Posted by MIangus on December 29, 2020 at 05:46:40 from (136.181.197.184):
In Reply to: Engine assembly lube posted by svcummins on December 28, 2020 at 22:49:53:
I always used the red stuff that comes with new cams shafts on the cam and lifters. A machine shop friend thought me how to mix 30 wt oil with a tin of grease to put on every thing else. Just add the oil until you get the consistency you like. I also dipped the piston and ring assembly in a coffee can of oil before I installed in the block. I started new engines with 20 wt oil. I did mostly small block Chevrolets so I had the stripped distributer to pre-lube, checked oil pressure while pre-lubing. An interesting thing I discovered was, the oil pressure when using a drill that ran at 550 RPM and 20 wt oil was the pressure at hot idle with 15W-40. It is important especially with flat tappet high performance cams for the motor to start and run immediately. I always static timed everything and made sure the carb had fuel (I learned to static time working with our JD A with a mag). After a short run in I changed the oil and filter, nothing cleans like hot oil and shop rag lint can plug a filter. Never lost one on start-up. I have seen a fair amount of camshafts ruined on start up, I was always the friend of friend who got called in to see why it won't run right. Nobody believes you of course until you remove the valve cover and check cam lift.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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