Feuling M-8 ‘Reaper’ Series Performance specialist Feuling’s ‘Reaper’ Series camshafts for M-8 applications have wide lobe separations to produce “very wide power bands,” says CEO Luke Leatherman.
“Smooth camshaft lobe ramps are easier on valvetrain components as they eliminate excessive valvetrain noise and wear and deliver improved throttle response and easy starting with increased MPG.”
The 405 cam is described as the “workhorse” of the range, producing a “wide powerband, increasing torque and HP throughout the entire rpm range when compared to stock”. A direct bolt-in replacement for Milwaukee-Eight engines, it can be used with stock valve springs, pushrods, lifters and exhaust.
Feuling says it will respond well with slip-on mufflers and/or complete exhaust system and a high flow air cleaner, and recommends using mufflers with smaller cores for best lower rpm power and pull.
The 465 ‘Reaper’ is “an accelerator, producing solid bottom end performance with substantial gains above 2,800 rpm when compared to stock.” This direct bolt-in replacement for Milwaukee-Eight engines can be used with stock valve springs, pushrods, lifters and exhaust. Use of performance valve springs is not required, but may result in a quieter, smoother running valvetrain, and this cam will also respond well with increased bore and/or compression.
Interestingly, Feuling also says that “due to the unstable nature of this four-valve engine design with one rocker arm activating two valve springs, we highly recommend running one-piece pushrods over quick install adjustable rods to maintain maximum cam/valve lift and reduce valve train harmonics and associated hydraulic lifter issues. Naturally, our HP+ pushrods are designed to get the job done.”
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