90 pounds
Zero lash then one turn in. (assuming this is a stock Chevy 350)
There's not one. You can't put them on wrong.
Most likely a problem with the carburetor.
That would be the 1st cylinder on the drivers side head up front.
There is a pipe plug in each head and at least one in the intake manifold that can be used for this purpose.
it will never happen
NO.
There is one mounted on top of the starter.
Yes, I have one sitting in the driveway.
it is in one of the valve covers
2nd one on drivers side
Driver side, front.