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Steve_Mack_CT · 04-23-2026, 08:34 AM

I can give you my builder's thoughts as I am not an expert mechanic but he is. Grooved. Also, just along related lines Babbitt is sufficient for up to 5.5 head if you're going that route. Rod bearings absorb more in general terms.

Good luck with it!

04-23-2026, 08:34 AM	#2
Steve_Mack_CT Senior Member Join Date: Jun 2015 Location: Central CT Posts: 379	Re: thoughts on main bearing Babbitt ?? I can give you my builder's thoughts as I am not an expert mechanic but he is. Grooved. Also, just along related lines Babbitt is sufficient for up to 5.5 head if you're going that route. Rod bearings absorb more in general terms. Good luck with it! __________________ Steve Current: 1931 Model A Deluxe Roadster