Quote:
Originally Posted by jagarra
Since we are talking about mileage, what are the correct plugs for a 305D motor? When I go to Rock Auto I see either 3/8" reach or 3/4" reach. My Motors manual says C44S for a plug, but it just list the E motor. I remember there was a reach change somewhere in that era, but am unsure which motor takes what reach.
|
There is two styles of heads you can have. Looking at the sparkplug hole if you see threads at the top of the hole it is short reach plug. If it is down lower into the head it a long reach plug. Beware it is possible to have both style on an engine. I have an engine that has both style of heads.
