Quote:
Originally Posted by Tired of Waiting
NO.
I doesn't matter if all the plugs are in or out with the exception of the one you are testing. The throttle does not have to be wide open. If all the plugs are out the engine will turn over easier and not be as much of a drag on the batt. With the throttel open or closed the cylender will still get enough air to compress.
You do however have to turn the engin over several times. Watch the gage and when it stops climbing the test is done. Read the gage and record. Then compair it with the engine specs.
ToW
|
What if you have "bad" rings on another cylinder?