1977 A/C balancer?
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Senior User
Joined: Mar 2004
Posts: 361
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From: Las vegas, Nevada.
OK guys, Here is the deal. The peice I have been talking about is indeed a harmonic balancer! For everyone who was telling me that I was wrong, well I wasn't. It is very similar to a crankshaft harmonic balancer. It is drilled in certain spots so it is balanced and it also has a rubber bushing on the inside just like a regular crankshaft balancer. I installed it today and it really helped to get rid of the roughness.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Originally Posted by turborich
OK guys, Here is the deal. The peice I have been talking about is indeed a harmonic balancer! For everyone who was telling me that I was wrong, well I wasn't. It is very similar to a crankshaft harmonic balancer. It is drilled in certain spots so it is balanced and it also has a rubber bushing on the inside just like a regular crankshaft balancer. I installed it today and it really helped to get rid of the roughness.
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Senior User
Joined: Mar 2004
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From: Las vegas, Nevada.
Originally Posted by 79Indy
Thanks for the update. I guess I'll have to look for one next time I'm at the wrecking yard. Any issues to look out for?
It helped to get quite a bit of the vibration out, good luck on yours!
Elder User
Joined: Feb 2004
Posts: 787
Likes: 1
From: Stephenville, TX
Does the belt still vibrate around? Mine always doesquite a bit, but it doesnt mattter if the A/C is on or off. It usually starts doing it at high engine speeds like when your drivinjg pretty fast or winding on it in a lower gear.
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Senior User
Joined: Mar 2004
Posts: 361
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From: Las vegas, Nevada.
yeah, the belt still has some vibration in it. only when the a/c pump is turned on though. it's also a cheaper belt that I put on it, I should change it out. then again it's also a 28 year old truck, maybe that has something to due with it? it's better then it was though. good luck.
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Senior User
Joined: Mar 2004
Posts: 361
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From: Las vegas, Nevada.
Yeah, the belt does have to be really tight! I bought a cheapy from autozone. it seems like when I tighten it the belt slowy stretches out. I have always had good luck with the goodyear gatorback belts. I'll put one on in the future.
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