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Group N trans mount.


bdcvg
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There are rumours that the torque specs in the TSM are incorrect for the 17mm head size bolts crossmember to chassis. TSM says 103ish ft lbs. Anybody know what is correct?

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  • 2 weeks later...

Trans mount in no issues. 103 lbs worked fine . Side note the other noise I experienced after Group N motor mounts was 95 % erased by correcting tire pressures. The sweet spot for My set-up appears to be 35 frt and 32 rear.

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  • 2 weeks later...

Wow, 103ftlbs...I have never torqued those bolts, I just tighten them. I'm sure nowhere near 103ftlbs...for some reason, that sounds like a lot to me.

But I do torque all lug nuts to 80ftlbs, using anti-seize compound.

305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD).  CHECK your oil, these cars use it.

 

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On 11/18/2022 at 10:37 AM, Max Capacity said:

Wow, 103ftlbs...I have never torqued those bolts, I just tighten them. I'm sure nowhere near 103ftlbs...for some reason, that sounds like a lot to me.

But I do torque all lug nuts to 80ftlbs, using anti-seize compound.

80 is probably enough, but spec is 120nm or, 88.5ft-lb.  At least on all the current stuff, I remember looking up spec for my 2001 impreza and legacy and it is 88nm or, 65ft-lb... that seems WAY too light.  But the wheels weighed less too.

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On 11/22/2022 at 6:53 PM, BoozeRS05 said:

Any opinion. Will I want to replace the original crossmember bushings with 198k miles while I’m in there?

I also tighten my wheel lugs to 88ftlb fwiw

I used Energy bushings in the crossmember and regret it, two squeaky years later. Go OEM.

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