Ownallday Posted August 10, 2021 Share #1 Posted August 10, 2021 Hello, I am in a slight pickle right now. I just ordered and received an Air Condition kit from AutoACSolutions and plan on installing the kit soon as the heat is unbearable in my car. I am unable to find any Harmonic Balancers for sale that have an extra pulley groove for an AC belt! I checked everywhere online and even saw one on Autozone that I ordered and the ordered got cancelled as the manufacturer doesn't make it anymore. The other option I see is potentially mounting up an addon pulley to my current balancer, I currently have the Performance Harmonic Dampener from Motorsport Auto (https://www.thezstore.com/page/TZS/PROD/classic12d02a/10-2139) Is there maybe a way to addon another groove pulley to this? I see two open holes that can make it possible to bolt something up. Any suggestions? Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/ Share on other sites More sharing options...
ETI4K Posted August 10, 2021 Share #2 Posted August 10, 2021 I had the same problem, but also needed one that could run up to 7500 rpm. The only one I could find was from BHJ. Very painful decision, but after looking for more than year, I pulled the trigger. https://harmonicdampers.com/ Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626649 Share on other sites More sharing options...
zclocks Posted August 10, 2021 Share #3 Posted August 10, 2021 You might e-mail zKars and see if he has one. I tried to find one for my 280 and couldn't so I had mine rebuilt. Not cheap , but better than no air. Ron Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626650 Share on other sites More sharing options...
S30Driver Posted August 11, 2021 Share #4 Posted August 11, 2021 I think I may have a spare 2 row oem damper. Will have to check in garage. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626668 Share on other sites More sharing options...
Ownallday Posted August 11, 2021 Author Share #5 Posted August 11, 2021 4 hours ago, ETI4K said: I had the same problem, but also needed one that could run up to 7500 rpm. The only one I could find was from BHJ. Very painful decision, but after looking for more than year, I pulled the trigger. https://harmonicdampers.com/ Yeah, I just came across that and said no way in hell am I paying that much for a dampener. 3 hours ago, zclocks said: You might e-mail zKars and see if he has one. I tried to find one for my 280 and couldn't so I had mine rebuilt. Not cheap , but better than no air. Ron I don't have the stock one so no way I can rebuild that, I'll shoot an email to him see what he can do, thank you 2 minutes ago, S30Driver said: I think I may have a spare 2 row oem damper. Will have to check in garage. If you have one in good condition you are willing to sell I am all for it. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626669 Share on other sites More sharing options...
ETI4K Posted August 11, 2021 Share #6 Posted August 11, 2021 1 minute ago, Ownallday said: Yeah, I just came across that and said no way in hell am I paying that much for a dampener. That's funny. It's exactly what I said, but with some serious extra emphasis on the no %$##ing way part. 😁 At some point you start thinking about reliability and the cost of a tow truck and the next thing you know you are ordering from BHJ. Go with @S30Driver If he doesn't have what you need, I have one but will need to be rebuilt. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626671 Share on other sites More sharing options...
zclocks Posted August 11, 2021 Share #7 Posted August 11, 2021 If ZKar doesn't have one I have a couple of other sources that might. If you do find one I would have it rebuilt. There's a good place in nothern CA which charges like $190 , but they do a really good job. My damper looked go after I removed ,but the rubber was cracked. On the car it was wobbling about 1/4 in. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626677 Share on other sites More sharing options...
w3wilkes Posted August 11, 2021 Share #8 Posted August 11, 2021 (edited) Here's one... May be one of those internet scam sites, but you could try their "Contact us" and see if they can give you a picture (or if they even respond). Datsun 240Z 260Z 280Z Engine Motor Harmonic Balancer Damper Crank Pulley OEM (xdetaxigids.com) Ebay 1972 Datsun 240z 3 Pulley Harmonic Balancer | eBay Here's one 280z 2 groove harmonic balancer » Vintage Z Parts Edited August 11, 2021 by w3wilkes Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626695 Share on other sites More sharing options...
Zed Head Posted August 11, 2021 Share #9 Posted August 11, 2021 I think that the dampers are a different size and you'd need a timing marker to match but a ZX damper and pulleys might be easier to find and might be workable. And, another vague memory, I think that some of the AC pulleys were removable. So your thought of bolting one on should work if you can find one and the holes are there. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626697 Share on other sites More sharing options...
Zed Head Posted August 11, 2021 Share #10 Posted August 11, 2021 Here's a recent post about the Z and ZX damper pulleys. Never thought about it until now but if the pulley is bigger it will raise the alternator speed, helping the low voltage at idle problem that a lot of Z's have. Maybe everyone should switch to a ZX pulley. Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626700 Share on other sites More sharing options...
Unicorn Z Posted August 14, 2021 Share #11 Posted August 14, 2021 I was tearing the garage apart looking for some lost parts I had put in a "safe place" this morning, came across this boat anchor and thought of your post. Some of the valleys are rough and I don't know the history of the part, but I wont be putting AC on my car so PM me if needed. 1 Link to comment https://www.classiczcars.com/topic/65700-need-help-finding-a-harmonic-balancer-with-an-ac-pulley-groove-or-finding-a-pulley-addon-for-my-current-balancer/#findComment-626919 Share on other sites More sharing options...
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