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| Diesel Conversions Powerplant swaps, Repowers, etc. |
07-14-2020, 03:38 PM
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#1
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Name: lews930
Title: NOT A DIESEL PRO
Status: Not Here
Join Date: Sep 2008
Location: dade city,florida
Member`s Gallery
Posts: 751
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2012 5.7 gasser to 12v
Found a nice condition 2012 2500 4x4.
Gas motor is toast.
Ive got a 12v motor and nv4500 sitting on my garage.
Not too worried about making the motor and tranny fit
Its making the dash and the a/c work
Anyone have experience making the dash work? Water temp and oil pressure most importantly.
I searched a bit but didnt find anything about thos swap
Thank you in advance
__________________
Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power
NOT a diesel pro but learning
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07-15-2020, 07:09 AM
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#2
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Name: zachu812
Title: Too Much Time
Status: Not Here
Join Date: Apr 2016
Member`s Gallery
Posts: 419
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If I was going to tackle a swap like that I'd leave all the 5.7 electronics in there and get a tone wheel that matches the 5.7 so you can send a crank signal to the ECM. For water temp and oil pressure your best bet would be to use the sensors off the 5.7.
__________________
1995 RCLB 4x4: H-pump, 5x.012s, HX35
2001 RCLB 4x4: H-pump, 6x.013s, S472/S488
EdzGarage, Matt's Diesel Supply, HTS Transmissions
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07-15-2020, 08:40 AM
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#3
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Name: lews930
Title: NOT A DIESEL PRO
Status: Not Here
Join Date: Sep 2008
Location: dade city,florida
Member`s Gallery
Posts: 751
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Yes. I had planned to do that. Not sure if dash will even operate without the factory engine in place "talking" to the computer
__________________
Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power
NOT a diesel pro but learning
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07-16-2020, 08:39 AM
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#4
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Name: zachu812
Title: Too Much Time
Status: Not Here
Join Date: Apr 2016
Member`s Gallery
Posts: 419
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The crank sensor, and maybe a cam sensor should be all the computer needs to see in order to think there's a factory engine in there.
__________________
1995 RCLB 4x4: H-pump, 5x.012s, HX35
2001 RCLB 4x4: H-pump, 6x.013s, S472/S488
EdzGarage, Matt's Diesel Supply, HTS Transmissions
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07-16-2020, 02:48 PM
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#5
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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You'll probably need some way to tune out diagnostics for error codes like the throttle body, fuel rail pressure sensor, etc...
__________________
Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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07-16-2020, 03:43 PM
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#6
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Name: zstroken
Title: For $$$ your name here
Status: Not Here
Join Date: Sep 2006
Location: Western Michigan(by the lake)
Member`s Gallery
Posts: 23,151
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Quote:
Originally Posted by CorneliusRox
You'll probably need some way to tune out diagnostics for error codes like the throttle body, fuel rail pressure sensor, etc...
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And misfire codes 
__________________
2008 4x4 Megacab, 68RFE
97 Dodge gone....
24V P-Pump Mafia member #1(retired)
Thanks to Mumau Diesel, Goerend Transmission, Northeast Diesel Service!
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07-16-2020, 09:09 PM
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#7
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Name: lews930
Title: NOT A DIESEL PRO
Status: Not Here
Join Date: Sep 2008
Location: dade city,florida
Member`s Gallery
Posts: 751
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Spoke with jeff garmon this morning. He has done this exact same swap!
He said the dash will work but he had to have a/c shop bypass the computer so the ac would work
Also said he could never get the tach to work just went with 1st gen style
As for codes he removed the diode for the check engine light.
All in all sounds fairly straight forward
__________________
Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power
NOT a diesel pro but learning
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07-16-2020, 09:10 PM
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#8
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Name: lews930
Title: NOT A DIESEL PRO
Status: Not Here
Join Date: Sep 2008
Location: dade city,florida
Member`s Gallery
Posts: 751
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Btw error codes would be the least of my worries lol
__________________
Dodge 3500 12v, 6 speed (R.I.P.)
2003 john deere 5105
2005 john deere 6420
2012 john deere 6430
2007 kubotoa rtv
1991 Toyota pickup with VW TDI power
NOT a diesel pro but learning
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