Quote:
Originally Posted by rootmatt
No.
According to Bentley, The stats for a '79 SC are
5 degrees +/- 2 BTDC @ 950 rpm w vacuum hose disconnected.
26 degrees +/- 2 BTDC @ 6000 rpm w vacuum hose disconnected.
Setting the first of these will require judgment by eye or some crafty measurement if you don't have a timing light with an advance facility. (yes, Pelican appears to sell one) Fear not, though. The second of the settings @ 26 degrees corresponds to the notch on the pulley labelled as "BTDC" in the photo kindly supplied by Por_sha911, above. As I understand it, setting the idle advance will get you in the ballpark but it is the 26 degrees @ 6000 rpm that is the important setting. Obviously the two are interdependant. Setting the max advance @ 6000 rpm will ensure that the other is correct.
Happy timing
Matt
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I do have a timing light with a advance dial. Does the light hook up just like a normal car? (12v power to gun and clip on the #1 plug wire). My car is idling high at around 1200-1500 rpm. Do you think it would still be ok to set the base timing with that since they reccomend it at 950rpm? When they say 26 degrees @6Krpm, do they mean to rev the car to 6k and confirm it is close to 26degrees?