307 y vin timing adjustment
February 27th, 2017, 05:07 PM
#1
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Location: northwest indiana, near gary
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307 y vin timing adjustment
can someone run me through the process of adjusting the timing on one of these 80's computer controlled distributors, I know I have to ground the computer but I don't know what to unplug
February 28th, 2017, 10:33 AM
#4
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Join Date: Mar 2007
Location: Northern VA
Posts: 47,265
SEARCH is your friend:
https://classicoldsmobile.com/forums...djustment.html
Bottom line is that you don't disconnect anything. You simply jumper the A and B terminals in the ALDL connector to ground the diagnostic lead.
https://classicoldsmobile.com/forums...djustment.html
Bottom line is that you don't disconnect anything. You simply jumper the A and B terminals in the ALDL connector to ground the diagnostic lead.
March 1st, 2017, 08:04 AM
#5
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Location: northwest indiana, near gary
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SEARCH is your friend:
https://classicoldsmobile.com/forums...djustment.html
Bottom line is that you don't disconnect anything. You simply jumper the A and B terminals in the ALDL connector to ground the diagnostic lead.
https://classicoldsmobile.com/forums...djustment.html
Bottom line is that you don't disconnect anything. You simply jumper the A and B terminals in the ALDL connector to ground the diagnostic lead.
April 14th, 2017, 12:09 PM
#10
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Location: northwest indiana, near gary
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April 15th, 2017, 09:48 AM
#11
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Location: Northern VA
Posts: 47,265
In any case, here's a little common sense: The computer is constantly varying the timing based on multiple sensor conditions. If you try to set the timing with the computer active, it will continue to vary the timing while you are setting it, meaning you will NEVER get an accurate initial timing set. Jumpering the ALDL connector as described above locks out the computer so you can set the timing properly.
April 15th, 2017, 12:26 PM
#12
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Location: northwest indiana, near gary
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Did you read the link back in Post #4 or the CSM?
In any case, here's a little common sense: The computer is constantly varying the timing based on multiple sensor conditions. If you try to set the timing with the computer active, it will continue to vary the timing while you are setting it, meaning you will NEVER get an accurate initial timing set. Jumpering the ALDL connector as described above locks out the computer so you can set the timing properly.
In any case, here's a little common sense: The computer is constantly varying the timing based on multiple sensor conditions. If you try to set the timing with the computer active, it will continue to vary the timing while you are setting it, meaning you will NEVER get an accurate initial timing set. Jumpering the ALDL connector as described above locks out the computer so you can set the timing properly.
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