Quality Harmonic Balancer Options

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12many said
I just received the Pro Products Powerforce+ 90012 balancer for my engine and what a severe disappointment. The little moisture pack inside the carton broke open and ground the paint on the damper, looks like somebody dragged it in the gravel. Missing the loctite tube also. Paint is micro thin, and the etch marks for timing marks are only lines in the paint, doesn't look like it would stand years of use, I can easily scrape it off with a fingernail. Sending it back for a refund. Not impressed for the money even if it was undamaged. Has anyone fitted the much better appearing Pro Race brand for the earlier xternal balance 360 on a magnum? They mention theyre not for magnums but I figured with some calculations and figuring it may be possible to machine the external bolt-on weight down to the correct weight for a magnum, or are there other options besides an OEM type?

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12many said
I just received the Pro Products Powerforce+ 90012 balancer for my engine and what a severe disappointment. The little moisture pack inside the carton broke open and ground the paint on the damper, looks like somebody dragged it in the gravel. Missing the loctite tube also. Paint is micro thin, and the etch marks for timing marks are only lines in the paint, doesn't look like it would stand years of use, I can easily scrape it off with a fingernail. Sending it back for a refund. Not impressed for the money even if it was undamaged. Has anyone fitted the much better appearing Pro Race brand for the earlier xternal balance 360 on a magnum? They mention theyre not for magnums but I figured with some calculations and figuring it may be possible to machine the external bolt-on weight down to the correct weight for a magnum, or are there other options besides an OEM type?

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I would not recommend you "TRY" to modify the external balance mass. That balance mass is sized and located so the the center of gravity is established from a specific point and angle on the crankshaft. I have designed a few of these types of dampers. If you get it wrong, you will end up with vibration and high stress in the crankshaft. Not sure what your build is performance wise, but I would recommend a Mopar Performance or one of the better brand name dampers. 65'