Jul 1, 2008 · We demonstrate how engine lubricant choices contribute to flat-tappet camshaft failure in racing engines and how you can protect your motor - Circle Track Magazine

Feb 4, 2024 · Running a modern synthetic oil for gas engines with high mileage additives ensures maximum protection for flat tappets and minimal leaks (as synthetic oils can exacerbate a …

Apr 13, 2015 · We tested two methods of do-it-yourself, one-drop, engine-oil testing: the widely available Engine Check-up test kit and just plain cardstock (Neenah Bright White Cardstock, …

May 4, 2016 · Roller lifters with their additional axle and lobe oiling holes do cause a slight pressure drop noticeable at idle. Isky for one suggest 10-12 psi drop at idle over flat tappets …

Jun 6, 2013 · Break in oil for break in, and a ZDDP flat tappet type oil for after break in. I've seen this scenario a number of times. Customer breaks in motor with break in oil.

Feb 26, 2014 · Back in the day flat head V8's in the hot summer weather had very little oil pressure at idle, maybe 5 lbs. They also like to vapor lock. You could fix that by increasing the …

Nov 30, 2020 · Cam and bottom of lifters to be coated with break-in lube. How should I prep the lifters with oil before install? I have found three different methods recommended: 1. Coat the …

May 25, 2017 · That's observant of you to monitor your oil pressure behavior, make a component change to the engine, observe the subsequent pressure drop, and attribute the change in …

Feb 25, 2025 · I shut it off and installed another mechanical gauge in the side oil gallery up front and ran the engine again.....and it also showed a drop in pressure to ten pounds. Is there any …

Aug 27, 2007 · Typical flathead trait...gauge reads above half, when engine warms up, guage drops to near zero at idle. Ford solved the problem...by using a FALSE READING oil pressure …