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How to Replace and install a Harmonic Balancer For Chevy 350 Small Block

Updated on October 16, 2013

I have a 65 Chevy Truck, with a small block 350 from a 72 Chevy Truck. I've been doing some restoration on the truck and noticed the harmonic balancer was wobbling pretty bad.

After doing some reading online, it could be the cause of a lot of issues going on with the motor, and the harmonic balancer is important to the engine crackshaft.

I purchased a new harmonic balancer from Summit Racing. I also purchased the tools needed to remover it and install it. You don't have to take your truck to a repair shop, as a new harmonic balancer and a removal and replacement tool kit is all that you need.

Once I got started, I found that the worst part was removing everything to get to the harmonic balance for my Chevy truck. The removal process was a pain.

When removing the fan, water pump, etc. the removal tool help so much. It took just a few minutes to remove the harmonic balancer, once everything else had been removed.


When installing the new harmonic balancer you want to make sure that you align the "key" and the "keyhole" so that the harmonic balancer doesn't rotate around the crankshaft tip.Once you've got everything lined up, all you need is a single bolt to attach the piece to the tip of the crankshaft using 60-pound feet of torque.

Do not use a hammer or try to beat the new harmonic balancer on. Once you line of the lock key, use the tool to tighten it down without any beating or force.


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      4 years ago

      I gave up gardening for 2 years until our Border Collie paessd the pup stage. Mind you I was working huge hours so couldn't really deal with protecting what the pup had more time for than me. I'd build fences of chicken wire and she'd look at me and jump over them or burrow under. All I did was fence myself out so I wasn't on top of weeds, etc. She even spent several days dismantling a small ornamental shrub and digging up it's roots. As soon as the tomatoes formed, she'd eat the whole plant. LOL I'm back in the garden now. Lots of seedlings and odiferous fertilisers and only a tiny number have been danced on. I have used a bit of Scat' repellent on the lawn and garden edge where she was wearing a track through the corn. (I didn't feel like putting it on my soil and vegies)So far, so good.

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      4 years ago

      I appreciate your kind and geernous advice a lot!. I have been trying it hardly and did not get those amazing results!. It is nice to see that you got my comment in a good way!God bless you!VA:F [1.9.10_1130]please wait VA:F [1.9.10_1130](from 0 votes)


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