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- Lunati Hydraulic Flat Tappet Cams
Butler Performance Inc. - Lunati Hydraulic Flat Tappet Cams
Voodoo Retro Fit Cams deliver more area under the curve than many other camshafts. This means more throttle response, quicker acceleration, more vacuum and better efficiency. These factors, combined with maximum horsepower and torque, makes Voodoo camshafts the perfect choice for a wide range of high performance applications.
**Due to so many variable that can affect flat tappet cam and lifter life from break-in and beyond Flat tappet cams are subject to manufacturer’s warranty ONLY.
This is due to stringent break-in procedures that must be followed (including removing inner springs for break-in), rocker ratio, the special oils/additives required, lifter bore inconsistencies of size and angle in stock blocks, issues of lifter bore wear and oil bleed off on 40-50 year old Pontiac blocks and so many other variables that can affect cam/lifter life both right from the point of break-in as well as durability after break-in.
Keep in mind that just because an engine “ran for 40 years with the stock flat tappet cam and lifters” doesn’t mean that a more aggressive cam that also requires new, stronger springs will have the same life. Or even make it through break in. Block/Lifter bore issues are magnified once you change cams, springs and/or rocker ratio.
If you have an issue with a flat tappet cam/lifters and you believe it’s a warrantable issue then Butler Performance will return the cam to COMP/Lunati/Melling for inspection and any warranty/replacement will be at their discretion. We do not warranty flat tappet cams in any way past the manufacturer’s warranty. We do not warranty any parts damaged by or parts needed to replace a flat tappet cam/lifters including any labor involved. BUTLER PERFORMANCE HIGHLY RECOMMENDS UPGRADING TO HYDRAULIC ROLLER CAMS.