C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Feb 13, 2006 | 01:57 PM
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Default poly motor mount

who makes a poly motor mount for a 71 with a 454? summit does not carry one.
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Old Feb 13, 2006 | 03:38 PM
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Contact the manufacturer for their recommendation.

http://www.energysuspension.com/index.html
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Old Feb 13, 2006 | 04:03 PM
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I just looked at their web site and couldn't find one for a big block. Small block yes, big block no. However they did list one for a 65 with big block (396), and its the same as the small block. Do they use the same mounts? I know the frame is the same. I just assumed with the larger mass that their would be a differently designed motor mount.

trw
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Old Feb 13, 2006 | 04:49 PM
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Hmmm. That's funny. I think that is where I bought mine for my 70. It should be the same one for a 71. Let me check my notes and I'll get back to you.
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Old Feb 13, 2006 | 04:56 PM
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Summit part number: ENS-3-1114G Price $29.95 ea. or $59.90 for the pair.

That's the ones I used, they bolted up just fine.
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Old Feb 13, 2006 | 06:59 PM
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that is the same mount I used for my small block in my 81.
are the motor mounts the same for all chevy V-8's?
LS-Five that number according to summit does not work on a 454, if it worked for you I might just order it
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Old Feb 13, 2006 | 07:24 PM
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I'm sure someone else will chime in on this, but... I believe I got that part number from someone else here on the forum when I was doing my drivetrain swap last winter.

From what I can remember there are basically only two styles of mounts, and I think they call these the "short" style. The P/N that I gave you was lifted directly off my old reciept from Summit and those were the exact mounts I used for my 496. Hope this helps.
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Old Feb 13, 2006 | 07:37 PM
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For your reference here is the energy suspension website that explains the difference between the two styles.

http://www.energysuspension.com/pages/mt_tr1.html
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Old Feb 13, 2006 | 07:50 PM
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thanks LS-Five
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