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burnin oil · 07-04-2020, 08:10 AM

You can get 6" rods for about the same price when you buy the rotating assembly. I really liked the SCAT setup that I got but ha e the balance rechecked by the machine shop as they can be very generous. Hopefully your block is a 2 bolt main since they are stronger than the factory 400 4 bolt main. Invest in some main studs if you are going to run any rpm. Before assembly make sure all your bolt holes are drilled and tapped. My 509 core didn't have the power steering bracket or clutch ball stud drilled. I didnt notice and had to do them in the truck and that is a giant PITA!!!
I think $250 is fair on a complete engine that hasn't been produced since 1980. LS motor popularity dropped prices some.

07-04-2020, 08:10 AM	#135
burnin oil Registered User Join Date: Jan 2013 Location: Eastern TN Posts: 1,919	Re: 400/406 Builds You can get 6" rods for about the same price when you buy the rotating assembly. I really liked the SCAT setup that I got but ha e the balance rechecked by the machine shop as they can be very generous. Hopefully your block is a 2 bolt main since they are stronger than the factory 400 4 bolt main. Invest in some main studs if you are going to run any rpm. Before assembly make sure all your bolt holes are drilled and tapped. My 509 core didn't have the power steering bracket or clutch ball stud drilled. I didnt notice and had to do them in the truck and that is a giant PITA!!! I think $250 is fair on a complete engine that hasn't been produced since 1980. LS motor popularity dropped prices some.