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Old 04-07-2010, 12:42 PM
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Timing marks on damper

I put a powerforce damper on a amc 304. The damper is marked 0-60. The marks on the engine cover is tdc-5-10-15-20. So what lines up with what, I'm lost as always.

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Old 04-07-2010, 01:16 PM
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Since you have a wider choice of #s on the damper I would use those to match with tdc on the cover. Paint a line at tdc and a line on the # that you will use, on the damper.
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Old 04-07-2010, 01:26 PM
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What number on the damper should it be at ? or close to
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Old 04-07-2010, 02:12 PM
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The number of degrees before top dead center where the #1 spark plug fires can be found in tune-up information for your motor. Just to get it running, I would use 10 degrees on the damper to coincide with TDC on the cover.
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Old 04-07-2010, 02:26 PM
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The "0"on the cover, when lined up with the "0" on the damper should be TDC........There are ways of checking this, but that is how they should line up.
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Old 04-07-2010, 03:26 PM
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Will do,Thanks guys
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Old 04-16-2010, 06:09 PM
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Hopefully you'll get a message saying there's a reply to your thread so you get this info.

A lot of us AMCers have found that the Powerforce balancers are off 8 degrees. I can't remember off the top of my head if they are advanced or retarded, but most of the ones people are using have been found to be off. Some have removed the timing marks from the balancers and remarked them, others use timing tape, others just keep it in mind when they're doing their timing.

Not saying anything bad about the balancers, just that they're off. I have an SFI unit for the stroker I'm building (416 CI) and a non-SFI one for the 304 I'm putting together, so I do like them and think they're a good value. Just something to keep in mind.

Good luck!
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