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Solid Motor Mounts or Poly

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Old 08-06-2010, 10:06 PM
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Question Solid Motor Mounts or Poly

Cant fricken decide on Solid or Poly MM.The Spohn solid mounts look nice and the feedback on them seems good.I need new trans mounts as well and Spohn recommends using Poly Trans mounts if using Solid MM, but I hear and read of a lot of vibration issues with the Poly Trans mounts.
Gotta get the SLP back on the road.Any feedback would be appreciated.

02 SLP SS Camaro - DD
SLP Lid
Corsa Catback
Custom HP Tune
Old 08-06-2010, 10:56 PM
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I have Poly MM and zero complaints!! I will go solid MM if it was like a drag only car but that's my opinion
Old 08-06-2010, 11:17 PM
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I daily drive with solid motor mounts and it doesn't bother me.
Old 08-06-2010, 11:17 PM
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Thanks 383. gonna do some searching.
Old 08-06-2010, 11:19 PM
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thanks X-ray.... I am liking the Spohn Solids.
Old 08-06-2010, 11:24 PM
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Solids = you feel every vibration from the engine

Poly - forgiving but stiffer than OEM (correct me if I'm wrong)

For a daily driver / weekend warrior I'd go poly for sure. If you care less about comfort go with the solids.
Old 08-06-2010, 11:42 PM
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Originally Posted by Young camaro
Solids = you feel every vibration from the engine

Poly - forgiving but stiffer than OEM (correct me if I'm wrong)

For a daily driver / weekend warrior I'd go poly for sure. If you care less about comfort go with the solids.
+1 I couldn't say it better!!
Old 08-07-2010, 12:40 AM
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Originally Posted by Young camaro
Solids = you feel every vibration from the engine.
I feel very little vibration from the engine. Usually only feel it if your RPMs drop too low. If I had to do it again, I'd stick with the Spohn solids. I have no regrets.

The only thing bothering me about my new setup is resonance from the exhaust, makes my ears hurt after driving for awhile. Hopefully the 30" sweet thunders I have coming will reduce that
Old 08-07-2010, 08:20 AM
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how hard where they to put in? ive got LTs and was thinking of doing SMM.
Old 08-07-2010, 10:35 AM
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I'm not sure since I didn't put them in, but the guy that did it said it wasn't hard, but he knows what he's doing. Since they're one solid piece I'm pretty sure they're easier than stock and poly MMs.
Old 08-07-2010, 07:16 PM
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Thanks 4 the replies guys..pretty sure I am going with the Spohn SMM's and their Poly Trans Mount.Might as well get some headers while I do the MM.
Old 08-08-2010, 06:26 AM
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I had polys in my car and they seemed nice they are still pretty stiff compared tothe stock ones. I don't think I would go solid in my dd though.
Old 08-08-2010, 09:02 AM
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i'm running solids in my car and sure they are noticeable at idle but it's not as bad as everyone makes it out to be, and as for the install it's a little tricky getting them lined up but absolutely something you can do yourself. One suggestion i would make though, whichever route you do go if you plan on getting headers in the future you should do both at the same time.
Old 08-08-2010, 10:16 AM
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I am going to SMM, go big or go home IMO. I am going to stick with the stock rubber trans mount.
Old 08-08-2010, 03:33 PM
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Originally Posted by RsSean
I am going to SMM, go big or go home IMO. I am going to stick with the stock rubber trans mount.
That's what I did did, Spohn solid MMs but kept the old rubber trans mount. Works fine. My sister just drove with me today for 2 hours round trip to a family picnic and she couldn't even notice I had solid motor mounts in. She said it felt fine. I wouldn't trade them in for anything else considering it basically feels like stock.

Once again the only thing bothering us was the exhaust. Our ears weren't really ringing, but they were like numb feeling when we got home.
Old 08-08-2010, 06:58 PM
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Thanks again...A lot of people say go stock rubber mounts for the trans, since they r so easy to replace. Spohn recommends using the poly trans mount if using solid MM... but that could also be just to get a little more $$$
Old 08-08-2010, 07:10 PM
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Why are you changing them exactly?

You can replace just the drivers side mount with poly if you'd like to limit movement and keep vibration down.

I used a poly trans mount and NEVER had an issue with it. A little bit of grinding to match up heights..

No thanks to solid mounts on a driver. That's just my personal feeling.
Old 08-08-2010, 11:17 PM
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Originally Posted by Cheatin' Chad
No thanks to solid mounts on a driver. That's just my personal feeling.
Have you ever driven in one though? Not just any car, but specifically an LS1 F-body with Spohn Solids. I find them barely noticeable. I gave my sister's husband a joy ride tonight and he said he wouldn't have been able to tell I had solid mounts if I hadn't told him.
Old 08-09-2010, 10:51 AM
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I have Poly Mounts all around, no problems.
Old 08-09-2010, 11:12 AM
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From what I've noticed, most people that say they wouldn't drive solid motor mounts and are completely against them are people that usually don't have personal experience with them and are going by word of mouth from other people that don't have experience with them.

I daily drive my car with solid motor mounts and I love it!


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