LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Motor mount Help!

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Old Mar 2, 2012 | 09:04 PM
  #1  
Speedfreak391's Avatar
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From: Grand Rapids, MI
Car: 87 iroc Arctic White w/gold ss stri
Engine: Turbo'd 5.3 in process
Transmission: T-56 w/SPEC stage 3+ clutch
Axle/Gears: 9" Moser w/3.25's
Motor mount Help!

Ok guys, I am having a hell of a time with my motor mount plates. I got a set of 1" set back plates from jeggs. But I have just about had it with these efing mounts and plates. I am already $75 deep into these mounts and I would like to get my motor in my car like asap. I am trying to upload some pics to show you what I am working with. I guess they are to big to upload.

I guess the question I need to be asking is, Are my clam shells supposed to be below the front 2 exhaust ports? Or do I have these mounting plates on wrong. I feel like a complete idiot asking this.
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Old Mar 3, 2012 | 07:01 AM
  #2  
88 350 tpi formula's Avatar
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From: WI,USA
Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
Re: Motor mount Help!

use photo bucket.

im not sure i understand the issue? the idea of the offset is to set the motor back towards the firewall
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Old Mar 3, 2012 | 07:48 AM
  #3  
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From: NE Pa
Car: 1989 Iroc-Z Convertible
Engine: 6.0 LQ4 LSX
Transmission: T56
Axle/Gears: Moser 12 bolt w/4.11s
Re: Motor mount Help!

not really sure either, but the clamshells only have one place to go on the block. I used the Spohn swap mounts with the only issue being the second mount bolt being a PITA to line up (seems to be pretty common). I know many others have used 1" set backs with their swaps also. Search around the swap threads.
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Old Mar 3, 2012 | 06:37 PM
  #4  
Speedfreak391's Avatar
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Joined: Apr 2007
Posts: 136
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From: Grand Rapids, MI
Car: 87 iroc Arctic White w/gold ss stri
Engine: Turbo'd 5.3 in process
Transmission: T-56 w/SPEC stage 3+ clutch
Axle/Gears: 9" Moser w/3.25's
Re: Motor mount Help!

The problem I am having is the pass side clam shell hit the threaded boss on the block for the truck accessories.
Attached Thumbnails Motor mount Help!-20120303_124830-1-.jpg   Motor mount Help!-20120303_124852-1-.jpg  
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Old Mar 3, 2012 | 08:21 PM
  #5  
ransam's Avatar
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From: colona illinois
Car: 88 trans am 72 olds cutlass
Engine: soon to be 5.3 455 olds
Transmission: soon to be t-56 2004r
Axle/Gears: 3.23 3.73
Re: Motor mount Help!

I had the same problem and i just took a grinder and made a half circle notch to clear the bolt boss.
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Old Mar 3, 2012 | 09:14 PM
  #6  
Speedfreak391's Avatar
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Joined: Apr 2007
Posts: 136
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From: Grand Rapids, MI
Car: 87 iroc Arctic White w/gold ss stri
Engine: Turbo'd 5.3 in process
Transmission: T-56 w/SPEC stage 3+ clutch
Axle/Gears: 9" Moser w/3.25's
Re: Motor mount Help!

I already have the plasma cutter out for the morning. And that was the plan.
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Old Mar 4, 2012 | 08:26 AM
  #7  
Brando5641's Avatar
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: Motor mount Help!

Originally Posted by Speedfreak391
I already have the plasma cutter out for the morning. And that was the plan.
YEA!!! gotta love the plasma
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