WebAug 14, 2024 · Break-in oils have existed long before the flat-tappet cam break-in fiasco of the mid-2000s. There is even a chapter dedicated to break-in oils in the “SAE Lubricants Handbook.” It was commonplace for OEMs to use break-in oils before car leasing became popular. As the EPA fuel economy requirements tightened, the need for less … Web112951-06 Howards Cams Hydraulic Flat Tappet Oval Track Lift Rule Camshaft; 1955 - 1998 Chevy 262-400 3000 to 6000 112951-06 ... Note: Due to oil available today, all Flat Tappet Cams (hydraulic or mechanical) must be initially ran with a quality break-in lube, such as Howards Z.P.M. Max. There is absolutely no warranty, expressed or implied ...
INSTALLING YOUR NEW CAMSHAFT - Summit Racing …
WebOct 2, 2024 · Compounding the issue is the cam’s 0.520 inch intake and exhaust lift. This creates almost 350 pounds of load on the lifter at … WebJul 27, 2024 · Hydraulic flat tappet cams for small block applications should be in the 105-125 lb. range on the seat. Big blocks can use 115-130 lbs. due to having longer and heavier valves. ... The main thing I would like to stress here is the break-in procedure. Pull the inner spring or break it in with a different set of lower-pressure springs. It is ... textnow blocked number list
Eccentric Ways: The Best Way to Break-In a Flat Tappet …
WebJul 18, 2012 · My cam designer specified that the inner springs be removed for at least a 20 minute break-in plus to use the same oil regiment as the OP has already specified. I used 25-30 minutes. Break-in consisted of keeping RPM's above 2000 and varying it every couple of minutes, but never going under 2K or above 3K. WebJun 14, 2010 · Here are some tips for proper camshaft break-in: • Parts Selection. It goes without saying that you should never re-use flat tappet lifters with a new cam, but the quality of your new parts is just as important – COMP recommends their own lifters with cam face oiling provisions, rather than no-name generic parts of unknown origin and ... WebFeb 24, 2024 · The best solution for breaking in a new flat- tappet camshaft that involves the least risk is to use the specifically blended break-in oils from companies such as Brad Penn, Comp Cams, Edelbrock ... textnow bot