Turbo XS manual boost controller issues - 3000GT/Stealth International Message Center

Mitsu91VR-4 · 06-22-2008, 06:43 PM

The car is a 1991 Vr-4, I've had it for some time now but just pretty much got around to modifying it engine wise.

I have pressure tested it and the only leak seems to be coming from the manual boost controller, it comes out of the little black rubber washers in it,

Is it supposed to do this or do I have a faulty MBC?

Mitsu91VR-4 · 07-09-2008, 07:12 AM

bump...

210vr-2beast · 07-09-2008, 10:08 AM

That's the same one I got...I hope it is just a defect in yours and not everyone's....

mywetdream · 07-10-2008, 09:14 PM

i would see if you can replace those o- rings ..at least that is what they look like in your pics....all MBC are a controlled boost leak...they have what is called a bleed off vavle...i dont remeber the exact reason why..but they all have it..

06-22-2008, 06:43 PM	#1 (permalink)
Mitsu91VR-4 Forum Member Join Date: Jul 2007 Location: Rocky Hill, CT Drives: 91 VR-4 Trader Rating: (0)	Turbo XS manual boost controller issues The car is a 1991 Vr-4, I've had it for some time now but just pretty much got around to modifying it engine wise. I have pressure tested it and the only leak seems to be coming from the manual boost controller, it comes out of the little black rubber washers in it, Is it supposed to do this or do I have a faulty MBC? __________________ Kazera KZ-A, POS Turbo XS MBC @ 13lbs, NO CATS, Evo 9 BOV, Autometer boost gauge, vac reduction, Short shifter, HKS Intake, Intrax springs, NGK wires Garage floor: Downpipe, IPS single shot For sale: Greddy 16g's NEED REBUILD 100 Bucks

07-09-2008, 07:12 AM	#2 (permalink)
Mitsu91VR-4 Forum Member Join Date: Jul 2007 Location: Rocky Hill, CT Drives: 91 VR-4 Trader Rating: (0)	Re: Turbo XS manual boost controller issues bump...

07-09-2008, 10:08 AM	#3 (permalink)
210vr-2beast Forum Member Join Date: Mar 2008 Trader Rating: (0)	Re: Turbo XS manual boost controller issues That's the same one I got...I hope it is just a defect in yours and not everyone's....

07-10-2008, 09:14 PM	#4 (permalink)
mywetdream Oh SNAP!!! Join Date: Jun 2004 Location: colorado Drives: 94 TT, 69 427 vette Trader Rating: (19)	Re: Turbo XS manual boost controller issues i would see if you can replace those o- rings ..at least that is what they look like in your pics....all MBC are a controlled boost leak...they have what is called a bleed off vavle...i dont remeber the exact reason why..but they all have it.. __________________ If you feel I have answered your question..leave me some rep...thanks 1ST place RMG 07 best engine Like the snake the BITE must be felt and not seen, goin super, until then super slow want some!!! 1st car with the Enkei RZ-5 18''x8.5'' 534x306 1994 Dodge Stealth R/T TT~Pearl Yellow

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