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2005 Sierra- V6 to V8 motor mount issue

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Old 10-24-2015, 08:27 PM
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Default 2005 Sierra- V6 to V8 motor mount issue

Ran into a hell of a snag.. Went to install motor and noticed that the frame mounts that came off a v8 Silverado will not mount to the sierras frame. Notice the right hand side, the two mount holes are a lot further apart than the left side. The other picture is of the frame mounts we got that were supposed to be for a V8..


Anyone know if we have the wrong frame mounts? Or what is going on?



Old 10-25-2015, 05:30 AM
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Have you compared frame mounts through GM?
Old 10-25-2015, 09:58 AM
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Think they sold you two passenger side motor mounts. Going back to other pictures I have of different v8 trucks they all have that spaced out driver side mount.
Old 10-26-2015, 01:39 AM
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It's possible those are from a torsion bar frame and you need them from a coil spring frame. The frames are different in the front as well as the mounts.
Old 10-26-2015, 02:04 AM
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x2 didn't think about that ^^^^
Old 10-26-2015, 02:09 AM
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Originally Posted by Three6GMC
x2 didn't think about that ^^^^
I literally just did an engine swap on a torsion bar frame Sunday. I recognize those mounts...
Old 10-31-2015, 04:18 AM
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It's possible those are from a torsion bar frame and you need them from a coil spring frame. The frames are different in the front as well as the mounts.
this ..
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