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Old 09-08-2006, 07:18 PM   #1
Scooby Specialist
Member#: 85227
Join Date: Apr 2005
Chapter/Region: VIC
Location: Vancouver, BC, Canada
2005 STI

Default Group N STI tranny mount review

Install was easy, but I didn't have the torque specs for all the bolts. I did the best I could "by feel." Torqued the 2 big 12mm bolts to 80 ftlbs... but the rest were about 40-50 ftlbs in my estimation.

If somebody has the torque specs for all the bolts needed to be removed (all the brackets), please let me know.

Stock mount appeared to be BROKEN! I will upload a pic later, but I'm pretty sure it was busted. The Group N mount looked taller and bigger, but weight was the same at 3 lbs each... my scale goes in 1/4 lb increments so I suspect the group N is more like 3.24 and the stock one is 2.76 and they both came out as 3 lbs on the display.

NVH seems to be noticeably worse... I can feel vibratons in my butt. Is this normal? I installed Urethane bushings in my Honda before and it resulted in something similar, but that was all 5 mounts! I didnt think replacing 1 mount would cause this much vibration. Maybe I messed up the tightening sequence or torque specs?

I also removed this 1 lb "vibration dampener" so maybe that is causing the excess vibration. I hear of people removing the "5 lb dampener" on their earlier model Subarus so I didn't think removing this small one would make much difference... will try putting it back in and see what happens.

Anyways, the thing does as it should...keeps the tranny in place! 1-2 speedshift midturn is no problem now... feels just like when doing it in a straight line.

1.5 thumbs up... due to the added NVH.
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