08-07-2010, 11:42 AM
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#21 |
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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maybe it is the fact that it's an auto then that means I'm not noticing the rich spot caused by dumping boost.
At the end of the day I'm not too worried if it does go rich for a split second, after all it's only when the BOV is active (not half as much as it is on a manual), the rest of the time the motor's getting 100% of any air it meters. A second BOV wouldn't affect over-run mixture any more than a single one would since all the boost is already getting vented to ATM, it would just be vented marginally quicker if a second was installed. I think this has kinda gone off on a tangent since I already have the one installed & wasn't enquiring about any issues with that, simply whether there's any real benefit to installing a second BOV at only 10psi or if it would simply result in a different sound (which is all I'm after really)... Anyway I think most of my cash is gonna go the 2-wheeled route now, I'm that much of a glutton for punishment!
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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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08-07-2010, 12:06 PM
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#22 |
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Supra Forum Moderator
Join Date: Nov 2009
Location: Green-Ohio
Posts: 1,297
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well be careful. I known people to put their bike away and never take it back out after a close call.
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 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : Last edited by Green7mgte; 08-07-2010 at 12:23 PM. |
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08-07-2010, 05:43 PM
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#23 | ||
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Quote:
Quote:
Dual BOV's should have independent vac sources. Running the second with a tighter spring so that is opens a little later and only when there's a stronger signal can also be desirable. I'll speculate and add that you may notice more of a richness at shifts after this with the auto. The point about auto's is a good one which I hadn't previously considered... thanks for bringing it up. 
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