In reference to mine, I let the revs get over 4k in 2nd gear and held it there while I drove it and it was quiet and the shifter was not buzzy at all. Got up to speed and held it there........notta. Went from 4th to 3rd instead of 5th , held it there as the RPM winded and notta............not sure I can replicate any unwanted stuff as I think I tried it all. Dropped down to 2nd and got squirrely ripping through the gears........notta. No notchy shifting between gears either. smooth gear to gear selection no matter what kind of accelerating or decelling.
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The only thing I can attribute the value of the heatshield, other than the obvious, is the fact that the area I have circled in the pic(which pertains to both sides of the heatshield) press firmly against the transmission tunnel. I say "firmly" because when adjusting the shifter UP or DOWN in the application, the heatshields make it difficult to push too far UP because they press against the side of the trans tunnel. The aluminum heatshield is wrapped in a sound deadening material AS WELL AS the white asbestos type heat shield/sound deadening material being used in conjunction. These two "factors" used simultaneously, pressing against the sides of the trans tunnel creating a layer/eliment of "stability" from any lateral shifting/torquing seem to help. It's as if these aid in keeping the transmission "still" inside the trans tunnel during operation.
I also RTV'd a small layer between the metal to metal contact on the BF Shifter adapter and MGW rear shifter mount to suppress any potential NVH.
The only thing I can attribute the value of the heatshield, other than the obvious, is the fact that the area I have circled in the pic(which pertains to both sides of the heatshield) press firmly against the transmission tunnel. I say "firmly" because when adjusting the shifter UP or DOWN in the application, the heatshields make it difficult to push too far UP because they press against the side of the trans tunnel. The aluminum heatshield is wrapped in a sound deadening material AS WELL AS the white asbestos type heat shield/sound deadening material being used in conjunction. These two "factors" used simultaneously, pressing against the sides of the trans tunnel creating a layer/eliment of "stability" from any lateral shifting/torquing seem to help. It's as if these aid in keeping the transmission "still" inside the trans tunnel during operation.
I also RTV'd a small layer between the metal to metal contact on the BF Shifter adapter and MGW rear shifter mount to suppress any potential NVH.