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Old January 29th, 2019, 04:31 AM
bigblockv6 bigblockv6 is offline
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Default Re: Terrible gas mileage,

Quote:
Originally Posted by jagarra View Post
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.
I have a 62 Owner's manual, it list the C44S plugs for the 305D, This number as old as it is most likely has been superseded with a different number. I would say you have the 3/8 reach plugs.
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