• 10:14

    High performance classic car enthusiasts know the pitfall of having an engine with a lopey idle and makes lots of power also means there is a lack of engine vacuum. This is caused by the narrow lobe separation on the camshaft. While low vacuum pressure alone is not an overwhelming concern, it does make operation…

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  • 3:47

    Weak rear control arms are a common problem for GM A-Body cars (Chevelle, GTO, Cutlass, Gran Sport). This problem is especially noticeable on high horsepower cars. For years the backyard garage solution was to add boxing plates welded to the open channel in the control arm, but times change and aftermarket control arms offer both…

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