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 help asap!!!!

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Old Jul 5, 2013 | 12:46 AM
  #1  
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Swap help asap!!!!

Alright i need some help im kind of at a stand still on my swap i have a few questions.
• i modified the k-member for a/c do i need to modify it for the oil pan clearence?
• i bought hawks swap mounts that bolt to k-member is that the only piece i need to bolt up the motor or do i need adapter playes as well?
• do i need to modify oil pad in order to fit? If so how would i go about doing that?
• im thinking on trying to tackle the wiring on my own to save money how hard is it? What exactly do i need to do? Someone was telling theres to seperate harnesses one the the motor and a whole separate one for the fuse box is this true? Or is it all on harness?
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Old Jul 5, 2013 | 02:13 AM
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Re: Swap help asap!!!!

You need the 4th gen engine side mounts.

Some people have gotten the pan to clear without any mods, but they all attached the engine to the K-member outside of the car, I believe. Makes more sense to mod the K-member than the pan if mods are necessary.

More detail on your car and what harnessing, etc, you got with the engine would be helpful.
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Old Jul 5, 2013 | 02:35 AM
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Re: Swap help asap!!!!

Originally Posted by five7kid
You need the 4th gen engine side mounts.

Some people have gotten the pan to clear without any mods, but they all attached the engine to the K-member outside of the car, I believe. Makes more sense to mod the K-member than the pan if mods are necessary.

More detail on your car and what harnessing, etc, you got with the engine would be helpful.
I have the stock engine mounts that came with the motor i can just use these right?

People tell me the oil pan hangs way to low that i need to cut it and cut the pick up and well.

I have an 84 berrlineta it was a stock v6 im putting an 01 5.3 in it off a Tahoe

Ive been working on it for 8 months now at this point i just wanna know what i need to do to get the motor in and running!
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Old Jul 5, 2013 | 07:32 AM
  #4  
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From: Pittsburgh, PA
Car: 91 Formula
Engine: 2012 LS9
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Axle/Gears: Strange 60 3.54:1
Re: Swap help asap!!!!

You need a 4th gen Camaro pan & pickup.
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Old Jul 5, 2013 | 09:22 AM
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Re: Swap help asap!!!!

As five7kid stated, you will need the 98-02 Fbody engine mounts to work with the kmember side mounts. Truck style ones are not compatible.
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Old Jul 5, 2013 | 02:13 PM
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Re: Swap help asap!!!!







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Old Jul 5, 2013 | 02:15 PM
  #7  
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Car: 1989 IROC LSX
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Axle/Gears: 3.73
Re: Swap help asap!!!!

I did not modify my x-member and I can still slide a piece of paper between my oil pan and x-member. Just makes it a pain for me to get to the bell bolts because the engine wont tilt back at all.
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Old Jul 5, 2013 | 02:16 PM
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Re: Swap help asap!!!!

Originally Posted by jazzdadss






Okay i have the swap mounts and trasmission crossmember

I have to use the camaro mounts? Theres absolutly no way tge truck ones will work? Do need adapter plates tho?

How do i do the wiring? Do i have to use a undergood fuse box? Or can i eliminate it?
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Old Jul 5, 2013 | 02:18 PM
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Re: Swap help asap!!!!

Originally Posted by jazzdadss
I did not modify my x-member and I can still slide a piece of paper between my oil pan and x-member. Just makes it a pain for me to get to the bell bolts because the engine wont tilt back at all.
But does the oil pan hand to low? I heard it hangs way to low?
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Old Jul 5, 2013 | 02:52 PM
  #10  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

My 98 f-body pan sits about a 1/4 inch higher than the x-member. I beleive the swap brackets are made for F-body LS mounts (Cheap from parts store) and NO adaptor plates. Take your mounts to the parts store and compare the mounts. I bet they are different. as far as wiring , you have lots of reading to do. You need to have a good understanding of what you are doing before you cut your 1st wire. Good luck and keep us posted. Read Pockets post at the begining of the swap threads.

Here , I will give you the link.

https://www.thirdgen.org/forums/ltx-...third-gen.html

Be prepared for Hours And Hours of reading. take notes, Get printer paper and ink ready! Start a file.
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Old Jul 5, 2013 | 05:38 PM
  #11  
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Re: Swap help asap!!!!

Originally Posted by jazzdadss






Those mounts you posted are off ehat year camaro?
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Old Jul 5, 2013 | 07:44 PM
  #12  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

98 LS1. I did instal poly bushings but its not a must.
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Old Jul 5, 2013 | 07:45 PM
  #13  
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Re: Swap help asap!!!!

Originally Posted by jazzdadss
98 LS1
Does that part bolt on to the block?
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Old Jul 5, 2013 | 07:48 PM
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Car: 92 Ttop Z28
Engine: Cammed 6.0
Transmission: T-56
Axle/Gears: Built 10 bolt-3.90s w/ PBR discs
Re: Swap help asap!!!!

Yes
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Old Jul 5, 2013 | 07:53 PM
  #15  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

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Old Jul 5, 2013 | 09:38 PM
  #16  
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Re: Swap help asap!!!!

Originally Posted by jazzdadss
Where did you buy them? And how much were they?
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Old Jul 6, 2013 | 03:52 PM
  #17  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

E-Bay.

http://www.ebay.com/itm/PROTHANE-7-512-LS1-V8-Motor-Mount-Inserts-98-02-Chevy-Camaro-Firebird-Poly-/181093214144?pt=Motors_Car_Truck_Parts_Accessories&hash=item2a29ff27c0&vxp=mtr

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Old Jul 6, 2013 | 03:54 PM
  #18  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

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Old Jul 7, 2013 | 11:30 PM
  #19  
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Re: Swap help asap!!!!

I have that tranny mount does the insert go into tye stock truck clamshell? Or do i need to buy the clamshell as well? Does it come as a pair?
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Old Jul 8, 2013 | 08:28 AM
  #20  
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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 help asap!!!!

If you have the swap mounts that bolt to the Kmember, you must have 98-02 Camaro or firebird clamshells that bolt to the engine block. There is no way around that, the truck mounts are completely useless to you in this situation. The poly inserts are optional to install into the 98-03 Fbody clamshells.
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Old Jul 8, 2013 | 04:05 PM
  #21  
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Re: Swap help asap!!!!

Originally Posted by 25th327RS
If you have the swap mounts that bolt to the Kmember, you must have 98-02 Camaro or firebird clamshells that bolt to the engine block. There is no way around that, the truck mounts are completely useless to you in this situation. The poly inserts are optional to install into the 98-03 Fbody clamshells.
Okay thanks alot bro
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Old Jul 8, 2013 | 04:54 PM
  #22  
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From: Atlantic Canada
Car: 87 Trans Am
Engine: LS1
Transmission: T56
Re: Swap help asap!!!!

I'm researching like crazy for a swap. I found this video on how to do LS conversion wiring.

This site is a huge help... READ EVERYTHING
http://www.lt1swap.com/index.htm

Another good site:
http://www.lsxtv.com/

Here is good info on the accessory drives:
http://www.carcraft.com/techarticles...e/viewall.html

I've made a list, detailing all different aspects of the swap.
Fuel system, electrical, motor changes (intake, accessories etc) frame modifications and engine mount needs.
As you write it down, it will start to make sense, and then you do more research and things change.

In doing all this, the swap SHOULD go pretty smooth.
My plan is to mock up the motor and transmission outside of the car (wiring, accessories etc) and hope that once it comes time to actually put it in, it will be smooth without any major surprises.
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Old Jul 8, 2013 | 04:58 PM
  #23  
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Re: Swap help asap!!!!

Originally Posted by WTR388
I'm researching like crazy for a swap. I found this video on how to do LS conversion wiring.
How To: 4 Wire LS Wiring Harness Conversion, Part 1 - YouTube

This site is a huge help... READ EVERYTHING
http://www.lt1swap.com/index.htm

Another good site:
http://www.lsxtv.com/

Here is good info on the accessory drives:
http://www.carcraft.com/techarticles...e/viewall.html

I've made a list, detailing all different aspects of the swap.
Fuel system, electrical, motor changes (intake, accessories etc) frame modifications and engine mount needs.
As you write it down, it will start to make sense, and then you do more research and things change.

In doing all this, the swap SHOULD go pretty smooth.
My plan is to mock up the motor and transmission outside of the car (wiring, accessories etc) and hope that once it comes time to actually put it in, it will be smooth without any major surprises.
Yeah ive seen that video i liked it but i just wanna know if that will actually work lol are you gonna do that?
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Old Jul 8, 2013 | 05:27 PM
  #24  
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Re: Swap help asap!!!!

Check out the LS1 swap sticky at the top of the forum. I wrote several articles going into great detail of how to build your harness starting with any LSx harness and how to tailor it to your 3rd gen specifically
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Old Jul 8, 2013 | 07:49 PM
  #25  
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Re: Swap help asap!!!!

Originally Posted by Pocket
Check out the LS1 swap sticky at the top of the forum. I wrote several articles going into great detail of how to build your harness starting with any LSx harness and how to tailor it to your 3rd gen specifically
I read it but im more of a visual type of person i need to see it being done to be able to do it
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Old Jul 8, 2013 | 09:35 PM
  #26  
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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 help asap!!!!

Pocket has basically put together a spoon-fed article to wiring these swaps. I understand being a visual learner, if you print off his threads to read through while you are sitting with the harness you are working with to look at, it helps a ton. Having the visual of your harness to go along with his pictures and, (in my opinion) very clear instructions cannot make it any easier. You won't find a video documented swap harness that you need, because there are no two exactly alike. It might be one of those situations where you are better off to pay the money to get a harness made if you aren't comfortable enough to attempt it after reading all the information thirdgen.org has to offer.

I have done searching on other forums for ls swaps in different vehicles, and nobody even comes close to having the in depth info we have here. We are truly spoiled with the mass of ls swap documentation specific to our cars at our disposal that most any other car community envies.

Might be one of those things that even though its not complicated, its just not for everybody. I.E.: Setting up rear differentials isn't complicated, but I have terrible luck doig them, and know I am better off to pay the 175 bucks plus parts to have it done.

Last edited by 25th327RS; Jul 8, 2013 at 09:54 PM.
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Old Jul 8, 2013 | 11:47 PM
  #27  
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Re: Swap help asap!!!!

Originally Posted by 25th327RS
Pocket has basically put together a spoon-fed article to wiring these swaps. I understand being a visual learner, if you print off his threads to read through while you are sitting with the harness you are working with to look at, it helps a ton. Having the visual of your harness to go along with his pictures and, (in my opinion) very clear instructions cannot make it any easier. You won't find a video documented swap harness that you need, because there are no two exactly alike. It might be one of those situations where you are better off to pay the money to get a harness made if you aren't comfortable enough to attempt it after reading all the information thirdgen.org has to offer.

I have done searching on other forums for ls swaps in different vehicles, and nobody even comes close to having the in depth info we have here. We are truly spoiled with the mass of ls swap documentation specific to our cars at our disposal that most any other car community envies.

Might be one of those things that even though its not complicated, its just not for everybody. I.E.: Setting up rear differentials isn't complicated, but I have terrible luck doig them, and know I am better off to pay the 175 bucks plus parts to have it done.
Yeah i get you let me give them one more good read and see if i can undrrstand it
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Old Jul 9, 2013 | 10:20 AM
  #28  
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: Swap help asap!!!!

One more Heck, I went back thru them at least 30 times!
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Old Jul 11, 2013 | 07:28 PM
  #29  
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Re: Swap help asap!!!!

Originally Posted by 25th327RS
If you have the swap mounts that bolt to the Kmember, you must have 98-02 Camaro or firebird clamshells that bolt to the engine block. There is no way around that, the truck mounts are completely useless to you in this situation. The poly inserts are optional to install into the 98-03 Fbody clamshells.
Are all 98-02 mounts the same? Can i just get any mounts off any camaro that year?
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Old Jul 14, 2013 | 04:34 PM
  #30  
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Re: Swap help asap!!!!

Alright so this is the stuff i have so far

• 4l60e tranny crossmember for stock toorque arm
• Hawks swap mounts
• 98-02 camaro motor mounts
• Poly tranny mount
• stock 5.3 harness
• And stock K-member is notched

Am i missing anything?
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