Was boosting 15psi, now only 10.

Fubar231

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Apr 2, 2008
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So i just recently installed my 550cc injectors and the lexus afm, already have a walboro 255, no AFPR. Anyways, i turned the boost up to 15 it was all good yadadada, driving home on the freeway i got on it... 10 psi. Wtf? Got off the freeway, went at it from a light, 10 psi... ?? I AM ON STOCK BOV! Think the 15 psi was just too much and it opens a little letting some past? My boost gauge shows no vac leaks, -19 at idle. Entirely clueless... please help me out!
 

Fubar231

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Apr 2, 2008
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When you say blow through it, you mean the big hose part right? Not the vacume nip part. Cause if so, LOL! I blew through it like it was nothing at all.... Well... time for a bov!
 

Fubar231

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CajunKenny;1461446 said:
If you can blow through it in ANY direction, she's done. Yep, time for a new one. :)

Great. Get everything else good to go then the freaking recirc valve of all things prevents me from upping it. Can i catch a break haha.
 

CajunKenny

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Nov 15, 2007
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Like poodles is thinking, it could be something else along with that.

My buddy had a stock bov go bad and got a split in his IC pipe at the same time. LOL...
 

Fubar231

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Ouch. Luckily i got hardpipes so i dont have to worry about that. Blowing through the bov is probably not good, going to replace that and go from there...
 

Fubar231

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CajunKenny;1461458 said:
Nope, being able to blow through it is not good. But, hey...you know what they say:

"If it breaks, upgrade it!" :)

My friends got 2 stock ones laying around, and his aftermarket one (TurboXS Bypass Valve #25) and tomorrow im gonna cruise out there and see whats going on. Try them out, hope one of them works.

black89t;1461694 said:
get the bosch 110. it has held 15-18psi for me no problems.

This is my plan since im low on funds, that is if i cant find anything locally (Aftermarket). Found a greddy type s and a hks ssqv, but not sure how much the guys want for them. Im not going to pay 180$ for a 220$ bov.