Where should the rotor point at TDC on Chevy 350?
Continue to turn the crankshaft slowly until the 0 line on the balancer is aligned with the 0 pointer on the timing chain cover. The distributor rotor should also be pointing to the number 1 cylinder, which is the driver’s front left side. This is TDC or top dead center for all practical purposes.
What is the position of piston when it has reached TDC?
Simply put, Top Dead Center (TDC) is the position of an engine’s piston; when it is at the very top of its stroke.
Which valves are open at TDC?
The piston is now at TDC, both the intake and exhaust valves are partially open. As the piston travels back down the cylinder, the exhaust valve goes fully shut and the intake valve goes fully open and starts to shut.
Which cylinder is number 1 on a Chevy 350?
The cylinders are ordered from the front of the engine to the rear, starting on the drivers side. That means the front left cylinder (when facing forward) is the number one position.
When does the rotor button point to the distributor cap?
If I have the #1 piston up were should the rotor button be pointing when I pull the distributor cap off. My car has an automatic transmission. The rotor button should be pointing to the number 1 position on the distributor cap when the number 1 piston is at top dead center (on the compression stroke).
When do I put my engine # 1 cylinder at TDC?
The way that you ;may be looking at the position is kinda screwy as the gm series engine actuatlly are timedat about 11:30 position so if it were advanced a little it may look lke it is firing on #8. If the car runs ok don’t worry about it.
When does the rotor hit the compression stroke?
The mechanical ignition timing should be set so that the rotor hits the corresponding cylinder on the compression stroke to ignite the air/fuel mixture. If you need some assistance with this, consider YourMechanic, as a certified technician can come to your location and help you with this is person. Good luck.
When do the Pistons come up in a car?
The pistons come up two times during the combustion cycle. Once for the exhaust stroke and again on the compression stroke. The mechanical ignition timing should be set so that the rotor hits the corresponding cylinder on the compression stroke to ignite the air/fuel mixture.