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Andy@Livernois · 12-17-2011, 09:48 PM

I couldn't speak for TSP on clearance with their heads, as the valve could be sunk compared to stock, or could be raised compared to stock, changing what PTV would be. We base all of our clearances on a stock, unmodified head.

12-17-2011, 09:48 PM	#20
Andy@Livernois Drives: 1987 Buick Regal Turbo-T Join Date: Sep 2009 Location: Grand Blanc, MI/Dearborn Heights, MI Posts: 452	I couldn't speak for TSP on clearance with their heads, as the valve could be sunk compared to stock, or could be raised compared to stock, changing what PTV would be. We base all of our clearances on a stock, unmodified head.