This is without a doubt the most important video we've ever produced. Two full 1 hour technical seminars were presented over two days by Mark McPhail of GM Motorsports in conjunction with "Impalapalooza On The Green 1997". Mark discusses the LT1, LT4 and the LS1 engine, and he talks in-depth about various performance enhancements for these motors.

The seminar includes a question and answer session that addresses many of your performance questions concerning the Impala SS. From knock sensors to cams to what size exhaust works best on your Impala!

Mark's advice could save you hundreds if not thousands of dollars by telling you which parts don't work, but more importantly which ones do! Running time is 2 hours.

IF YOU'RE THINKING OF DOING ANY MODIFICATIONS TO YOUR SS...
YOU NEED TO WATCH THIS VIDEO FIRST!

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