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9xxnick
Monza


Joined: 29 Jul 2014
Posts: 186



PostPosted: Sun Jul 07, 2019 8:07 pm    Post subject: Standard vs RS gearbox mounts - can you tell them apart? Reply with quote

I ordered and fitted what I thought was a standard gearbox mount for my C2 from an OPC. Having fitted it, I now have a car which is suffering from a significantly increased amount of engine vibration and noise. I find it difficult to believe that the amount of vibration would have been acceptable in a new car, and it makes me wonder whether I have the right part installed.

My question is: if they've sent me an RS mount by mistake is there any way of distinguishing it from a standard one by visual or other means? I suspect the part number was on a sticker wrapped around it, so that will have been removed before fitting.
 
  
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The return of Marty Wild
Kyalami


Joined: 04 Nov 2016
Posts: 1803



PostPosted: Sun Jul 07, 2019 8:14 pm    Post subject: Reply with quote

I’ve got the RS mounts in my Boxster, apparently the staff at Precision said it felt a lot tighter and there’s more NVH. It’s not bad IMO though, just noticeable at low revs and idle.
_________________
Life's too short for cr4ppy cars, keep it German!

Boxster S 986.1
Cayman S 987.1 (gone but not forgotten)
 
  
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9xxnick
Monza


Joined: 29 Jul 2014
Posts: 186



PostPosted: Mon Jul 08, 2019 6:09 am    Post subject: Reply with quote

In fact, I've answered my own question - they have the part number moulded into the rubber, logically enough.
 
  
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Cameltoe & Heel
Barcelona


Joined: 26 Jan 2009
Posts: 1335
Location: Preston - Lancs


PostPosted: Mon Jul 08, 2019 9:24 am    Post subject: Reply with quote

and so?, did you fit standard or RS?, I wouldn't of thought the mere introduction of an RS gearbox mount would cause such a significant increase in NVH?.

Trev
 
  
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The return of Marty Wild
Kyalami


Joined: 04 Nov 2016
Posts: 1803



PostPosted: Mon Jul 08, 2019 9:42 am    Post subject: Reply with quote

Think you’d be surprised, a mate of mine did his and noticed it big time. His were the Rennline semi solid adjustables though.

The 964/993 RS mounts are good in my Boxster, once you’re moving the NVH is fine, tis a 20yo cab though I guess Laughing

Matched to the GT3 997 shifter and new box oil, it’s the best gear change I’ve ever had on any car I’ve ever owned.
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Life's too short for cr4ppy cars, keep it German!

Boxster S 986.1
Cayman S 987.1 (gone but not forgotten)
 
  
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9xxnick
Monza


Joined: 29 Jul 2014
Posts: 186



PostPosted: Wed Jul 10, 2019 10:33 am    Post subject: Reply with quote

Haven't been able to determine if the wrong mount's fitted yet but since the engine's coming out in about three weeks it'll get checked then.
 
  
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