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-   -   Installing BOV (http://www.toyota-supra.info/forums/mkiii-supra/17147-installing-bov.html)

supra_rulz 06-21-2010 10:05 PM

ok, well i got it today and installed it right away.
http://www.facebook.com/photo.php?pi...00000216988284 (i know its facebook but w/e)
anyways so i actually pulled it off and installed it. it works great..........except for the one problem i knew was comming. the stalling. lol it kinda sucked because i was testing it and my car stalled right next to this really hot chick, i waited till she pulled away to start my car lol

so my question now is, for the resurculation thing, do i just need to get a hose and connect the outlet of the BOV to the acordion bend where the old one went?

supra_rulz 06-21-2010 10:46 PM

another question. lol

now that i have a BOV, shouldnt the boost gauge read 0 when i'm not on the gas?

EDIT:
ANOTHER question. will getting a MAF instead of AFM help at all? and will rasing the idle rpm be a shor-term fix?

btwilson86 06-22-2010 03:43 AM

Quote:

Originally Posted by supra_rulz (Post 84873)
now that i have a BOV, shouldnt the boost gauge read 0 when i'm not on the gas?

Nope. Your turbo isn't spinning fast enough at idle to counteract the vacuum that your engine creates, so you should be reading a few in/Hg (or -psi depending on your boost gauge) at idle.

supra_rulz 06-22-2010 03:56 AM

Quote:

Originally Posted by btwilson86 (Post 84888)
Nope. Your turbo isn't spinning fast enough at idle to counteract the vacuum that your engine creates, so you should be reading a few in/Hg (or -psi depending on your boost gauge) at idle.

see, the thing is...its still -20 psi. same as before the install....is that normal or even ok?

btwilson86 06-22-2010 03:59 AM

That I'm not sure of.... What vacuum line did you tap into for the gauge source? Or are you running the stock boost gauge?

supra_rulz 06-22-2010 04:11 AM

Quote:

Originally Posted by btwilson86 (Post 84892)
That I'm not sure of.... What vacuum line did you tap into for the gauge source? Or are you running the stock boost gauge?

i have no idea where its tapped into. i got it as is. and no its not a stock guage. how much would that matter?

btwilson86 06-22-2010 06:04 AM

Well, different vacuum lines may see different amounts of boost pressure as well as different amounts of vacuum. You may be seeing excessive amounts of vacuum pressure because your line for your boost gauge may not be installed on an ideal vacuum line.

supra_rulz 06-23-2010 05:56 PM

Quote:

Originally Posted by btwilson86 (Post 84894)
Well, different vacuum lines may see different amounts of boost pressure as well as different amounts of vacuum. You may be seeing excessive amounts of vacuum pressure because your line for your boost gauge may not be installed on an ideal vacuum line.

that makes sense. i donno, the guys i baught it from were.....not exactly taking care of the car. more like just running it for what its worth.....i actually dont know where they have it. where would the "best" or ideal place be to put the vacuum?

cre 06-24-2010 03:40 AM

Vacuum lines also have a response time, depending on the source (and I don't just mean before or after the throttle body). For example providing the wastegate actuator with a signal after the intercooler will net you more power due to the turbo having to reach a higher pressure to compensate losses imposed by the IC before it'll reach the actuator spring's pressure. The downside is that due to the significant lag you'll see surges in boost and air temp.... not so good.

supra_rulz 06-25-2010 04:18 AM

ok. i will check where the vacuum line is hooked up and go from there


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