I have heard of some VW IDI guys running up to 1.10mm. That's too far in my opinion. When I was messing around with the old motor in my 244 I had a total timing advance of 1.05 (my altitude compensator did not have power to causing it to have full advance throughout the RPM range) And it drove fantastic with that amount of advance. A whole lot better then .85mm.
Has anybody here put a pressure gauge on the IP to see what RPM the IP starts to advance? I was thinking of losing the dynamic advance all together and running a static timing of 1.10 (that would be from idle to redline) That way I could get better lower end power and not have the advance to high in the upper RPM range to slowly damage the motor. This is how inline IP's are. Any thoughts???
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