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Variable geometry turbo

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Markproa

Well-Known Member
Supporting Member
Joined
Feb 9, 2017
Messages
199
Location
Bellingen, NSW. Australia.
My converted engine is a Peugeot 1600cc DV6 Turbo diesel. I have just realised the original turbo is variable geometry so hence no wastegate and the actuator electronically controlled. My problem is that I've done away with all the electronics and I'm running a mechanical distributor pump instead of the common rail. That leaves me without control for the variable geometry vanes.
I've been advised I can run a manual control cable back to the instrument panel so I can choose say 1.5 atmospheres on take-off and 1 atmosphere for fast cruise.
Does anyone have knowledge around this to advise of any issues I should look out for? Is it possible to overboost a VG turbo?
 
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