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200T Head Gasflow?
In message <34BC593E.D44170FB@reutech.co.za> firstname.lastname@example.org (Renier Meyer) writes:
> My car's head has just been removed to redo valve seals.
> My questions are:
> 1) Is it worthwhile to gas flow the head
> 2) What are the gains in hp realistically?
> 3) Is there some specialist knowledge available about the profile and
> what needs to be done?
> Please let me know if someone has done something similar.
John Robinson has gasflowed his MB engine and finds that performance has
_suffered_ as a result. If you put more air in, ya gotta put more fuel in to
keep the mixture right. That's basically controlled by the air mass sensor (up
to a point) and then by the ECU. How do you tell the ECU that more air is
going in for a given boost level? The ECU is not connected to the air mass
Committee Member, UK Audi [ur-]quattro Owners Club