Rear suspension bottoming out - Mustang Evolution

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Old 11-22-2015, 06:01 PM   #1
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Rear suspension bottoming out

I just installed a BMR adjustable panhard bar, relocation bracket and Tokico HP shocks. Now when I go over a pretty good size bump/dip the rear suspension bottoms out so to speak. The panhard bar is hitting the panhard bar support brace. If the relocation bracket wasn't installed it would hit it or is there an issue with the shocks? I have Roush springs as well.
Any input would be appreciated.

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Old 11-22-2015, 07:45 PM   #2
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Subscribing. I've been concerned about clearance issues as well. I haven't lowered yet, but I've been building a list of components.

There is a BMR tech that hangs out on these forums that might be able to help. (I think it was these forums anyway)

I remember reading a post where he was talking about the curved BMR panhard brace. Everyone thought it was curved to allow extra clearance for exhaust, but he explained it was to prevent something from touching when the suspension was fully compressed. At least that's how I remember it. I could have swore I clipped it into Evernote for future reference, but now I can't find it.
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Old 11-22-2015, 08:04 PM   #3
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If you just call BMR they are very helpful. I think I talked to someone named Kelly if I remember right and he was great!


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Old 11-23-2015, 12:36 AM   #4
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thanks.
I'll give a call in the morning. I don't have a problem buying a new PHB support brace as long as I can get one that doesn't hit the PHB.
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Old 11-23-2015, 07:56 AM   #5
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Have you replaced your bump stops as well? Could be a reason that you are bottoming out.
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Old 11-23-2015, 09:15 AM   #6
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I haven't replaced them yet. They could be as well. But there clearly are scrapes and paint transfer on the panhard bar as well as the support brace.

Thanks
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Old 11-23-2015, 12:03 PM   #7
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I'm guessing she is riding on the bumpstops a little bit too much, you can cut the top 3rd off them and that will improve ride quality and only actually bottom out when needed rather than going over any small dip or bump. There's a pic shown here where to cut http://themustangsource.com/forums/a...mpstop-cut.jpg
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Old 11-23-2015, 06:27 PM   #8
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Quote:
Originally Posted by GTK View Post
I'm guessing she is riding on the bumpstops a little bit too much, you can cut the top 3rd off them and that will improve ride quality and only actually bottom out when needed rather than going over any small dip or bump. There's a pic shown here where to cut http://themustangsource.com/forums/a...mpstop-cut.jpg
I have read where the bump stops bottom out on lowered cars. Mine didn't bottom out on them before. I don't think they are the issue now but it is on my list of things to do. The PHB brace has paint on it from the PHB so I know its hitting. I didn't get a chance to call BMR today. When I do get one I will post the resolution.

Thanks for the insight.
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Old 11-23-2015, 09:11 PM   #9
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Kelly told me to cut the top two tiers off of the bump stops.


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Old 11-24-2015, 06:26 PM   #10
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I spoke to Kelly today. He says on occasion they get cars where the PHB, with the relocation bracket, hits the PHB support brace. He says their support brace usually provide enough clearance to prevent them from hitting. Good thing they are having their Black Friday/Cyber Monday sale going on!!!
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