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Re:Check valves = boost leak?
Originally Posted by -Turbo Z24 Guy-
what about this idea? just drew up a quick diagram...
http://www.shownglow.com/2-cv-idea.bmp won't work, i have tried it, you just have to do it the normal way and get over your ideas. |
Re:Check valves = boost leak?
I've tried it too, it doesn't work. Having the check valve in line won't let the map sensor read properly..
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Re:Check valves = boost leak?
damnit!!!! in thinkin bout maybe crimping down the line goin to the map a lil so not as much boost can get to it/ecsape with the check valves... not that its really hurting performance, but i dont wanna lose even 1 cfm if poss. hmm...
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Re:Check valves = boost leak?
i dont see how you would be loosing boost with a check valve. its a one way valve (as mentioned) that only bleeds positive air pressure, NOT vacuum. if the check valve was placed right before the map sensor (most times you need more than one) you shouldnt be loosing any pressure going into the Throttle body. all thats doing is just stopping the map from reading positive air pressure, if your map is still seeing boost with a check valve, you either hooked it up wrong or its faulty. im not sure what kind of check valves your using, but i've personally found that fish tank valves work the best.
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Re:Check valves = boost leak?
Originally Posted by illusionsir
i dont see how you would be loosing boost with a check valve. its a one way valve (as mentioned) that only bleeds positive air pressure, NOT vacuum. if the check valve was placed right before the map sensor (most times you need more than one) you shouldnt be loosing any pressure going into the Throttle body. all thats doing is just stopping the map from reading positive air pressure, if your map is still seeing boost with a check valve, you either hooked it up wrong or its faulty. im not sure what kind of check valves your using, but i've personally found that fish tank valves work the best.
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Re:Check valves = boost leak?
i've tried the method shown in that picture and it doesn't work ('99 corolla stock map sensor). it'll idle for about 30sec and die on it's own. if you give it any gas it'll also die. used in a config. where they actually just bleed boost, it works but YES you're bleeding a little bit of boost so you might get a bit of lag.
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Re:Check valves = boost leak?
Originally Posted by illusionsir
i dont see how you would be loosing boost with a check valve. its a one way valve (as mentioned) that only bleeds positive air pressure, NOT vacuum. if the check valve was placed right before the map sensor (most times you need more than one) you shouldnt be loosing any pressure going into the Throttle body. all thats doing is just stopping the map from reading positive air pressure, if your map is still seeing boost with a check valve, you either hooked it up wrong or its faulty. im not sure what kind of check valves your using, but i've personally found that fish tank valves work the best.
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Re:Check valves = boost leak?
Originally Posted by -Turbo Z24 Guy-
Originally Posted by illusionsir
i dont see how you would be loosing boost with a check valve. its a one way valve (as mentioned) that only bleeds positive air pressure, NOT vacuum. if the check valve was placed right before the map sensor (most times you need more than one) you shouldnt be loosing any pressure going into the Throttle body. all thats doing is just stopping the map from reading positive air pressure, if your map is still seeing boost with a check valve, you either hooked it up wrong or its faulty. im not sure what kind of check valves your using, but i've personally found that fish tank valves work the best.
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Re:Check valves = boost leak?
but the map is before the cyl's, so therefore any boost being vented at all will be taken away from going into the cyl's. the amount might be minimal as all hell, but still.
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Re:Check valves = boost leak?
anyone have experience with the missing link? any good?
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