Quote:
Originally Posted by tony1113
i know many mechanics in my area that use RTV to seal up the dist. cap and have been doing so for a while. As long as you put a thin line (and dont go over board) around the base of the cap then you should be fine. i deffinitly use the dielectric grease on my connections between my cap and wires and then again between the wires and spark plug. the problem i found with using the dielectric grease on the seating surface is that over time it will wash away whereas RTV will not. It fixed my problem.
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the reason I don't like the sealant is when the cap requires replacing you must be very though on removing all this old RTV sealant.
On my boat engine I had issues of moisture in the cap , this caused alot of ignition/starting problems, lots of mositure .
got the idea from boat mechanics. silicone dielectric grease. on base of cap , coat the wire surfaces with the small amount , use inside the wire boots.
so I also did this with the land based engines.
over a few decades I have yet to see a failure.wires last forever. the cap however does wear out but no arcing damage.
when I purchase a new vehicle zero miles , this is one of the prep jobs I do .
I have not experience this grease washing out from cap base.
I also don't wash my engines, some do , if so I can see how the grease gets washed out..