Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Jan 20, 2010 | 09:46 PM
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Started out as a Buick Apollo. Its getting a 74 GTO front end with a few custom body touches. Already have the 02 camaro ss brakes all around. Just picked up a 4.8 ls motor for know. Not yet sure which trans I am going to go with, either a 4l60e or a 2004r.
Attached Thumbnails project x-apolloprogress.jpg   project x-apollols1.jpg   project x-apollofw.jpg   project x-gto.jpg  
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Old Feb 1, 2010 | 08:18 PM
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The plan is slowly coming together. Got the oil pan modified, picked up a ls1 intake,got fuel rails and cam on the way.

The plan so far: 4.8l with an 04 gto cam,ls1 intake, aftermarket fuel rails, and a truck throttlebody. 17"Wheels and front and rear seats from an 04-06 gto. Any thoughts?

Will probably run a 4l60e because I can't afford a t56. Will any 98 and later 2wd 4l60e be ok or is there something specific to look for?

Have not been able to decided between aftermarket ecu or factory, opinions?( have experience with F.A.S.T and Bigstuff3)

If I go with a stock computer can I just get a camaro harness and computer to modify for this setup?(has 24x signal)

Can I use one of my GN alternators with the ls1 or will that cause issues?

Will probably have more questions I can't find answers to in the archives as the project progresses
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Old Feb 2, 2010 | 01:59 PM
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No one has any answers?
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Old Feb 2, 2010 | 03:23 PM
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Originally Posted by shadow images
The plan is slowly coming together. Got the oil pan modified, picked up a ls1 intake,got fuel rails and cam on the way.

The plan so far: 4.8l with an 04 gto cam,ls1 intake, aftermarket fuel rails, and a truck throttlebody. 17"Wheels and front and rear seats from an 04-06 gto. Any thoughts?

Will probably run a 4l60e because I can't afford a t56. Will any 98 and later 2wd 4l60e be ok or is there something specific to look for?

Have not been able to decided between aftermarket ecu or factory, opinions?( have experience with F.A.S.T and Bigstuff3)

Can I use one of my GN alternators with the ls1 or will that cause issues?

Will probably have more questions I can't find answers to in the archives as the project progresses
Any 98+ 2wd 4l60e will be fine. I dont quite understand this? (If I go with a stock computer can I just get a camaro harness and computer to modify for this setup?(has 24x signal)
It seems like your referring to 2 different computers. The easiest way would be to find a 99+ harness and computer, as they are easy to repin, whereas the 98' f-body harness and computer are not so forgiving.

And I'm unsure about the alt, but I do believe I have read somewhere about different brackets and alt's being used for this swap.
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Old Feb 2, 2010 | 03:38 PM
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As long as the alternator will not cause electrical problems I will make my own brackets.
I just wanted to make sure that using the parts I have for the motor setup won't be an issue if buy a harness from a 2000 -2002 camaro. Thanks for the reply.
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Old Feb 2, 2010 | 08:52 PM
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You're gonna have to change the injector connectors on the ls1 harness to the truck style connectors also.
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Old Feb 3, 2010 | 06:41 PM
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Default oil pan

Originally Posted by shadow images
The plan is slowly coming together. Got the oil pan modified, picked up a ls1 intake,got fuel rails and cam on the way.

The plan so far: 4.8l with an 04 gto cam,ls1 intake, aftermarket fuel rails, and a truck throttlebody. 17"Wheels and front and rear seats from an 04-06 gto. Any thoughts?

Will probably run a 4l60e because I can't afford a t56. Will any 98 and later 2wd 4l60e be ok or is there something specific to look for?

Have not been able to decided between aftermarket ecu or factory, opinions?( have experience with F.A.S.T and Bigstuff3)

If I go with a stock computer can I just get a camaro harness and computer to modify for this setup?(has 24x signal)

Can I use one of my GN alternators with the ls1 or will that cause issues?

Will probably have more questions I can't find answers to in the archives as the project progresses
Who modded the oil pan? Damn nice job
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Old Feb 3, 2010 | 10:33 PM
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I did the cutting and mock up, and a friend did the welding(his is better than me at welding aluminum)
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Old Feb 11, 2010 | 10:58 PM
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More progress. Got the fuel lines in, mocked up the radiator, did a front sheet metal test fit, and picked up a t56.

Could someone please tell me if the 4.8l crank will accept a stock LS1 camaro flywheel/clutch setup?( pics of rear crank below)
Attached Thumbnails project x-4.8lr.jpg   project x-x2.jpg   project x-x3.jpg   project x-t56.jpg  
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Old Feb 12, 2010 | 02:21 AM
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Originally Posted by shadow images
More progress. Got the fuel lines in, mocked up the radiator, did a front sheet metal test fit, and picked up a t56.

Could someone please tell me if the 4.8l crank will accept a stock LS1 camaro flywheel/clutch setup?( pics of rear crank below)
I guess you changed your mind / budget on the T56?

Yes, the crank flange is the same.

You could use any factory PCM and harness compatible with a 24x crank signal. F.A.S.T is very expensive and unnecessary if you aren't doing crazy mods.

MeanYellowZ always uses different (non LS) alternators without issue.
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Old Feb 12, 2010 | 08:51 AM
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Originally Posted by gofastwclass
I guess you changed your mind / budget on the T56?
Sold my race car so I Have a little more money to play with than first budgeted
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Old Feb 13, 2010 | 11:25 AM
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How'd you get the 17" GTO wheels to bolt to an a body bolt pattern?
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Old Feb 13, 2010 | 11:50 AM
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How'd you get the 17" GTO wheels to bolt to an a body bolt pattern?
I actually think the GTO wheel looks right at home. Looks like a good match.
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Old Feb 13, 2010 | 11:19 PM
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Originally Posted by bonecrrusher
How'd you get the 17" GTO wheels to bolt to an a body bolt pattern?
The bolt pattern is close enough.
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Old Apr 17, 2010 | 12:21 AM
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More progress. Got the gto seat mounts done and alot of the body work done.
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