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How do you know if the number 1 cylinder is on the compression stroke?
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When the number one cylinder is on its compression stroke is the intake valve open?
The piston is on the up stroke to compress so both valves are closed
How can you tell if your engine timing is 180 degrees off without looking at timing gears?
Look at the distributor and make a mark on the housing where the #1 cylinder connects. Then pull the distributor cap. The mark is so you know where #1 is with the cap off. Next, bring #1 cylinder to top dead center on the compression stroke. The rotor should be pointing at the mark you made. If you need directions on how to get #1 to TDC on the compression stroke - another topic..
Where is the number 1 terminal on the distributor cap of a 91 Chevy 350 I removed it without marking it I need to know which post goes to number 1 very frustrating anyone want a truck?
make your own number one cylinder prong. Put your number one cylinder at top dead center on the compression stroke. The prong that your distributor rotor is know pointing at is you new number one on your cap. continuing installing your plug wires in the proper firing order in a counter clockwise direction from your new number 1 spark plug wire.
How do you know when the motor is TOPDEAD CENTER on a 1992 VW Jetta?
Find the # 1 cylinder. Remove all spark plugs, turn the engine over (BY HAND, DO NOT USE THE STARTER) until the # 1 piston is at the very top on the compression stroke. You now have TDC. Placing your finger over the spark plug hole will tell you when you are on the compression stroke. A long handle screwdriver inserted in the # 1 cylinder, will tell you when the piston is at the top. Caution: Turn the engine by hand, never with the starter.
Why would a motor loose compression in a 5th cylinder when it is a 6 cylinder?
from what i know there is no difference in what piston loses compression based on the layout. a piston loses compression due to faulty valves/seats/stems or damaged piston rings. if you have low compression problems, check the above, in that order
What is Silverado 5.7 engine psi?
Need to know the year. Oil pressure ? Or cylinder compression ?
What is the cylinder compression for a 2003 90 hp mercury outboard?
I have a 2005 and compression should be close to 120 psi. Normally a good engine will have compression between 115 and 130 psi but a leak down test should be performed also to know the full condition of a cylinder.
What are cubic inches in an engine?
Cubic inches is the total volume of all cylinders. If you wanted to know the cubic inches of a particular engine you would measure the diameter of the cylinder bore and the stroke of the crankshaft, then use your calculator to figure out the total volume. The formula for the area of a circle is pi times the radius squared. The formula for the volume of a cylinder is area of the circle times length (stroke) of the cylinder. Once you have the volume of the cylinder you can multiply that number by the number of cylinders for total volume (displacement).
How do i know the position of the number 1 post on the distributor on a 1994 Chevy 350?
Crank motor over until number 1 piston is all the way up on compression stroke, the distributor with rotor bug, if installed correctly, will be pointing toward number 1 post.
What is the inidivual cylinder compression of a 1986 Chevy 454 truck engine?
You will have to do a compression test yourself to know that. A engine that is in good shape should have at least 150 LBS. per cylinder. There can not be more then 20 LBS. difference in any cylinders. It has to have at least 100 LBS. for the cylinder to fire at an Idle.
Can you name and describe the four strokes that make up one full cycle of a 4-stroke engine?
The Otto cycle, know as the four stroke cycle is as follows.InductionCompressionPowerExhaustThis is a simplified explanation of a petrol engine, the basic details are correct. Most are also relevant to a CI engine. It is not meant to be a definitive answer and is only a description for the basic operation.Induction:The inlet valve opens and the piston moves down the cylinder causing a partial vacuum and drawing an air/fuel mixture into the cylinder through the inlet manifold.Compression:The inlet valve closes and the piston moves up the cylinder compressing the air/fuel mixture. The compression ratios vary.Power:Near the top of the compression stroke a spark is induced and the air/fuel mixture is ignited. This causes the gasses to expand rapidly and forces the piston down the cylinder.Exhaust:The exhaust valve opens and the piston moves up the cylinder expelling the burnt gasses out through the exhaust manifold. The exhaust valve closes and the cycle starts again.intake: In this stroke air (and in non-fuel-injected engines gasoline) is drawn in.compression: In this stroke air (and in non-fuel-injected engines gasoline) is compressed (just before the end of this stroke in fuel-injected engines the gasoline is injected, then a spark ignites the fuel/air mixture).expansion: in this stroke the burning fuel/air mixture pushes against the piston, doing work.exhaust: in this stroke the burnt fuel/air mixture is pushed from the cylinder to make room for a fresh charge on the next intake stroke.Intake, compression, power, exhaust.The first stroke down takes the air/fuel mixture in thus intake, then as the cylinder rotates up, the mixture compresses. The fuel is ignited and the power stroke starts down and as the cylinder goes back up it is the exhaust phase where it expels the burnt fuel and then starts the first stroke again
What is over square Engine?
I'm not a mechanic / technician but as far as I know that is where the engine cylinder bore is larger than the stroke
