#1 should be up for compression. Both valves would be closed. Addendum: The above answer is correct except for one thing; #1 MUST be at the top of the compression stroke if you want the engine to run, and the distributor MUST be pointing at #1 plug wire. Recognize that the distributor will turn slightly as it drops down into the cam gear, so make certain that you accommodate for that. You want the rotor to be pointing to the center of #1 when the distributor is in place.
If you are installing the Distributor, #1 cylinder must be at TDC / Top Dead Center on the COMPRESSION stroke.If you are installing Timing chain and gears everything will be correct when you line up the dots on the 2 gears.
A crack is caused by tension not compression because tension pulls matter apart while compression pushes matter together
accumulation of organic matter, compression into peat, compression into coal
Solids resist better to compression.
A compression wave is not matter, it is a transference of energy.
It depends on whether the distributor gear has ever been removed and if it was put back in the same orientation as the original factory installation. But to make it easy, just put the #1 cylinder at TDC of the COMPRESSION cycle. If you're having trouble distinguishing between the compression TDC and intake TDC, pull the #1 plug and put your finger over the hole then turn the crankshaft by hand until you can feel air pressure building up against your finger. Continue to slowly turn the engine until you get to the point where the cylinder is all the way toward the top. You should be able to tell because turning the engine either way will cause the cylinder to suck against your finger. Align the dampner pulley mark to the #1 indicator, and wherever the distributor rotor is pointing... that's where you plug in the #1 wire. Do it that way and it doesn't matter if the distributor has been removed and put back wrong.
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Compression.
gases :)
Yes
Compression wave
Compression wave