Want Help in home-making a Spark Plug Adapter for your **CHEAP** Dial Indicator????

[SeaKaye12]

So many of us with Mercury engines need a TDC Dial Indicator to aid in the setting of timing.

I have looked at Harbor Freight and others and have seen numerous **CHEAP** Dial Indicators; but none of them seem to come with a spark-plug thread adapter.

So; I decided to make one (as has been suggested here numerous times)....

But; How to get the porcelain out? (I tried drilling through it....bad idea

Anyway...like most things...it's all in knowing how.

If you want to see the easy way...go to this guys page:

http://rd400.petercamburn.com/2008/08/25/homemade-2-stroke-timing-kit/

Thanks to the poster over on the JohnnyRude Forum for that...

Chuck

 

[j_martin]

Re: Want Help in home-making a Spark Plug Adapter for your **CHEAP** Dial Indicator?

You can just knock off the ground electrode, then beat it out with a punch and a hammer. Be sure to wear safety glasses.

 

[Fuzzytbay]

Re: Want Help in home-making a Spark Plug Adapter for your **CHEAP** Dial Indicator?

Cut off the electrode, then take a hacksaw, and cut the metal ring around the base of where the porcelain meets the metal housing, a few strokes of the saw and the anode will fall out. Make sure to drill a vent hole in the metal houseing to prevent the dial indicator being ejected due to compression.