Where to set timing.
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I keep seeing ~4 degrees taken out for a 100 shot but is that from a stock timing chart or anyones current? Im running 27* at wot. Far from stock timing on my ly6. Back when it was a 4.3 v6 I pulled the timing off the tuned map I think. Its been 4 years so I want to make sure since this is the year that I finally return to nitrous.
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Reading plugs, unlike checking the afr which should be done on cyl 7 because its ussually the hottest and leanest can i check the timing on any plug? Or check on all? Cylinders 5 and 7 I have to remove the steering shaft to get to which is a bit tough if Im doing this after shutting down right after a run at the track and im just on the side of the return lane.
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macca 779 that timing was set at 22* with tuning and reading plugs by a reputable tuner in my area , i dont guess at nothing. If i am not absolutely positive about something I dont post.
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Reading plugs, unlike checking the afr which should be done on cyl 7 because its ussually the hottest and leanest can i check the timing on any plug? Or check on all? Cylinders 5 and 7 I have to remove the steering shaft to get to which is a bit tough if Im doing this after shutting down right after a run at the track and im just on the side of the return lane.
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On my mast motorsports 4500 intake 1&2 are my hottest also. This is with a plate. Whatever you think pull 2 extra. If you get the tune up right on 100 and then slowly increase you will be golden.