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.

Swap Mount Instructions

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Old Dec 6, 2012 | 05:26 PM
  #1  
jazzdadss's Avatar
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Swap Mount Instructions

http://www.hawksthirdgenparts.com/pr..._90549_std.jpg



Are these supossed to come with instructions?? The holes dont line up at all????
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Old Dec 6, 2012 | 05:35 PM
  #2  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Mine did.

Call them up and have them email you a .pdf of them.

Some of the holes line up, you need to drill others.
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Old Dec 6, 2012 | 09:40 PM
  #3  
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From: Gobles, Michigan
Car: 92 Ttop Z28
Engine: Cammed 6.0
Transmission: T-56
Axle/Gears: Built 10 bolt-3.90s w/ PBR discs
Re: Swap Mount Instructions

The drivers side I had all 4 line up, the passenger side only had 3 line up and I had to drill one hole. My car was a v6 car to start. I tossed my instructions, but IIRC, it's pretty much line up the forward facing holes of the adapter plates, to the rearward holes used on the kmember for the factory clamshells. There were no illustrations.....
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Old Dec 7, 2012 | 05:07 PM
  #4  
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Car: 91 Trans Am
Re: Swap Mount Instructions

^ Thats how you do it

Id suggest fabbing a "nut plate" with some scrap sheet metal and some nuts welded to it since the K-member nuts are a huge pain to access
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Old Dec 8, 2012 | 08:27 AM
  #5  
jazzdadss's Avatar
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Joined: Dec 2009
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap Mount Instructions

thanks, I was thinking I was gonna have to take a holesaw to the Crossmember to access the nut! Ive got them in place.

Now I have to figure out with the Hawks Trans Crossmember if the fuel/brake lines get pushed up on top of the crossmember or on the inside edge???
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Old Dec 10, 2012 | 02:11 AM
  #6  
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From: Oakland, CA
Car: 2000 Camaro SS/86 Iroc/89 Iroc(x2)
Engine: LS1
Transmission: 6 Speed
Axle/Gears: 4.10
Re: Swap Mount Instructions

Originally Posted by jazzdadss
thanks, I was thinking I was gonna have to take a holesaw to the Crossmember to access the nut! Ive got them in place.

Now I have to figure out with the Hawks Trans Crossmember if the fuel/brake lines get pushed up on top of the crossmember or on the inside edge???
I'd Secure it to the back end of the Kmember, It doesn't have much room but that's how the mounts are made.
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Old Dec 10, 2012 | 05:28 PM
  #7  
jazzdadss's Avatar
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Joined: Dec 2009
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap Mount Instructions

Originally Posted by BlueMagicSS
I'd Secure it to the back end of the Kmember,
??? Not sure I follow???
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Old Dec 10, 2012 | 06:02 PM
  #8  
BlueMagicSS's Avatar
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From: Oakland, CA
Car: 2000 Camaro SS/86 Iroc/89 Iroc(x2)
Engine: LS1
Transmission: 6 Speed
Axle/Gears: 4.10
Re: Swap Mount Instructions

Originally Posted by jazzdadss
??? Not sure I follow???
The brake lines, I'd use some metal clips or something to secure it to the back part of the k-member. The fuel lines should come up the driver's side frame rail so you shouldn't be worried about those.
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Old Dec 11, 2012 | 10:06 AM
  #9  
jazzdadss's Avatar
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap Mount Instructions

Gotcha. Where I am concerned it where the fuel lines run through the tunnel. With the Hawks trans crossmember it interferes with the factory routing. I'm thinking it would be more safe to just bend the lines to go over the crossmember rather than let them be on the exhaust side of the crossmember. Either way it looks to be the factory routing is out the door.
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