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Old 12-08-2015, 05:17 PM   #1 (permalink)
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1976 scout ll LS 5.3 swap

pulling the old 345

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Old 12-08-2015, 05:26 PM   #2 (permalink)
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dropping in a 2013 5.3 with 4L60E....6,000 miles on it. using a 241c transfer case. I decided against the d300 because its quieter and smoother shifting. I also didnt want to spend $600 on an adapter with vss



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Old 12-09-2015, 10:28 AM   #3 (permalink)
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This is how you post a fucking thread.

I am ripping this shit out, and I am going to stab this shit in. Keep it up.
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Old 12-09-2015, 02:11 PM   #4 (permalink)
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Lots of 5.3 swaps in here lately.

I bet he gets his done and running before my 80 (and my motor is already in the truck!)
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Old 12-09-2015, 02:36 PM   #5 (permalink)
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Is it wrong to make the old engine carry the new one back to the shop?
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Old 12-09-2015, 07:26 PM   #6 (permalink)
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Is it wrong to make the old engine carry the new one back to the shop?
Not in my book! Ballpark on what the 2013 5.3 ran you?
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Old 12-09-2015, 10:22 PM   #7 (permalink)
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Are you keeping the AFM and VVT?
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Old 12-10-2015, 05:17 AM   #8 (permalink)
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Not in my book! Ballpark on what the 2013 5.3 ran you?
Got the complete pull out 2013 5.3, 4L60E, all harness, computers etc with 6,000 miles delivered for $3k
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Old 12-10-2015, 05:26 AM   #9 (permalink)
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Are you keeping the AFM and VVT?
Yes, only killing VATS and rear cats. Also eliminating fuel pump drive module and using mechanical corvette fpr which requires injector table tweeking.
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Old 12-10-2015, 08:14 AM   #10 (permalink)
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Got the complete pull out 2013 5.3, 4L60E, all harness, computers etc with 6,000 miles delivered for $3k
Wow. That's fantastic. Where'd you end up getting it from?
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Old 12-10-2015, 08:15 AM   #11 (permalink)
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Yes, only killing VATS and rear cats. Also eliminating fuel pump drive module and using mechanical corvette fpr which requires injector table tweeking.
KILL TORQUE MANAGEMENT!!!!!!!
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Old 12-10-2015, 08:32 AM   #12 (permalink)
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This is how you post a fucking thread.

I am ripping this shit out, and I am going to stab this shit in. Keep it up.
Right on.
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Old 12-10-2015, 10:44 AM   #13 (permalink)
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Wow. That's fantastic. Where'd you end up getting it from?
Schram auto in MI, Scott was great to deal with

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Old 12-10-2015, 12:23 PM   #14 (permalink)
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KILL TORQUE MANAGEMENT!!!!!!!
Not unless he beefs up the transmission first.
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Old 12-10-2015, 12:28 PM   #15 (permalink)
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Not unless he beefs up the transmission first.
Meh, not necessarily required. If he wants to all it takes is a couple more key strokes. Nothing mechanical is required, just shorten the shifting time and up the pressures. Download a copy of somebody's canned tune copy off of HPTuners' repository and flash it.
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Old 12-10-2015, 03:12 PM   #16 (permalink)
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Meh, not necessarily required. If he wants to all it takes is a couple more key strokes. Nothing mechanical is required, just shorten the shifting time and up the pressures. Download a copy of somebody's canned tune copy off of HPTuners' repository and flash it.
4L60E is far from bomb proof....gains are marginal and increase risk to tranny is marginal. Maybe I will go 50% and hedge my bets

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Old 12-10-2015, 05:40 PM   #17 (permalink)
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Meh, not necessarily required. If he wants to all it takes is a couple more key strokes. Nothing mechanical is required, just shorten the shifting time and up the pressures. Download a copy of somebody's canned tune copy off of HPTuners' repository and flash it.
I have a 5.3/4L60E in my scout. Aggressive tune with no torque management. The transmission has basic upgrades, beefy shell etc. It makes me a little nervous to really put my foot in it. It shifts hard enough to bark the tires with moderate throttle. It's lasted 40k miles so far but I think a stock transmission would really take a beating.
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Old 12-10-2015, 07:58 PM   #18 (permalink)
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Yes, only killing VATS and rear cats. Also eliminating fuel pump drive module and using mechanical corvette fpr which requires injector table tweeking.
And turning off EVAP I assume as well. The VVT really helps the torque curve on the 5.3L it moves peak torque down in rpm alittle.

What year is the 4l60 the later stock ones were beefed up internally as well the 09 up ones are different Valve body wise too.

So he should be ok unless he is going to beat on it hard.
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Last edited by Bo185; 12-10-2015 at 08:02 PM.
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Old 12-11-2015, 04:41 AM   #19 (permalink)
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tranny is a 2012
yes EVAP will be off
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Old 12-12-2015, 08:39 AM   #20 (permalink)
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What are you doing for engine mounts? Scoutco LLC has weld in mounts that index off the stock ones makes intall way easier as you don't have to mock up the motor.
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Last edited by Bo185; 12-12-2015 at 08:39 AM.
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Old 12-12-2015, 10:18 AM   #21 (permalink)
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Where are you at in Chicago? Those trees in the pics have been bare for a couple of months now.
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Old 12-12-2015, 10:23 AM   #22 (permalink)
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dropping in a 2013 5.3 with 4L60E....6,000 miles on it. using a 241c transfer case. I decided against the d300 because its quieter and smoother shifting. I also didnt want to spend $600 on an adapter with vss
Will this rig be wheeled a lot or is going to be a daily driver/fire road rig?

NP241 gearing will work OK for wheeling, great for DD.

Since will be making new driveshafts & mounts for the drivetrain, you should consider a NP241/NP205 doubler combo if you plan on wheeling a lot.

It will cost more now, but you will be miles ahead if you wheel it.
Plus if you feel just the 241 isn't low enough, you'd need new mounts & DSs again once you do the doubler.
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Last edited by MochaMike; 12-12-2015 at 10:24 AM.
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Old 12-13-2015, 09:21 AM   #23 (permalink)
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Where are you at in Chicago? Those trees in the pics have been bare for a couple of months now.
truck is in MI, picked up the motor in OCT
i live in river north area in chi...no garage here ...
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Old 12-13-2015, 09:22 AM   #24 (permalink)
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y wheeling is mostly just the sand dunes and two tracks, i think doubler would be overkill for my needs, but thx for the suggestions!
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Old 12-14-2015, 02:04 PM   #25 (permalink)
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Motor out.... Heavy mofo
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