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Well i just got off the phone with mancini racing and told them my issue and they said i would have no problem with kb400 pistons and to make sure to measure how far the piston sits!They said if it is not zero decked to run steel shim head gaskets and my compression should be between 9.5 to 10.1!I can make a 750 dp work just like i did on a 360 but i like the 3310 too!And trucks can run too,they might be heavy but so is 71-74 b-bodies plus using 3000 stall and 3.91 gear and may go lower!




What are you planning to do with this truck ? Do you want it to run on pump premium ?