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Old 06-21-2006, 09:31 PM
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350 harmonic balancer

How can I tell if the harmonic balancer is seated all the way? I have a short water pump and v belt pulleys. I have noticed the pulleys are not exactly lined up and it may be that I need to shim out the water pump pulley or is the harmonic balancer not seated?

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Old 06-21-2006, 09:42 PM
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The balancer should bottom out against the crank gear. You can get a general idea if you eyeball measure with a paper clip from the crank gear to the outside of the timing cover seal. Apply that measurement to the outside of the balancer and see how much should still be outside of the cover. I know that's not precise, but it will get you in the ballpark.

A little misalignment in the pulley area is not unusual. I've used shims on the water pump, crank pulley, and accessories before.
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Old 07-03-2006, 08:39 PM
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could tell by looking in the bolt hole of the dampner and/or feeling if its seated all the way onto the crank snout face

good luck
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Old 07-04-2006, 09:25 AM
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Hey i have a 350 and i just had it rebuilt and i noticed now that the rubber is coming out from between the 2 pieces of balancer, what would cause this?
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Old 07-04-2006, 09:31 AM
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How far out is it? It is supposed to stick out just a little, not much though. If its sticking out a lot...you need to get another balancer because if that outer ring comes off it will tear some stuff up. The cause? Well age has a lot to do with it and if it was on a engine that was leaking oil all over it that will break the rubber down in time.
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Old 07-04-2006, 09:33 AM
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Thx Henry for the amazingly fast reply lol, umm the motor wasnt leaking any oil but i guess it could be from age, i dont make alot of money therefore i opted for the cheap stuff as opposed to brand new, the rubber part is coming out o fthe back of the balancer about 1/4 inch, am i in trouble?
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Old 07-04-2006, 02:46 PM
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Go to a few swap meets and look for a balancer similar to yours but in better shape.

If the end of the balancer has worn it can be sleeved so oil won't get past the timing cover seal.

When you go to install the balancer use an installer tool. Don't be cheap like me and whack the balancer with a BFH and block of wood.

I did this once with the balancer on the 350 in my 150 Wagon. I didn't realize there was a bit of rust on the crank snout. Not I can't get the balancer off.

It looks like I'll have to heat the balancer to expand it to remove it from the crank.
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Old 07-04-2006, 04:15 PM
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Quote:
Originally Posted by 1FST4DR
Thx Henry for the amazingly fast reply lol, umm the motor wasnt leaking any oil but i guess it could be from age, i dont make alot of money therefore i opted for the cheap stuff as opposed to brand new, the rubber part is coming out o fthe back of the balancer about 1/4 inch, am i in trouble?

You need to get a better one, either used, new, rebuilt. Aftermarket is expensive.

Cracks in the rubber are no big deal on a semi-stock engine.
Never saw one come off, but have seen some that wobbled horribly.
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Old 07-04-2006, 04:22 PM
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My friend has a 327 with 360 hp dynod and the same thing happened to his except he didnt catch his in time, he blew the pulleys and belts right off the crank, thats what scared me so i figured id consult you guys and see how often this sort of thing happens, thx again, Tim
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