood this to work :brain: Most popular ems' use speed density. This means it calculates fueling based on pressure and temperature, not volume of air like what a MAF does. It gets rid of the MAF altogether, and requires no special tuning at all to accommodate the bov. So its actually even more simple than what you're suggesting :) |
lol @ MAF.
OP if you have MS you can rule the world. If not, you are stuck with your bypass, and can't hang with all the supras with loud BOVs. |
Originally Posted by 18psi
(Post 1056406)
Still not what they're talking about.
Most popular ems' use speed density. This means it calculates fueling based on pressure and temperature, not volume of air like what a MAF does. It gets rid of the MAF altogether, and requires no special tuning at all to accommodate the bov. So its actually even more simple than what you're suggesting :) Even with the SD you'd still want to move it to after the BOV though right? |
no. you take it off and throw it in the trash....where it belongs.
which is what "they" were talking about. now, if you're on stock ecu and bandAIDZ (aka voodoo box) then yes you are stuck with attempting gay work-arounds like moving it post bov to make it feel less crappy. but its still not going to fix the issue properly so basically this thread is about OP ditching aids and getting a proper ecu like a man :) |
Map sensor. As in manifold air pressure. As in senses pressure not flow. As in you run a vac line to the map sensor. As in no you don't have to move it.
Assuming "it" is the MAP sensor. If "it" is the MAF sensor you don't need it, as stated above. If "it" is your penis, still remove it. |
lol speed density sensor.
there's a new one hahaha this is why I told you to read more post less |
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