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Re: BF Avery to fire and run?..$80 in the mail!...
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Posted by Alberta Mike on February 07, 2007 at 16:24:28 from (64.42.242.16):
In Reply to: BF Avery to fire and run?..$80 in the mail!...seri posted by morganstevenr on February 06, 2007 at 21:20:26:
Did you ever have the camshaft out? Remember that each cylinder must go through 4, 180 degree rotations (two, 360 degree or 720 degrees of rotation) to complete one 4-stroke cycle, that is four, 180 degree rotations during a complete cycle. Having said that, take off the valve cover and make sure that the #1 piston is at TDC and that the exhaust valve has just closed before getting there @ TDC. Then rotate the crank 180 degrees and see that the intake valve for #1 has opened during this intake stroke rotation. Then rotate another 180 degrees and see that both intake and exhaust have closed during this 180 degree compression stroke. Then another 180 degree rotation and both valves should have stayed closed during the power stroke. Then finally, a final 180 degrees and the exhaust valve should be open during this exhaust stroke. Now that is for the #1 cylinder. The next cylinder in the firing order (whether it be #2 or #3, I don't remember which one is second) should go through the same sequence of valve opening and closing during the four, 180 degree rotations for that cylinder. Then the third and finally the forth cylinder in the rotation should follow the same pattern. If this happens, then you know the camshaft and crankshaft are hooked up properly, well at least close and that the timing marks were correct. If this all checks out, then do it again and make sure that when the #1 cylinder has completed two, 180 degree rotations (one full 360 degree circle), that the rotor in the distributor is pointing to the #1 terminal on the distributor cap. And so on adn so on for the remaining three cylinders.
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