4020 engine bored to 466 December 03, 2018 11:46PM
Has anyone ever bored a 4020 out to 466? 4240 pistons and sleeves? If so how much horse power did you gain? What size Roosa Master pump did you use?

Re: 4020 engine bored to 466 December 04, 2018 06:34AM
yes I have you call me if you like, 573 881 1633

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