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#1 |
Registered User
![]() Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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2001 Chevy van 3500 drivetrain swap.
Just bought a 2001 Chevy van 3500 with a 5.7 auto from our church. Very well taken care of. Want to put complete drivetrain in my 1972 C-20. Motor trans driveshaft and rear differential. Do I use standard small block motor mounts? I have a 402 Big Block in it now.
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#2 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,948
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Re: 2001 Chevy van 3500 drivetrain swap.
You may be able to use the same mounts you already have, the BBC trucks got the newer style captive clamshell mounts in 72.
The cups (or whatever people call them) that bolt to the block are available in a couple of heights. You may have to play around with those to get it to sit right. The 73+ trucks all the way into the Vortec era use that style. Cars also; gas, diesel, v6. Lots of options at the junkyard.
__________________
ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#3 |
Registered User
![]() Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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Re: 2001 Chevy van 3500 drivetrain swap.
Cool I was hoping it would be less work than a LS swap.
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#4 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,948
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Re: 2001 Chevy van 3500 drivetrain swap.
Are you going to keep it EFI or swap to carb? The trans uses the PCM computer to shift, so factor/budget how you can accomplish that if you don’t run the factory PCM
__________________
ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#5 |
Registered User
Join Date: Jun 2007
Location: metropolis il
Posts: 91
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Re: 2001 Chevy van 3500 drivetrain swap.
If you're keeping efi, you're really just saving the $30 for the mount plate adapters, the rest is going to be pretty much the same work for either combo (ls/vortec 350). As said above if going carb, you'll need a $5-600 trans controller. You could get you an efi fuel system, the wiring done and pcm programmed for pretty close to that to stay efi with the vortec 350
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#6 |
Registered User
![]() Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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Re: 2001 Chevy van 3500 drivetrain swap.
I am definitely going to keep the fuel injection.
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#7 |
Registered User
Join Date: Aug 2013
Location: Fort Worth, TX
Posts: 309
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Re: 2001 Chevy van 3500 drivetrain swap.
I started down the same path with a setup for a 2001 2500 and changed to a carb. I found the wiring harness for the vans of that generation are a mixed mash of two generations of engines. The computer was the same as an LS, the injection and sensors were from the single port injection, but the wiring colors matched neither. None of the wiring harnesses diagrams on line matched. In the end, I used the TH400 and carbed the 5.7.
I look forward to your results.
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