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Factory engine mount position for 4.3

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Wageslave

Wageslave

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Jan 25, 2017
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I am getting ready to install my 4.3 and TH200 in my '85 Bonneville. I am wondering where the stock 4.3 mount location is? I could buy the mounts and just hang everything, but those nuts on the back side look like a PITA to get to. The Buick 3.8 mounts are still installed at the moment.
 
455'ed80Regal

455'ed80Regal

Master Mechanic
Nov 3, 2010
467
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Lincoln, MO
Same as SBC. The bottom front hole on each frame mount won't get a bolt. The K-member is pre-drilled for all the different engines available so it's just a matter of lining up the 3 bolt holes in the frame mounts.
 
Wageslave

Wageslave

Royal Smart Person
Jan 25, 2017
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With all the holes in the cross member, it looks like it is drilled for every GM engine ever made.
 
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