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Location of cyl #1 on port engine
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tr_guy79
#1 Posted : Thursday, May 26, 2011 1:34:09 PM(UTC)
tr_guy79

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I was under the impression that it is the front outboard cylinder, the same as the stbd engine(which would be the front inboard cylinder).

Need to make sure to help in track down my pinging issues...

-Shane
"McKenna Renee"
1972 '32 FB Express. Twin 318 / Edelbrock 1409s
Chesapeake City Md (Upper Bay / C&D Canal)
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Bill
#2 Posted : Thursday, May 26, 2011 7:45:33 PM(UTC)
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Think
Number one is in the same place on both engines..
left front of engine looking from the flywheel end of engine to the bow.
BillBigM

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1975 Marinette 37' Fly Bridge Sedan
Twin Chrysler 360 cu in - 250 hp
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rv
#3 Posted : Friday, May 27, 2011 5:20:19 AM(UTC)
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Pinging is usually caused by timing being too far advanced or poor quality gas.
Bob
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GB49
#4 Posted : Friday, May 27, 2011 8:09:39 AM(UTC)
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If memory serves the cylinders are marked somewhere on the top of the casting.
The date the engine block was manufactured is also shown somewhere on the side of the block.
1986, 32' Sedan, twin 360ci, 275hp Chrysler's w/ K&N flame arrestors
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tr_guy79
#5 Posted : Friday, May 27, 2011 8:28:46 AM(UTC)
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It's not poor gas, since both engines are running off of the same gas. I currently have the timing ATDC. I'm going to change the filter/sep. tomorrow and pull the cap and look for evidence of arcing...
"McKenna Renee"
1972 '32 FB Express. Twin 318 / Edelbrock 1409s
Chesapeake City Md (Upper Bay / C&D Canal)
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fastjeff
#6 Posted : Friday, May 27, 2011 11:44:38 AM(UTC)
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Before timing the motor be sure to pull the cap and "excercise" the rotor by flipping it a few hundred times (seriously) with your fingers. And put few drops of oil on the felt below the rotor.

Other reasons for pinging is: A serious vacuum leak, too lean jetting, insuffiient fuel pressure at cruise speed (should be at least 5 pounds), too hot a heat range plugs, over-heating, etc.

Jeff
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