Re: Intake valves making contact with spark plug

Posted by Retired  On 2024/10/15 22:01:18

All sounds logical and like great advice.
I have a shop manual for 1937-38. I assume the 8cyl. would be the same in the 36.
The manual calls for champion Y-4’s, there are currently J-8’s in the engine. I know the numbers pertains to the heat range,
What does the letter refer to?
Thanks