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Pete · 11-22-2013, 01:43 PM

"I thought as much since I never heard of anyone converting an engine to wet sleeves before."

It depends on what level of success you are talking about..I know of 2 that were wet sleeved to 3 7/16 (315 ci) and raced in the USAC modified hardtop division for 3 years. One of them finishing in the top 3 for 2 years in a row. BUT, he had a big bux sponsor and the engine was torn down after every race program to fix leaks.

"I think the key to performance would be better air flow, if we could only put 2" intake valves in one "

There have been literally thousand's of flatheads built with 2 inch intake valves.
Without weld modifying the ports, they breathe better with slightly smaller valves though. The flow bench always wins.

11-22-2013, 01:43 PM	#7
Pete BANNED Join Date: May 2010 Location: Wa. Posts: 5,423	Re: Wet Sleeves? "I thought as much since I never heard of anyone converting an engine to wet sleeves before." It depends on what level of success you are talking about..I know of 2 that were wet sleeved to 3 7/16 (315 ci) and raced in the USAC modified hardtop division for 3 years. One of them finishing in the top 3 for 2 years in a row. BUT, he had a big bux sponsor and the engine was torn down after every race program to fix leaks. "I think the key to performance would be better air flow, if we could only put 2" intake valves in one " There have been literally thousand's of flatheads built with 2 inch intake valves. Without weld modifying the ports, they breathe better with slightly smaller valves though. The flow bench always wins.