Crank case is just another name for an engine. The case that holds the crank. The crank is a major part of your engine that when the ignition turns it turns the crank which allows your engine to run. So in other words put it in where the oil goes. If they said to pour it in your engine it would be no different.
Crankcases have often been discrete parts, but more often they are integral with the cylinder bank(s), forming an engine block. Nevertheless, the area around the crankshaft is still usually called the crankcase. For other uses, see Crankcase (disambiguation) . De Dion-Bouton engine from about 1905, in which can clearly be seen a discrete crankcase with upper and lower halves (each a casting), with the bottom half constituting both part of the main bearing support and also an oil sump. Engine Restorer is added to the motor oil but it is not an oil additive. An oil additive, by definition, is a product which is added to automotive oil in the crankcase with the intended purpose of modifying the oil characteristics such as viscosity, detergency, or foaming.  Report Abuse. crank case is just another name for an engine. The case that holds the crank. The crank is a major part of your engine that when the ignition turns it turns the crank which allows your engine to run. So in other words put it in where the oil goes. If they said to pour it in your engine it would be no different.  A two-stroke, or two-cycle, engine is a type of internal combustion engine which completes a power cycle with two strokes (up and down movements) of the piston during only one crankshaft revolution. This is in contrast to a  four-stroke engine , which requires four strokes of the piston to complete a power cycle.  Please try again later. Adding Sea Foam To oil and crankcase. ****I DO NOT CLAIM THAT I AM A MECHANIC NOR DO I DO THIS FOR A LIVING OR ANY OF THAT. I AM SIMPLY SHARING WITH YOU WHAT I DO TO MY VEHICLE. IF YOU DO NOT LIKE IT, 1. GET OVER IT AND MOVE ON. 2.  Add Sea Foam to your engine oil before or after every oil change interval – just pour into your engine’s oil filler neck! For routine crankcase cleaning, add Sea Foam to your engine’s oil (into the oil filler neck) 100 to 300 drive miles before a scheduled oil and filter change. Check your oil regularly for clarity. Whenever it becomes dirty (goes from clear to dark), change the oil and filter. Add 1 to 1.5 ounces of Sea Foam to each quart of crankcase oil for all 4-cycle gasoline, rotary, and diesel engines. One can of Sea Foam treats up to 16 quarts of motor oil. What You Need to Seafoam Your Engine: in order to maximize your engine’s fuel economy and performance, you should do a full engine treatment. in order to do so, you will need a few things: – 2 cans of seafoam (1st picture above). – 1 can of seafoam deep creep (2nd picture above).  Instructions. Go to your local auto part store and pick up a can of Seafoam. After warming up your engine. Keep the engine running at a high idle and locate either the PCV valve or the brake booster vacuum line. Choose which one you'd like to use and disconnect it. Using the PCV valve pour about 1/3 of the can in. If you use the vacuum line, pour 1/3 of the can into a container and then use the vacuum line to suck it out of the cup. If the engine stalls before you get it in, try sucking the fluid in slower. You may want to cover part of the line with a finger. Pour 1/3 can of Seafoam into your oil via the crankcase. Wait about 5-15 minutes. Start the engine back up. You may need to give it a little gas to keep it from stalling. Expect to see a fair amount of smoke, so you'll want good ventilation. Do this at night or away from people to avoid bugging the neighbors. Sea Foam Official Video: How to clean a boat engine’s top end with Sea Foam Motor Treatment – filter change method. Brian from Sea Foam shows how to clean the top end of a boat engine and replace the fuel filter at the same time. Add 1 to 1.5 ounces of Sea Foam to each quart of crankcase oil for all 4-cycle gasoline, rotary, and diesel engines. One can of Sea Foam treats up to 16 quarts of motor oil.
https://en.wikipedia.org/wiki/Crankcase http://atvconnection.com/articles/restore-engine-restorer-2/ https://answers.yahoo.com/question/index?qid=20061224112019AAREIWR https://en.wikipedia.org/wiki/Crankcase_compression_two-stroke_engine http://www.youtube.com/watch?v=nURMx_t-TtY http://seafoamsales.com/how-to-add-sea-foam-motor-treatment-to-gas-and-diesel-crankcase-oil/ http://diysrc.com/how-to-seafoam-your-cars-engine-to-clean-and-dissolve-carbon-buildup/ http://www.ehow.com/how_5211517_use-seafoam-clean-up-engine.html http://seafoamsales.com/how-to-add-sea-foam-motor-treatment-to-gas-and-diesel-crankcase-oil/
where is the engine crankcase and how to put engine treatment in