Worn cam and lifters
Miscellaneous Topics

Zinc additives for flat tappet lifter break-in

May 2, 2017

Zinc additives have been recommended by most engine manufactures for years. So, why lower zinc and phosphorus levels in modern oils. The American Petroleum Institute (API) has regulated the amount of zinc levels to .08 […]

Engine oil sludge
Miscellaneous Topics

Engine oil sludge-Where does it come from

February 13, 2017

Engine oil sludge is actually the thickening and breakdown of your engine oil. Engine oil sludge is actually comprised of, Unburnt and partially burned fuel Metal fragments from engine component wear Dirt and debris that […]

Engine bearing clearance
Connecting Rods

Engine bearing clearance-FAQ

February 9, 2017

Engine bearing clearance is very important and can cause early failures if not correct. Engine bearings should operate with the least amount of engine bearing clearance as possible. As a result tighter oil clearances produce less […]

Coolant Leaks

Antifreeze in Oil – What Can it Do ?

December 9, 2016

Antifreeze in Oil – What Can it Do ? Antifreeze in Oil can be Catastrophic if not dealt with quickly. Organic acids may form as a result of antifreeze oxidizing: Glycolic acid Oxalic acid Formic […]


Rear Main Seal Leaks-or are they

November 26, 2016

It has been determined that 90% of all rear main seal oil leak complaints checked in the last five years are leaks in the pan gasket, rocker covers, side covers, etc., and are not leaking […]

contaminated oil
Coolant Leaks

How to clean engine coolant from lubricating system

December 15, 2015

Professional Installers offer the following information on clean engine coolant from the lubrication system. The following information applies only to certain situations and is not applicable for all engines. Consequently, These procedures may be attempted if […]