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Ben V Ben V is offline
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Join Date: Oct 2009
Posts: 29
I am taking the car to an 80's porsche specialist, so they should have all the gauges and test gear. He is going to weld some extra boses in the manifolds to take wide band Lambda sensor for testing on the dyno.

I am still thinking it is a fuelling problem as by all acount the 69EZ seem to be pretty reliable and the vac/boost lines seem to be in good order. I have a question mark over the WUR and valve, the cold idle and start up seem pretty irregular and the revs do hang.

Any luck it's a rattle not det however I suspect it is, it's best to dyno it and be sure! Cheaper than a broken motor. It will certain give me some idea of what increase over 320bhp with the mods.

A point about the O2 sensor, I understood it was an improvement over the 930 system richening the mixture under full throttle, why would I want to remove it?

Thanks for all your input Guys
Old 11-04-2009, 06:53 AM
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