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Creeg, I just read post #1 again.
I will suggest that you NOT install your new Seawater Pump impeller at this time.
Wait to install it when
You must have the indicator light connected or it won't work. The bulb cannot be LED, has to be incandescent (filament) bulb.
Mat, does your RED 1 pc flywheel cover have a grease fitting or grease cap on it?
If so, it is intended to use the "double bearing" PDS.......
Sorry, thought I fixed it. Should read 1975-1979
Yes...just spent $650 for a complete tune-up (coil, dist,wires,plugs,filters,etc.)
This WOT hesitation/knocking issue was there with this rebuilt