AMSOIL Engine Master's Challenge competitor Eric Weingartner of Weingartner Racing came to the competition with a 541-inch big block Chevy topped with a set RHS cylinder heads. It put down the big numbers, with 866 peak horsepower and as much as 757 lb-ft of torque. | AMSOIL INC.
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AMSOIL Engine Master's Challenge competitor Eric Weingartner of We…
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