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: timing? YeloBlammo 09-02-2002, 05:41 PM question about timing.....while pointing the timing light at the pulley its at 10 btdc..(91 1.6) ...and when i accelerate the engine i cant see the marks..is that supposed to happen?..sorry for my ignorance, but my car is running crappy, so i checked my timing and i wasnt sure if its supposed to be like that...thanks... thepep 09-02-2002, 07:53 PM Originally posted by YeloBlammo question about timing.....while pointing the timing light at the pulley its at 10 btdc..(91 1.6) ...and when i accelerate the engine i cant see the marks..is that supposed to happen?..sorry for my ignorance, but my car is running crappy, so i checked my timing and i wasnt sure if its supposed to be like that...thanks... Why would you accelerate your engine? You're supposed to check and set timing with the engine at idle. I'm not 100% sure but I'm assuming if you accelerate the engine, it is rotating too fast for the timing lights to see the marks. Go here for timing hints on your engine: http://www.sentra.net/tech/garage/engine.php?#Timing Steve NismoPC 09-02-2002, 09:31 PM Originally posted by YeloBlammo ...and when i accelerate the engine i cant see the marks... :confused: Probedude 09-02-2002, 10:54 PM Actually it is because the ECU is advancing the timing when you rev up the engine. Timing lights are damn fast. Originally posted by thepep I'm not 100% sure but I'm assuming if you accelerate the engine, it is rotating too fast for the timing lights to see the marks. Go here for timing hints on your engine: http://www.sentra.net/tech/garage/engine.php?#Timing Steve YeloBlammo 09-03-2002, 10:30 AM Actually it is because the ECU is advancing the timing when you rev up the engine. Ok, that was what i was looking for, i thought that would be what happened but needed someone else to confirm it, thanks | ||