The nature of the Beast: M156/M159 Valvetrain with Flat Hydraulic Tappets

It's been a known concern that since emissions regulations have been more stringent, Flat Tappet Cams and their Lifter have been known to breakdown. There are strategies to help the success of Flat Tappet Cams and their Lifters and it has been discussed in Hot Rodding forums and Classic cares. First we explore what's happening. Follow Instagram: @63motorsports Tiktok: @social.63motorsports Facebook: @63motorsports Youtube: ‪@63motorsportsinc.37‬