Shock Woes :/ Advice aprreciated!

jeudi 16 juillet 2015

After a lot of research and work and buying stuff and making adjustments, I feel kinda stumped here...

So I bought TEIN S.TECH springs and had them installed about a year ago. All was well. However, I noticed that when I would bump over speed-bumps at even just 5-7 MPH (alone in the car, and I only weigh about 155lbs) my shocks would "bottom out" and hit the bump-stops in the rear (the front has never been an issue). If I had someone in the back seat the shocks would hit the bump-stops very easily and teeth-jarringly hard, and with TWO people in the back seat it felt like they were literally riding about two millimeters above the bump stops, and would hit them hard at the SLIGHTEST provocation - even just mild dips in streets or on the freeway, or during turns.

So, after reading that the stock Mazda shocks often start to go flat around 30-40,000 miles (I'm at almost 50k now), I purchased a set of Koni Yellow Sport shocks for the rear and had them installed. This did very little to fix the problem, and I was still hitting the bump-stops very easily. I read on here and elsewhere that installing aftermarket springs, especially the S.TECH's, requires one to cut an inch or so off of the yellow rubber bump-stops to avoid this phenomenon. So, I watched some YouTube videos and bought some tools, and basically taught myself how to remove my suspension. Upon doing so, I was very surprised to find that my car HAS NO BUMP STOPS. Apparently the dudes at Pep Boys just didn't put them back on when they installed the Koni Yellows. Maybe they realized I didn't need them because of the ride height, or maybe the bump-stops were already annihilated by all the hard bumps. So for the last 2 months at the very least, now I know my car has been hitting... Metal-to-metal I guess..?

While I had the suspension disassembled I adjusted the Koni's from fairly soft to very hard, and this helped slightly, but not much.

So... Does everyone who drops their car (only a 0.7" drop in the rear with the S.TECH's) just have to live with this happening constantly? Is there no fix? Will bottoming out the shocks without even having bump-stops to dampen the impact start to break the upper mounts in the trunk loose or damage the car? What can I do at this point? I'm thinking... MUCH stiffer springs maybe..? Any recommendations?

Anyone with any experienced advice is appreciated :sad:


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