Rattles with Solid Motor Mounts
11-23-2010, 07:50 PM
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Rattles with Solid Motor Mounts Ok, so I just installed moroso solid motor mounts in my 97 z28. I did it because the drivers side of the engine would raise up under moderate acceleration and the long tubes would hit and rattle on the floorboard. So i installed my solids and when I took it for a test drive it rattles like crazy... everywhere. My doors rattle and even my t-tops rattle. I have read about plenty of people that have solid mounts and say the vibrations really arent bad. So is there anything I can do? I have no idea if it makes a difference between LT and LS engines. One guy said he did some more tuning and it made the vibrations better. What do I need to have tuned?? Please help me out guys.
11-23-2010, 08:14 PM
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Ok, so I just installed moroso solid motor mounts in my 97 z28. I did it because the drivers side of the engine would raise up under moderate acceleration and the long tubes would hit and rattle on the floorboard. So i installed my solids and when I took it for a test drive it rattles like crazy... everywhere. My doors rattle and even my t-tops rattle. I have read about plenty of people that have solid mounts and say the vibrations really arent bad. So is there anything I can do? I have no idea if it makes a difference between LT and LS engines. One guy said he did some more tuning and it made the vibrations better. What do I need to have tuned?? Please help me out guys.
11-24-2010, 07:50 AM
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I would check the panels themselves. I have had my solids for a while, put solids in my brother's Z28 and just got done putting solids in a LS2 GTO... havent really noticed any excessive "rattle" noises, that werent really present before hand.
If that doesnt work, the last dealer I worked at we used to use small pieces of foam behind squeaking or rattling interior panels.
If that doesnt work, the last dealer I worked at we used to use small pieces of foam behind squeaking or rattling interior panels.
11-24-2010, 11:22 AM
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I think he means the "girlfriend".....[/QUOTE]
Yeah I was kinda thinking that. It makes sense but I was hoping it was a real answer that would actually help me.
I would check the panels themselves. I have had my solids for a while, put solids in my brother's Z28 and just got done putting solids in a LS2 GTO... havent really noticed any excessive "rattle" noises, that werent really present before hand.
If that doesnt work, the last dealer I worked at we used to use small pieces of foam behind squeaking or rattling interior panels.
If that doesnt work, the last dealer I worked at we used to use small pieces of foam behind squeaking or rattling interior panels.
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11-24-2010, 12:16 PM
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Ok, so after doing some reading I have noticed that people say that having a cam really causes more vibrations. Maybe people with stock motors or only bolt ons are the ones without any difference between stock and solid mounts. Anyways here is a link to the cam I have... http://www.summitracing.com/parts/CCA-07-304-8/
I havent had my motor balanced or anything so maybe that adds to it. But my next question is, If I change to poly or prothane mounts will I still have a lot of vibrations? Its my understanding that the stock ones have the rubber to absorb the vibrations.
I havent had my motor balanced or anything so maybe that adds to it. But my next question is, If I change to poly or prothane mounts will I still have a lot of vibrations? Its my understanding that the stock ones have the rubber to absorb the vibrations.
11-30-2010, 04:24 PM
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I know the car will vibrate with these mounts, but I was wondering if there is any way to reduce it. I think mine is a little worse than what others are experiencing with solid mounts
12-01-2010, 10:17 AM
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This thread is funny. That's what you get for asking people online what their opinion is. How do you define what's not too bad or not? Some people think the worst ride quality rides like a caddilac. Other's think a nice cushy ride car hurts their back, ****, and vagina. You're the only one who knows what YOU think rides well or vibrates too much.
12-01-2010, 11:00 AM
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I really don't think you are going to be able to "reduce" it unless you get rid of the solid mounts. My car rattles, is noisy as hell, and is not all that comfortable to ride in, but I've just gotten used to it. Give it a while and see if you can "adjust" to it. It's not a caddy. 
