BP turbo build/advice

hc_416

I was thinking that or a wastegate, do you know how i would check?

Chuck33079

Take the bov off and lube it. Turbosmart makes a spray that works great, but I'm pretty sure it's relabeled wd40.

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jwick

If you aren't make boost, I'd think the BOV is stuck open. If you were over boosting, then I'd think waste gate.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

hc_416

what weird is it wll not make boost on low throttle, but when I am at full throttle it works like normal. I'm out of time this weekend because I work sundays but I will try to lube it next weekend.

hc_416

Can anyone tell me what size the clamps are for the blow-off vavle?

Boosted Performance

This is a Tial 50mm, only Tial clamps will work.

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hc_416

can i reuse the one's on there? or should i just jack up the car and service it in
the air?

hc_416

I was talking about the ones that are holding on the vacuum hose, the v band clamp will be easy to get. It looks like the vacuum lines are attached with one and done clamp. Just wanted to make sure before muff something up.

Boosted Performance

Are you talking about wastegates or BOV?...and what is the issue?

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hc_416

i was talking about the BOV and i seem to have no boost at less than half throttle and its fine when I have full throttle. I was going to look and see if it was stuck open or needed lube. They had a problem with it when they first installed the kit and maybe it is still not working right.

hc_416

Update, I had to put on a new passenger side caliper and it was easy peez. I then went to work on the blow off valve. I took off the banjo fitting and left the vacuum hose on it. After taking it off I noticed i took it apart. I found the diaphragm to be in good shape and clamped down correct. On the negative side I did see some debris, (a few mettle shavings), and the was a little bit of gunk on the sleeve of the bov were the piston goes. I'm am going to clean off the gunk, and oil it with wd 40. Just wanted to check in and get anymore advice or suggestions! thanks again for the help guys

hc_416

So I finished cleaning the, BoV and all seems to be working ok. Now to work on the jumping AFR!!

jwick

Take out the secondary O2 sensors and your AFR will even out. You'll need your turner to turn off the code for those sensors.

Edit - As a trial just unplugged them and see if it fixes idle AFR.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

hc_416

ok will do, were should i unplug them from? by the transmission? and I will do it in the morning and let you know what happens. I have ecutek. what would be the best way to check out the jumping afr? I do have the add on pack for my profec should i double check with that?

jwick

You don't have an AFR gauge?

And yes just unplug them. He harness plugs run by the transmission. I'd zip tie them out of the way if you are going to take it for a test spin. I removed mine completely and just plugged them with bung plugs, and not the kinky kind.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build