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Re: Got MBC now. Questions....
Posted by Dean (more from Dean) on Tue, 30 Mar 2004 08:23:02
In Reply to: Re: Got MBC now. Questions...., Batman, Tue, 30 Mar 2004 06:13:09
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With a MBC, temperature does matter, lower temps mean more power and greater boost pressure overshoots. The MBC+A is the only solution to such issues.
"Maybe the wastegate is clamping shut better at low boost too? - maybe in the stock setup, the wastegate gets spikes from shifting, and doesn't recover well?"
I don't agree with any of that speculation. With the higher boost you may be buring the O2 sensor(s) a bit cleaner and perhaps blew some ash out of the catalytic converter or mufflers. That could effect MPGs. But as always, the only thing that we can compare is MPGs from a SID reset at speed with a fully warmed engine, trany and tires... with level ground and light or no winds.
When I increased boost many years a go in a 95SET, I noticed on tests run a large cloud of smoke, single event. I may have blown out accumulated oil in the IC.
posted by 66.142.22...
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