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EFR 6758 wheezy whistler

 
Old 02-15-2019, 11:17 PM
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Default EFR 6758 wheezy whistler

I've got this brand new EFR6758 that likes to wheeze and whistle as I breathe off the pedal. In and around 2500-3000rpm it sounds like when you get a hard booger stuck in your nose and it whistles.

So it's a leaky diaphragm on the interval BOV. Can't be good for performance. I bought the Turbosmart Kompact Shortie and it's all good now.

Does anyone else around here have this problem?

The problem is prevalent enough that Turbosmart manufactures a solution. So should I even bother putting a note in Borg Warners suggestion box? I really like the Turbosmart solution, so I'll keep it, but I'm really surprised that Borg Warner doesn't offer the option to upgrade the diaphragm so it doesn't suck.
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Old 02-16-2019, 09:49 PM
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my bypass valve makes a whining/whistling sound at part throttle vacuum cruising.

a bit annoying...

i read BW sells different springs or something for the bypass valve, but have not looked into this further.

so turbosmart makes a diaphram for the bypass valve that solves this annoying sound? got a link?
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Old 02-16-2019, 11:03 PM
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Yeah it's this thing: turbosmart

And that whistling could be indicative of that valve leaking. I tried buying the stronger spring, but Jegs had it on some indefinite backorder. But you know what? That f$$cking spring is their attempt to fix a problem they are aware of! Which is bull ****.

eh I'll be mad until the $140 is long forgotten.

Oh and the only thing I don't love about the turbosmart is that it gives a light flutter that the ricer bois love.
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Old 02-16-2019, 11:13 PM
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Originally Posted by Mudflap View Post
Yeah it's this thing: turbosmart

And that whistling could be indicative of that valve leaking. I tried buying the stronger spring, but Jegs had it on some indefinite backorder. But you know what? That f$$cking spring is their attempt to fix a problem they are aware of! Which is bull ****.

eh I'll be mad until the $140 is long forgotten.

Oh and the only thing I don't love about the turbosmart is that it gives a light flutter that the ricer bois love.
thanks for the link.

that whistling is annoying, but not $140 annoying to me

ill see if i can get the BW spring first.

JEGS seems to always be out of BW stuff, ill call up Industrial Injection in SLC, where i got my turbo and see if they have the other spring.

ill post here if this spring solves the noise.
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