Iron47
26.04.2021 4:26:14
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These marks are aligned at either TDC compression stroke for cylinder #1 OR cylinder #6. To verify that it is aligned for cylinder #1 you can remove your bank 1 valve cover and make sure both the intake and exhaust valves are closed, if they are not, the marks are aligned for cylinder #6, rotate the engine another 360 degrees and re-align the marks, the valves should be closed now and cylinder #1 is at TDC on the compression stroke. There are other ways to check if the marks are aligned for #1 or #6, but watching the valves is the most accurate.
Congrats! you now have a properly installed and set vortec distributor.
The preface to part 1 of this article is that you are trying to install a vortec distributor that has been removed without marking its position first. If you have not removed the distributor yet, it is a wise idea to mark the distributor body and rotor position prior to removal so that it can be reinstalled in that postion without having to rotate the engine. Part 2 is universal and will help you properly set the postion sensor.
In order to fine tune the camshaft sensor and lock it down in the fully correct postion you will need access to a scanner which is able to view live data and read the CMP Retard Offset data from the PCM. There are a few scanners that can do this, however I do not have an all inclusive list of them, the most common ones that are used for this are the TechII from GM, and EFILive. If you do not have a scanner that is capable of this, you have a few options. You can get one, like the EFILive scan tool, or scan and tune, or after completing the rough postition alignment from step 1, you can take the truck to a shop which has access to the proper scanning equipment to have them set it, this should only take a short time to perform, however most shops have a minimum labor charge which can be quite expensive. Because there are different scanners which are able to read the CMP offset, the instructions below will be generalized and not specific to any one scanner. If you require further help, please feel free to ask in our forum. [links]
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
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Completing the CAPTCHA proves you are a human and gives you temporary access to the web property.
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Howdy all,
Me again!:)
I have noticed a lack of excitement on my ECU supplier's behalf to help me any more than they have.
So to this end i have decided as my back-up plan to replace the dizzy with a electronic style jobbie that they might be able to get right, thus eliminating my CAS as a problem.
I was having a look under the car for the timing marks on the harmonic balancer/timing cover. and cannot find the one on the timing cover.
Is it removeable? or is it cast into the plastic timing cover itself?
I have been told that i have to line up the 2 line's on the pulley/timing cover and then the 2 line's in the dizzy will be lined up as well. The one's on the timing cover being TDC on number1 and the one's in the dizzy being 'On the rock' on number 8, is this correct?
Can anyone help me?
Howdy all,
Me again!:)
I have noticed a lack of excitement on my ECU supplier's behalf to help me any more than they have.
So to this end i have decided as my back-up plan to replace the dizzy with a electronic style jobbie that they might be able to get right, thus eliminating my CAS as a problem.
I was having a look under the car for the timing marks on the harmonic balancer/timing cover. and cannot find the one on the timing cover.
Is it removeable? or is it cast into the plastic timing cover itself?
I have been told that i have to line up the 2 line's on the pulley/timing cover and then the 2 line's in the dizzy will be lined up as well. The one's on the timing cover being TDC on number1 and the one's in the dizzy being 'On the rock' on number 8, is this correct?
Can anyone help me?
there's a notch in the side of the balancer and one cast into the timing cover. the notch on the timing cover is at about 2 o'clock.
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