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08-04-2010, 04:22 AM
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#1 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Go to the parts store, go in back and find two hoses which reduce.... sheesh... get over it, it's no big deal... you don't need to go to the trouble of building some sort of adapter.
No BOV will ever sound more impressive than the duck call BOV. I'm thinking about piping one in as a secondary with a VSV on the signal hose so I can turn it on and off at will.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal.  Tip Jar --->  Last edited by cre; 08-04-2010 at 04:33 AM. Reason: restored |
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08-04-2010, 04:28 AM
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#2 |
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Supra Forum Moderator
Join Date: Nov 2009
Location: Green-Ohio
Posts: 1,297
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wtf... hmm must of hit edit instead of quote.
my bad.
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 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : |
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08-04-2010, 04:34 AM
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#3 | |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Quote:
n/p.... I have madddd powah!!! 
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar ---> |
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08-04-2010, 12:16 PM
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#4 |
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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Now this thread kinda hits on a subject I've been pondering during my enforced downtime, if I were to plumb in an extra BOV (Currently fitted is a Bailey twin piston valve, was thinking one more of the same) is the effectively doubled BOV venting capacity going to do anything other than produce a shorter, sharper "PSHH" when coming off the throttle?
(Bearing in mind I have an auto so am not worried about reducing spoolup/lag times post gearshift, just after venting quicker primarily to scare peds. more, but also on the theory that quicker venting of excess boost on closing the throttle might be better for the turbo bearings...)
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'89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!! 
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08-04-2010, 03:08 PM
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#5 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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you're not going to see a major benefit unless you're running a massive amount of boost.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar ---> |
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08-04-2010, 03:37 PM
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#6 |
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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That's kinda how I figured it would be on the benefits to the turbo side of things, and it is only running about 10psi but it does seem to take a couple of seconds for the boost to bleed off when the single BOV opens (maybe I'm exaggerating things in my mind, not driven the damn thing for months & it's sending me
 !) and really the main thing I'm after is to change the blowoff sound from a PSHHHHH to more like a PSH!!.Maybe I'll just plumb in the original recirc. valve (but venting to atm.) alongside the Bailey BOV & see what sort of effect that has before spending money I don't have yet on something I already have one of...
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'89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!!
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08-04-2010, 04:08 PM
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#7 |
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12psi boost
Join Date: Jul 2010
Location: Utah
Posts: 332
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Your ECU looks for that air between shifts it will almost certainly bog down or backfire when u lift off the throttle when i had mine to the atm. just for troubleshooting it ran like a dogs a$$. definatly wouldnt reccommend that!! unless you run some kind of AFC to change the parameters during shift point...even then it takes alot to get right with out aftermarket EMS or MAFT PRO.. or in other words.. $$$$$$$$$$
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