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Originally Posted by JEFF69Z28
Originally Posted by OneBadGMC
You shouldn't be setting the timing at idle anyhow.
Always rev the motor and watch the timing during RPM climbing. The valve train has to be loaded to properly set the timing. It can't be done right at idle, or at a constant RPM because there will always be slack in the chain. As was said prior, make sure the cam isn't walking either. |
Originally Posted by mopar1962
Hell if ya gotta remove the springs and weights to lock out the dizzy maybe its time for a better unit..... :lol:
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maybe if you knew how to set an advance curve ya wouldnt need to gut the distributor, slack in the chain? when the engines running it should take out the slack or maybe if your a real racer you would use a gear drive hotshot... :lol:
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Originally Posted by mopar1962
maybe if you knew how to set an advance curve ya wouldnt need to gut the distributor, slack in the chain? when the engines running it should take out the slack or maybe if your a real racer you would use a gear drive hotshot... :lol:
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on my ride 1200rpm ,and im 2 seconds quicker than you friend,and my distributor isnt gutted,, oh, and the other things called a cam button...
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Originally Posted by mopar1962
on my ride 1200rpm ,and im 2 seconds quicker than you friend,and my distributor isnt gutted,, oh, and the other things called a cam button...
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Originally Posted by mopar1962
maybe if you knew how to set an advance curve ya wouldnt need to gut the distributor, slack in the chain? when the engines running it should take out the slack or maybe if your a real racer you would use a gear drive hotshot... :lol:
I do use a Donovan gear drive, and MSD pro mags dont have springs/weights timing curves, so I didnt gut anything. Any other comments to put your foot in your face? |
Originally Posted by montecarlo84
At what rpm is a dizzy fully advanced?
The springs/weights determine the timing curve of the distributor. Most distributors can also be changed as to the total amount of timing advance. So, to find that out, you'll need to find someone with a distributor machine to spin it up and find out how much total advance, what RPM the advance starts, and how fast the advance ramps in. |
The reason it "normally" changes so bad is due to too much cam end play ! Tighten up the end play. 000-.005 at most.
Thats if the rest of the distributor is in good shape ! |
your ride idles at 1500 rpm,what effect would it have?your gonna be faster? the effect would be your totally advanced,mechanical,and centrifugal,meaning around 65% more spark advance,meaning the engine will respond,yes,one more time to put my foot in my mouth,why would ya need a distributor machine.I just told ya how to check the distributors advance curve the easy way, it isnt rocket science....
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