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Random B18 engine anomalies 140-160 1968

I've had a chance to mess with blocking off the PCV system and trying a tune. It made absolutely zero difference. I totally blocked off the manifold connection, and allowed the PCV to vent to atmosphere. I repositioned the jets back to 12 flats. Same issue as before, the car simply starves out of fuel. It will only run with the choke fully out. Went all the way to 18 flats, car will only run with the choke half out. Finally went back o 24 flats. Car runs just as before, pretty well, no choke needed when warm.

I may or may not still have an issue with my PCV. However, it doesn't appear to have been affecting my mixture. Am I looking at figuring out how to get the needles out now?






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