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Author Topic: Busted Motor Mount Bolts  (Read 2835 times)

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Offline sharpxmen

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Re: Busted Motor Mount Bolts
« Reply #15 on: April 05, 2012, 09:40:51 PM »
Quote from: 1995yj on April 05, 2012, 07:12:45 PM
The top of the bolt was 8.8.  What matched closest was (3) M10-1.5x30mm, but they were a few mm shorter. 35mm was too long. Thanks for the grade info, I was wondering what the numbers ment.

i'm pretty sure the original ones are flange head 10.9 (grade 8 equiv), so maybe that's another reason they broke.
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Offline aka-justin

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Re: Busted Motor Mount Bolts
« Reply #16 on: April 19, 2012, 06:05:29 PM »




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[1995 YJ 2.5L with 4" lift on 31" KM2 - Sold] 1995yj
[2003 TJ Rubicon 4.0L with 4" lift on 35" Wrangler M/T - Sold]
To be continued...
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Offline aka-justin

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Re: Busted Motor Mount Bolts
« Reply #17 on: April 22, 2012, 05:47:42 PM »
Glad I got the new motor mounts  :yikes: ...



Went in pretty easy - all things considered. Hardest bolts were the two upper on the driver side. I was able to get them in via the wheel well with a magnetic pickup tool.









Now, cigar time..  :bandit:
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[1995 YJ 2.5L with 4" lift on 31" KM2 - Sold] 1995yj
[2003 TJ Rubicon 4.0L with 4" lift on 35" Wrangler M/T - Sold]
To be continued...
--Justin

Offline neale_rs

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Re: Busted Motor Mount Bolts
« Reply #18 on: April 23, 2012, 07:56:20 AM »
Wow, that really bolts them in!  How is it vibration-wise?
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Offline aka-justin

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Re: Busted Motor Mount Bolts
« Reply #19 on: April 23, 2012, 08:44:38 AM »
Quote from: neale_rs on April 23, 2012, 07:56:20 AM
Wow, that really bolts them in!  How is it vibration-wise?

No different from before. I had 1" poly mounts before. Maybe it's the extra weight of the 6 cyclinder? but I've never really heard much noise. I would of went with the rubber mounts, but the poly's hold up better in high heat, and it's 100+ summers out where I'm at in So. Cal. I get more noise from the road and tires than anything.
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[1995 YJ 2.5L with 4" lift on 31" KM2 - Sold] 1995yj
[2003 TJ Rubicon 4.0L with 4" lift on 35" Wrangler M/T - Sold]
To be continued...
--Justin

Offline neale_rs

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Re: Busted Motor Mount Bolts
« Reply #20 on: April 23, 2012, 08:55:14 AM »
Thanks
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'95 YJ, 33 x 12.5 mud tires, RE 4.5 ED lift, Atlas 4 speed, rear D44, ARBs front and rear, 4.56 gears, 8000# winch

Offline Jeffy

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Re: Busted Motor Mount Bolts
« Reply #21 on: April 23, 2012, 09:14:42 AM »
Quote from: 1995yj on April 23, 2012, 08:44:38 AM
No different from before. I had 1" poly mounts before. Maybe it's the extra weight of the 6 cyclinder? but I've never really heard much noise. I would of went with the rubber mounts, but the poly's hold up better in high heat, and it's 100+ summers out where I'm at in So. Cal. I get more noise from the road and tires than anything.
The I6 vibrates less then the I4.  The extra two cylinders makes for a smoother transition between the first and the last cylinders firing.
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Offline aka-justin

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Re: Busted Motor Mount Bolts
« Reply #22 on: April 23, 2012, 09:17:02 AM »
Quote from: Jeffy on April 23, 2012, 09:14:42 AM
The I6 vibrates less then the I4.  The extra two cylinders makes for a smoother transition between the first and the last cylinders firing.

That makes sense. It runs a LOT quieter than my 2.5L YJ did and has the same exhaust.
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[1995 YJ 2.5L with 4" lift on 31" KM2 - Sold] 1995yj
[2003 TJ Rubicon 4.0L with 4" lift on 35" Wrangler M/T - Sold]
To be continued...
--Justin
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