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72 camaro mounts LS1

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Old Sep 14, 2006 | 12:06 AM
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Default 72 camaro mounts LS1
i have a 72 camaro with the clamshell mounts. i got the trans dapt plate adapters. the mount dont seem to line up at all!!! so i took it all apart and got my brothers 68 camaro mounts, the old style. since he had an ls1 also. those dont seem to match up with any holes in my cross member. any ideas? i can drill new holes but would rather it bolt right in.
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Old Sep 14, 2006 | 10:58 AM
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any one got any ideas??
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Old Sep 14, 2006 | 12:13 PM
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1) Just Drill new holes (yeah...I Know it's can be hard to get the nuts and washers on, but it can be done with a good selection of tools and some glue/tape to hold nuts and washer to the tools as you snake it into the frame)

2) try other Frame mount (good idea anyway to get correct engine height) from other models and engine along with different motor mounts (can be different heights also. EnergySuspension makes a Tall and Narrow and a standard short/wide mounts)

3) Fab up some new frame mounts (JohnB's Monte site has a good one design to start wtih.)


Good luck
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Old Sep 15, 2006 | 01:01 PM
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ats told me i can use frame mounts from year one, PN CBB70 and poly engine mounts from energy suspension, PN 3-1114G
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Old Sep 15, 2006 | 04:04 PM
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I made my BRP Style plates and used the Energy Suspension Tall and Narriow Poly mounts. #1117G (the 1114G is the standard mount). I messed around with both mounts to get the right engine height. if you need to drop the engine down the width of the base plate, you don't need it. The plate mounts will act as the base plate. I was about to move up and down about 3/4" using a combination of the mounts and plates. (I think I might still have the short and narrow sitting around, guess I should post and sell them)

It took a few hours to cut, drill, tap and grind to create my mounts with standard hand tools. I powder coated them myself. $10.00 invested for the steel.

from the Energy Suspension site.
Short & Wide Type Early Style General Motors Performance Polyurethane MOTOR MOUNTS
Two Types- short & wide and tall & narrow are available, and in two finishes:

Short & Wide Type:
#3.1114 has a zinc finish.
#3.1115 has a chrome finish.

Inside Width- 2 5/8"
Height Base to Bolt Center- 1 3/4"
Replaces O.E. part numbers: 3990914, 3960768, 6258154
Replaces aftermarket numbers: 2267, 2285, 2142
This type / size chrome motor & transmission mount set is #3.1133.
This type / size zinc finish motor & transmission mount set is #3.1120.

Tall & Narrow Type Tall & Narrow Type:
#3.1117 has a zinc finish.
#3.1118 has a chrome finish.

Inside Width- 2 3/8"
Height Base to Bolt Center- 2 3/16"
Replaces O.E. part numbers: 3962740, 3990918, 3962748
Replaces aftermarket number- 2283
This type / size chrome motor & transmission mount set is #3.1134.
This type / size zinc finish motor & transmission mount set is #3.1122.
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Old Sep 15, 2006 | 07:13 PM
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I had the same problem on my 71. the adapter plates did not alighn the mounts onto the pedestles. I had to drill new holes on the k member to get engine sitting right
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Old Sep 16, 2006 | 11:23 AM
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Originally Posted by lowapache
ats told me i can use frame mounts from year one, PN CBB70 and poly engine mounts from energy suspension, PN 3-1114G
have you tried this setup? those are the bbc mounts and then the standard energy mount, which i have. ill get some bbc frame mount and see if it works.
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Old Sep 16, 2006 | 11:01 PM
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no i order the mounts on friday and i will order the polymount on monday
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Old Sep 17, 2006 | 12:08 AM
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The above PN that Apache posted are the ones we used in this 1970 Camaro:







Tyler
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Old Sep 17, 2006 | 02:53 AM
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Originally Posted by Teetoe_Jones
The above PN that Apache posted are the ones we used in this 1970 Camaro:
Tyler
Now did the frame side mount bolt right on? i bought those mounts today and they did not line up with any holes in my frame so i went back to my original mounts and drilled new holes.


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Old Sep 17, 2006 | 03:08 PM
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Yes, the frame mounts bolted up zero issues.

Tyler
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Old Sep 22, 2006 | 11:07 AM
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teetoe did u have to redrill the mount to the frame or did they just bolt up and are the camaro mounts the same as the firebird
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Old Sep 22, 2006 | 11:15 AM
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The frame mounts bolted up, we did not have to redrill the frame to install them.

Tyler
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