timing?
April 11th, 2009, 4:06 PM
#1
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timing?
what do you guys set your timing to? i have a 5.7 litre 350 i think the timing is off a little bit takes a little bit to crank it over do you set it to 0 or is it advanced to like 8?
April 11th, 2009, 6:04 PM
#3
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yeah i timed it by ear but it still just doesent seam right ill double check it with the timing gun just wondered what it should be set at thanks!
April 11th, 2009, 8:41 PM
#4
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The emmision info on my 95 says 0 but I have it advanced about 8 degrees and only run 93 octane. That's with the factory TBI electronics.
April 11th, 2009, 9:50 PM
#5
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yeah i have to run 93 octane with me superchip but i will time it tommorow and try it at 8 its set at zero but i think it needs advanced more with the setup i got thanks guys!!
April 12th, 2009, 1:38 PM
#6
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yea mine was factory at 12.... i heard putting them at 8 will give you the most out of the TBI 350... if its stock... like say port and polished head the heads and time it to 8 and then put a better coil and cap set up on her and that STOCK 350 TBI from what i have heard will come alive
April 12th, 2009, 3:21 PM
#7
This is a stroll down memory lane for me, take the 5 minutes to make sure the rotor and cap are intact, in good condition, and screwed down tight, with no pitting or carbon tracks. If it's HEI, make sure the dielectric grease at the bottom of the ECM isn't dried out to dust.(precursor to an ECM burnout) Pre-HEI, that condenser goes bad even though it has no moving parts, replace it EVERY TIME YOU REPLACE YOUR POINTS or you'll have a broad,blatty dwell, instead of a sharp, crisp, clean spark.
The harmonic balancer sleeve on the GM crankshafts tends to slip on some engines, so that timing mark can't be absolutely trusted. Mark it where it is right now, and try advancing it a little, and retarding it a little, gradually. You'll have to run it @1/4 tank of gas between adjustments to see any real improvement.
The harmonic balancer sleeve on the GM crankshafts tends to slip on some engines, so that timing mark can't be absolutely trusted. Mark it where it is right now, and try advancing it a little, and retarding it a little, gradually. You'll have to run it @1/4 tank of gas between adjustments to see any real improvement.
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April 13th, 2009, 4:21 PM
#10
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ok timing by ear you advance it till it pings like a lean nock then after you hear this nois how far do you retard it? just till the noise goes away?