I run both the Wevo semi-solid engine and transmission mounts and yes, the increase in NVH is far too great for a street car.
I've never had the hard mounts fool the knock sensor. There were reports of this a long time ago and this legend continues to be repeated but as you can see from my recent dyno, my engine produces full power.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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