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6.0 LS swap questions



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Old 04-11-2012, 12:54 AM   #1
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6.0 LS swap questions

Instead of starting from a bare block and building a 383 to replace my wore out tbi 350, I have a 6.0 engine and was thinking about that swap. I would want to keep my TBI though. I have heard that by buying a carb intake, adding a MSD 6010 or similar electronic ign, and changing the prom/ computer program, I can have the ls running off of my current setup. I'm not looking for big power, so until then I don't think I'll have a fuel starvation issue. Has anyone done this or see any problems? ANY input is appreciated
truck will be getting a nv4500/203/205, just more info on future plans

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Old 04-11-2012, 04:23 PM   #2
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Carb intake?

So I've been doing some searching and looks like with a electronic ign box controlling the coils and a carb intake the motor will run just fine. I'm not an engine guy and haven't fooled with much on mine, but a stock 350 throttle body will fit on a basic 4 bolt carb platform right? Seems like a simple swap, anything I'm missing or not getting right?
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Old 04-11-2012, 05:13 PM   #3
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We were talking about this the other day. I think the best route to go is to use the factory efi or at least that's what would make the most power. If you're going to go to the trouble of changing it over to anything I would look into propane. This is what I was wanting to do anyway. Think you would loose some amount of power but it's already a power house. That's my two cents anyway.
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Old 04-11-2012, 06:17 PM   #4
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Thanx for the response. So if I use the factory efi, what would I need to change or add to make it run besides a wiring harness? Can my factory gauges still work or would I have to throw in some autometers?
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Old 04-11-2012, 08:16 PM   #5
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I haven't done enough reading to know what it take to make them work. You seem to have already done a fair bit of research so keep digging and I'm sure you will find the answer. Keep us posted as to what you find.
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Old 04-12-2012, 11:56 PM   #6
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Update

Alright, so I've looked around and seems like any ls engine can be swapped in easily. Biggest problem is the wiring harness, as it controls everything. If you have an auto trans, best route is to either us a factory trans that was mated to your particular engine, or find an adapter bellhousing and have some one reprogram the pcm for only running the engine. If you are running a manual trans, same thing: have the pcm reprogrammed to run just the engine and delete unnecessary systems such as egr, trans, electric fans if you dont have them, etc. If you are going carb ls, Easy way is to use an electronic ign module like MSD 6010. Plug it all in, prime your fuel, and start it up.

For my project, I want to put a 6.0 and nv4500 backed by a gm doubler. I found that from 2001-2007, a few trucks actually came with a late model nv4500 behind the 6.0. Anyone know where I can find such a drivetrain or even a whole truck to swap everything? The more factory parts I can use the better and cheaper for me, plus all I would have to buy would be a harness.

Also, as to all the factory gauges working, seems like a 91 Burb dash with electric speedo will work right into the system, just tell your programmer what you have. I'm assuming this will work with all electric speedo dashes.

If people are really interested, I'll post more as I learn, and when I start gathering parts and I'll post pictures and such.
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Old 05-09-2012, 09:53 AM   #7
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I'm working on a Toyota right now with a 6.0 nv4500 Dana 300. I retained the factory EFI and used aftermarket gauges. You really can't beat the dependability and power of the factory fuel system. If you need any help I've done a few of these LS swaps and could probably help you with most questions just PM me.
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