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Old 02-20-2017, 11:11 AM   #22
V8COOPMAN
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Join Date: May 2010
Location: East Shore of LAKE HOUSTON
Posts: 11,115
Default Re: Test light to confirm spark to plug?

Quote:
Originally Posted by 36tudordeluxe View Post
Yup, that's exactly what I'm trying to do, was going to use test light to confirm thumb method. Never could get the test light on but can see voltage fluctuation in my meter.
Appreciate all the help guys.
Ya know, it gets to be no fun any more if you make things too complicated. Think about this.......to be able to adjust your valves, it seems a given that you must have adjustable valve lifters. And with that being what you MUST have, you also MUST have the intake manifold removed from the engine to be able to access the adjustable lifters. With the above situation at hand, it should be SUPER SIMPLE to watch the movement of the lifters on #1 cylinder as you rotate the crankshaft. As you rotate the crankshaft in the proper direction, you can watch the INTAKE lifter approach the CLOSED (lifter down) position as the crank begins the LAST 180 degrees of rotation toward TDC of #1 piston. This last approximately 180 degrees of crankshaft rotation with BOTH valves CLOSED indicates that the compression is building-up in that cylinder with BOTH valves closed. When you get that piston to TDC (with BOTH valves CLOSED), adjust the valves on that cylinder. Visually verify BOTH valves closed at TDC.....and adjust those two valves! Move-on to next cylinder in the firing order. Does this make things any simpler..........and more funner? DD
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