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18ss376 · 02-27-2019, 01:43 PM

My 434ci engine made over 800h.p. with 1-7/8 headers on the dyno, started with 2" headers & lost over 20h.p. The dyno shop was very suprised & we told them 1-7/8" would make more power. My engine builder & I were just smiling after the dyno pull.

02-27-2019, 01:43 PM	#9
18ss376 Drives: Camaro Join Date: Sep 2018 Location: USA Posts: 520	My 434ci engine made over 800h.p. with 1-7/8 headers on the dyno, started with 2" headers & lost over 20h.p. The dyno shop was very suprised & we told them 1-7/8" would make more power. My engine builder & I were just smiling after the dyno pull.