88 YJ 2.5 Harmonic Balancer = Unicorn? - JeepForum.com
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post #1 of 2 Old 03-19-2019, 09:11 AM Thread Starter
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1988 YJ Wrangler 
Join Date: Feb 2018
Posts: 6
88 YJ 2.5 Harmonic Balancer = Unicorn?

Hello JF!

I have been working on my 88 2.5 YJ over the past year and actually have it running pretty good! It had sat for about 4 years and a friend's front yard and he finally sold it to me. I've replaced the clutch (external slave conversion), 2.5 lift, trans drop, 1" brown dog motor mount lift (rubber), metal valve cover from a 94 and all seems to be working great. However, I still think I'm getting excessive engine vibration. Vibrates pretty good up until about 2600 rpm, then seems to be pretty smooth. I would like to replace the balancer/damper to see if that smooths it out even more, but for the life of me, I can't find the correct one! It is a 2.5L (with A/C) with the 2 v belts. It does not have power steering, which I believe is the reason the balancer only has 1 groove. I may call damperdoctor and/or the jeep dealer to see if I can get a part number. Here is a link to the pix! Let me know if you have any ideas where to find this unicorn! Thanks in advance! https://photos.app.goo.gl/hvgzUujKXFz2z8Vz8

/l , [____],
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post #2 of 2 Old 03-19-2019, 09:59 AM
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1990 YJ Wrangler 
Join Date: Jun 2007
Location: San Diego
Posts: 20,168
damper doctor will probably have it. Call though, the website is not great.

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2.5 , harmonic balancer , vibration

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