Thread: Engine: 2.1 Carb B21A: - PCV System with aftermarket Webers Help please.
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Old Sep 11th, 2019, 10:52   #12
Clan
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Quote:
Originally Posted by classicswede View Post
The 123 tune uses the vacuum signal direct from the manifold as fitted so that would be right. It is not an advance mechanism but a MAP sensor for ignition mapping
well that stand to reason but a new question arises .. Why fit a programmed ignition system ?? Unless there have been other changes in the engine such as performance camshaft . :-)

I would keep those webers if this is the case ...
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