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.

03' 4.8/4L60E swap- k memeber ,cross member

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Old Aug 26, 2017 | 10:38 PM
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86iroc504's Avatar
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
03' 4.8/4L60E swap- k memeber ,cross member

Hey guys.

How did you guys/gals get your ls engine (4.8/5.3 in particular) to fit in your factory k member, cross member?

I was told that I could use the hooker crossmember , adapter plate, and engine mounts, but If i use the factory ls1 oil pan I would need to notch the factory k member

Has anyone ran into this?
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Old Aug 27, 2017 | 09:05 AM
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Re: 03' 4.8/4L60E swap- k memeber ,cross member

I see you're a member here also, that will help you for sure with your swap. Members Linson and BADNBLK have both used the Hooker mounts with the LS1 pan, so you may want to send them a PM to get an idea as to the difficulty of the K-member notching required to clear the pan.
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Old Aug 27, 2017 | 11:23 AM
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86iroc504's Avatar
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: 03' 4.8/4L60E swap- k memeber ,cross member

Originally Posted by toddoky
I see you're a member here also, that will help you for sure with your swap. Members Linson and BADNBLK have both used the Hooker mounts with the LS1 pan, so you may want to send them a PM to get an idea as to the difficulty of the K-member notching required to clear the pan.
Thanks for the info, I just pm them....
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Old Aug 28, 2017 | 07:07 PM
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From: Danville, IN
Car: 1991 Camaro Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: Strange 12 Bolt, 3.42
Re: 03' 4.8/4L60E swap- k memeber ,cross member

I used the hawks/spohn mounts and have attached a picture of my k-member notched for the oil pan and AC compressor. You don't have to notch it quite as deep as I did but it makes it a little easier to drop the engine in with extra clearance.
Attached Thumbnails 03' 4.8/4L60E swap- k memeber ,cross member-dsc06798.jpg  
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Old Aug 29, 2017 | 07:10 AM
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86iroc504's Avatar
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: 03' 4.8/4L60E swap- k memeber ,cross member

Originally Posted by jbenge
I used the hawks/spohn mounts and have attached a picture of my k-member notched for the oil pan and AC compressor. You don't have to notch it quite as deep as I did but it makes it a little easier to drop the engine in with extra clearance.
Ok, thanks for the pic as I am about to do the same install
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