02-01-2015, 01:05 PM | #1 |
Registered User
Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Finding TDC
I am getting ready to rebuild my distributor on my 1978 K30 454ci and I want to verify TDC before putting the distributor back in. I made the below list, using several threads I found on the forum. Does everything look right? If something is out of order or wrong point me in the right direction.
One thing I am still fuzzy about is how far into the cylinder i screw the stop. 1. Insert the piston stop, then turn the engine by hand until the piston contacts the stop. Mark the balancer at that point where the 0* is. 2. Then rotate the engine back the opposite way until it hits the stop again. Mark the place where it stops using the 0* as a reference 3. TDC is exactly between the marks. If that is where the factory timing mark hits, nothing needs to be done. If it dosn't make a new "permanent" mark. 4. Rotate the engine to where the the harmonic balancer is lined up on 8 degrees to the right of the 0* 5. Holding the dist above the hole, point the rotor to the #1 piston and drop the dizzy in. May need to turn the oil pump shaft. 6. If the rotor rotates away from the #1, pull and adjust, drop in again. Adjust oil pump shaft again if needed. 7. Install the dist cap, whichever tower the rotor is pointing at is now #1 - should be front right corner 8. Install the plug wires in firing order sequence: 1 8 4 3 6 5 7 2 working clockwise around the cap 9. Cut wires to fit and istall the plug wires to the plugs. So other than hope I don't goof it up, does the list look OK? Thanks guys! |
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