Winding the boost controller in to shut off flow should be the same result as blocking flow to the actuator. Also same as blocking the inlet side of controller.
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Winding the boost controller in to shut off flow should be the same result as blocking flow to the actuator. Also same as blocking the inlet side of controller.
So I bought a new boost controller. My existing controller was a "bleed" controller, different to the usual setup, I suppose usually found as "in cab" setups. See pic below.
Attachment 84331
So now I've gone for the conventional setup of an in Line T from Turbosmart and everything works.
To be honest I still am not sure why. As the old controller is simply just a bleed valve, theres no spring and ball setup in the valve, just a needle point the shuts off or allows air flow. I had tried everything else I knew first and this was my last straw before I was to hand the Patrol over to the experts for them to sort it. Now I don't need to.
One thing I have found though, and I'm still unsure why. Now with this new controller, boost comes on earlier than before, maybe circa 500rpm earlier, and off boost soot is way less than before. Dunno why! Im not gonna argue this. Maybe my on road "cowboy tune" has hit the sweet spot.???
Might even chuck it back on the rollers now for some extra killer wasps!