What oil should I use with a flat tappet cam?
AMO 10W-40 and ARO 20W-50 Synthetic Premium Protection oils are recommended for flat-tappet and late-model high-performance motors. Amsoil’s TRO 20W-50 Premium Synthetic Racing oil is recommended for highly modified, high-horsepower street or race motors.
Is Rotella good for flat tappet cam?
We learned that current-spec commercial-grade oil, like ROTELLA T, remains a suitable off-the-shelf lubricant for hobbyists with flat-tappet camshaft engines.
What oil has the most ZDDP?
What Motor Oil Has The Most Zddp? The Mobil 1 FS 0W-40 oil already contains a higher level of ZDDP (1,000 ppm), which could benefit your flat tappet engine in the long run.
Is diesel oil good for flat tappet cam?
Contrary to the current internet buzz that diesel oil is the oil to use in a gasoline flat tappet cam engine, the correct oil to use on a continuous basis in your classic car’s flat tappet cam engine is an oil designed for gasoline engines that contains the correct level of ZDDP anti-wear protection.
Is synthetic oil OK for flat tappet cam?
AMO 10W-40 and ARO 20W-50 Synthetic Premium Protection oils are recommended for flat-tappet and late-model high-performance motors.
How much ZDDP is enough?
ZDDP is most effective if the concentration is between 0.18 and 0.2 % by weight. Tests have shown that concentrations above this amount, up to as much as several percent, have no effect except to prolong additive life.
Does Shell Rotella have ZDDP?
What oil has the highest ZDDP? For those who want use regular oil (non-synthetic) without additives, Brad Penn ($5 qt), Shell Rotella T and Valvoline Racing oils have the highest Zinc/ZDDP content from some recent hot rod oil article I read at my local performance shop.
Does Rotella T4 have ZDDP?
Our Rotella T4 15W-40 (CK-4) contains about 1200 ppm of zinc and 1100 of phosphous. These are the components of the ZDDP for anti-wear protection. Rotella T4 15W-40 (CK-4) is generally recommended for older flat tappet cam motors.”
Does Rotella have ZDDP?
About 1200 parts per million of zinc and 1100 parts per million ofphosphorus are contained in our Rotella T4 15W-40 (CK-4). ZDDPs are designed to protect against wear and tear.
Does 15w40 have zinc?
It is estimated that the 15W-40 Rotella T with Triple Protection oil contains 1200 ppm of zinc and 1100 ppm of phosphorus at the time of manufacture.
Do flat tappets need zinc?
You always need zinc oil additives for flat tappet cams if you want your engine to last as long as possible.
Can you put too much zinc in oil?
If you have too much ZDDP, you start to see corrosive wear and cause another problem. Adding an excess causes the oil to become acidic, and before you know, you’re wearing cams, bearings and bushings because of too much ZDDP.