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Re: Some success with B20. 120-130 67.5

Everybody is amazed when I recommend 21-24° BTDC, but if 30° works

for you and you don't get a lot of knocking (pinking) under hard

acceleration at low speeds, that's great. Might be that your timing

marks are a little off. But it is how it runs that really counts.

If I were you I would do a thorough check for vacuum leaks. This

sounds like a manifold gasket or some such to me. If anything I would

expect it to idle slower when cool.






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