Nedavno Mrcheerful napisa:
But this is original carburetor with original jets, and it performed wry well in the past.
Actually the main reason I started this thread is to find out if something else other than carburetor can be the problem.
I can not tune this Pierburg 1B2, but something else may be wrong, and I can end up replacing it with weber for nothing.
I would check spark voltage, initial, vacuum and mechanical advance, air leaks.
Nedavno Mrcheerful napisa:
For this I have to find mechanic with whatever is used for measuring high voltage (and that is not easy where I am).
I adjusted initial advance, and checked vacuum advance. How do you test mechanical advance?
I found no air leaks.
If you can get it to rev reasonably smoothly, disconnect and plug the vacuum advance, point a timing light at the marks, and rev it gently. The timing should advance smoothly.
Nedavno Chris Bartram napisa:
Yes, I can get it ro rev smoothly, no problems when the engine is warmed up and with no load (car is stationary). I'll check mechanical advance as soon as I find some spare time.
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