what is the correct transmission?

Discussion in 'Engine & Performance' started by rogelioifmradio, May 19, 2017.

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  1. rogelioifmradio

    rogelioifmradio Member

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    Ram Year:
    1996
    Engine:
    magnun 5.9
    Hi guys, i want to put a 4 speed tranny on my 96 because it sucks to have only 3 and i get very bad gas mileage as well. i know that having a 5.9 under the hood isn't a gas saver but if had a 4 speed the truck will feel lighter and the rpms won't be as high always. Now, take in count my truck is not a mpfi , it has the older TBi system. what year should i be looking for in the junkyards to make a plug and play swap? do i need to change the differential also?
    thanks in advance for the info.
     
  2. Shadow_Death

    Shadow_Death Senior Member

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    Ram Year:
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    Engine:
    5.2L Magnum
    I'm just going to say that it is very weird that your 96 5.9 is a TBi because my 96 5.2L has MPFI.

    Also if I'm not mistaken the only automatic transmission for our trucks is the 46RE. I don't know much about the manuals if that's what you have. I do also find it strange that yours is only a 3 speed. Just looked it up. 46RH and 46RE are both 4 speed autos. The only 3 speed autos I found was last used in a 1991 Jeep.
     
  3. rogelioifmradio

    rogelioifmradio Member

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    I have checked the invoice from the dealer cause i thought maybe the P.O. changed the motor, but no. invoice says 5.9 tbi, 3 speed auto.
    as far as i know, mpfi was not available till late 1996 en Mexico, i don't know why, if it is made in Mexico. now the dealership can't find any records of my truck with my VIN, the computer says it doesn't exist. so it is a PITA every time i go to the parts store cause their computers don't show it either. i guess i have to ask for 1991 parts, but in that year dodge ram didn't use the 1500, 2500, 3500 series
    anyway, i am lost in Mexico with my truck that was made in Mexico...pff
    so if was to change the tranny for the 4 speed auto, the 46RH will fit directly?
     
  4. dudeman2009

    dudeman2009 Senior Member

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    Ram Year:
    2001 1500 Sport with enough electrical modifications to make my brain hurt
    Engine:
    Magnum 360
    The bellhousing the is same, you can get any Dodge 46RH transmission for the V6 or V8 engines.

    Whats strange is the TBI, I've never heard of TBI on the gen II trucks, I've never heard of any 3spd on them either. I have the service manuals for every truck from 95 to 01, and all of them list MPFI. Something is very strange with what you have going on, Dapepper would be able to shine some more light on it.

    I would suspect that someone put some strange components in your truck, it wouldn't surprise me to learn that you have an LA engine in there instead of a Magnum. What is your VIN number?
     
  5. rogelioifmradio

    rogelioifmradio Member

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    here it is!
     

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  6. dudeman2009

    dudeman2009 Senior Member

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    I've pulled up various VIN breakdown sheets, your truck doesn't make any sense. The 8th digit is a 7, that corresponds to the 5.9L 24V high output turbo diesel, but that engine was only put on the 2001 model year.

    You'll have to get the Vin from another location on the vehicle. Pop the hood and when looking at it from the front, on the left side of the radiator facing front on the vertical radiator support there is a blacked out vin tag. It has a large group of 3 alphanumeric codes, but there is a VIN on there.
     

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  7. rogelioifmradio

    rogelioifmradio Member

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    its the same vin that has the metal tag as well, i will try to locate the one you say as soon as i get home, thanks
     
  8. rogelioifmradio

    rogelioifmradio Member

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    Here is what i found
     

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  9. dudeman2009

    dudeman2009 Senior Member

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    So thats legitimately the VIN. If you can poke around and find the VIN on the engine that will end all suspicion that someone swapped an engine in.

    I'm surprised to see that engine code in there though, it just doesn't fit, unless they changed what it meant at some point after the manufacture of this truck and 2000.
     
  10. regularcab2500

    regularcab2500 Senior Member

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    Ram Year:
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    Engine:
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    So you have a tbi carb on your engine? Can you take a pic of your trans pan? It sounds like someone took a 5.9la and 727 a swapped it in at some point. If you take a pic of the trans pan and top of the motor we could help at least identify.

    Sent from my SM-G930V using Tapatalk
     
    Last edited: May 21, 2017

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