This is a discussion on WTF within the General Help forums, part of the LSx Technical Help Section category; ok i put a poly tranny mount in my bird an now not only do i feel more vibration but ...
06-24-2009, 03:55 PM #1
ok i put a poly tranny mount in my bird an now not only do i feel more vibration but it seems like it rev's up and down slower an seems slugish under 2500 rpm
06-24-2009, 04:32 PM #2
The vibration is/should be expected. Sluggish? I dont see how a poly mount could have anything to do with it feeling sluggish. Its probably in your head cause your not pissed about feeling those extra vibrations
06-24-2009, 04:36 PM #3
i knew the extra vib was going to happen cause the new mount has very little give to it,maybe the sluggish is in my head but i swear it even rev's down slower.and it doesn't seem to have as much balls under 2500 RPM
06-24-2009, 05:03 PM #4
No chance you installed a new cam as well is there?
I dont see how installing a mount has any effect on low RPM.
06-24-2009, 05:09 PM #5
i wouldn't even know what to put in for a cam i haven't looked into them yet i love the rumble at a idle when you have one in thou,any advice you can give me on a cam.an the whole tranny mount thing is there a chance i'm putting pressure on something i shouldn't be.
06-24-2009, 05:13 PM #6
The tranny mount install is fairly simple. Which one did you go with? Energy suspension? If so, some have claimed they had to grind down the two nubs on top to help with installations and bad vibrations. I did not. I have next to zero vibration.
Do some general maintance and your slightly sluggish behavior might go away.370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator
Build in progress...
06-24-2009, 05:17 PM #7
it was just a basic poly mount from summit an it was more then simple to do the install but it was the only thing i did to it when i noticed the issue
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