Timing doesn't mean dodo for lean. - Saab 900 Bulletin Board - Saabnet.com
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Timing doesn't mean dodo for lean.
Posted by JohnB (more from JohnB) on Sat, 3 Sep 2005 02:40:11
In Reply to: What's your timing set at?, RS
[Profile/Gallery]
, Fri, 2 Sep 2005 18:37:17
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Stock timing is 16BTDC. If you retard it you can generally reduce the combustion temperatures and vice versa (I've run 20BTDC and it helps low end torque but without an AID or some other means of boost retard the engine will knock and the apc just reduces boost), too much advance will increase combustion temperatures and give high nox (but lower co). How's your oil control....are you smoking at idle? How's fuel pressure? What's the injector waveform (both voltage and current) look like? Fuel pump current waveform?
posted by 68.55.24...
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