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Old 02-20-2008, 06:39 PM   #1
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Default What to do about bushings?

My miata has ~160k on it, and as far as I know has the original suspension bushings. I have the Tokico Illumina shock/spring setup to put on, but I feel bushings will come soon after, as the stiffer shocks will point out all the looseness of the old bushings. If I want something more aligned for the street, what should I look for? Are the powerflex sets Moss sells popular?

I noticed the cheaper set in this thread:
https://www.miataturbo.net/forum/showthread.php?t=16734
but, is that something that would work well for the street?

also- could someone link me to a how to on an install?

thanks!
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Old 02-20-2008, 07:17 PM   #2
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Old 02-20-2008, 07:46 PM   #3
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Yes, I've seen the one on miata.net. I like pictures
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Old 02-20-2008, 09:34 PM   #4
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The hardest part (technically) of a bushing job, is putting the right ones in the right holes. You can either press in press out OR use a pipe, some threaded rod, washers and an impact gun to pull them out. Just keep the rod oiled.

Those bushings are going to transmit more road noise than the stock rubber bushings. OTOH, they're going to be far superior for handling - eliminating the bind inherit with the vulcanized OE bushings. IMO - if you're concerned with a harsh ride, you should probably just keep the stock ones in there (unless they're actually falling out).
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Old 02-20-2008, 10:13 PM   #5
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The other question is are you willing to trade performance for maintenance?

A simple way of answering this is, how often do you check your tire pressure? If it's not measured measured in days or weeks, then you should probably stick to stock bushings.

IMHO, if you're not inclined to spend time on checking all the little bits, then performance bushings will not serve you well; they should be checked and lubed, and not doing so is likely to have an adverse effect on your enjoyment of the car.
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Old 02-21-2008, 11:04 AM   #6
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does anyone have an idea of how long between service intervals on poly bushings providing you dont drive your car in the rain, just appx. not looking to hold anyone to it...
im in on the group buy thats going on here through ES or whatever, too good of a deal to pass it up

fussball, based on what i know about you so far id say go for it, you seems to be more performance oriented vs. wine-n-cheeser
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Old 02-21-2008, 05:44 PM   #7
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tire pressure checks are a 1st of the month check for me (along with fluids, CV boots, etc.)

How often do poly bushings need attention?
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Old 02-21-2008, 06:38 PM   #8
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just make sure you add a generous helping of the grease they give you before you install. i used poly bushings on my other car, worked fine. i didnt touch them for a year later, when i took out to examine them, but apparently that grease they give you is somewhat resistant to water. Dirt sticks pretty well to it though.

i would examine the very exposed stuff, but for other things, dont worry too much about it.
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