Corolla to Prius gas tank swap

Discussion in 'Gen 2 Prius Technical Discussion' started by Rivieraman71, Mar 3, 2019.

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  1. Rivieraman71

    Rivieraman71 Active Member

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    Good point! I left all the O2 sensors connected the only part of the exhaust that was disconnected was the muffler and hangers
     
    #221 Rivieraman71, Oct 27, 2019
  2. TMR-JWAP

    TMR-JWAP Senior Member

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    Anyone know if the Gen 2 Prii sold in Puerto Rico have the bladder?
     
    #222 TMR-JWAP, Oct 28, 2019
  3. Rivieraman71

    Rivieraman71 Active Member

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    So since the car has been back together I’ve probably put a few tankfuls in and I’m only getting 150 miles till it’s on empty. Recalibrated the gas gauge probably 5 times since the tank has been back in. Still only getting 150 miles till empty but I drove another 150 miles past that and it took 6 gallons. So pretty much when the gauge says empty I still have over half a tank. Im pretty sure it’s the meter inside the tank that’s bad. When I had the tank dropped and all the emissions off of it I could see inside the tank through the former hole for the charcoal canister and the bladder wasn’t collapsed. I’m debating on just getting a new tank.
     
    #223 Rivieraman71, Nov 3, 2019
  4. audiodave

    audiodave Active Member

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    Ever run Lucas or Marvel oil through the tank several times? My tank gauge is not that far off but it helped with the gauge. Least i get 375-400. It was down to 325 before I started using it. Took like 5 tanks. I just use either with every fill up, seems to give me better milage anyhow.
    Posted via the PriusChat mobile app.
     
    #224 audiodave, Nov 6, 2019
  5. Rivieraman71

    Rivieraman71 Active Member

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    Good point Dave. It might be the contact points on the fuel meter in the tank. I’ll try and get some marvel mystery tomorrow. I’ve used it before on other vehicles and I’ve definitely noticed a difference. I’ve used it to cleaning chrome too.
     
    #225 Rivieraman71, Nov 7, 2019
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  6. audiodave

    audiodave Active Member

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    Did you try it?
    Posted via the PriusChat mobile app.
     
    #226 audiodave, Nov 28, 2019
  7. Rivieraman71

    Rivieraman71 Active Member

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    I tried it for a few tanks and no change. Found out that the temperature has to be between 70-90 degrees and the tank between 1/4 and 3/4 full when calibrating the gas gauge. Gonna be a few months till the temps get to that around here. The gauge has been hitting empty at around 150-200 miles and I’ve been filling up at 300. I’ll just have to live with it for now.
     
    #227 Rivieraman71, Nov 28, 2019
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  8. audiodave

    audiodave Active Member

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    Or a warm garage.
    Posted via the PriusChat mobile app.
     
    #228 audiodave, Nov 29, 2019
  9. Rivieraman71

    Rivieraman71 Active Member

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    I wish that was an option. Don’t have one and I moved here 2 months ago so I don’t know anyone with a climate controlled garage.
     
    #229 Rivieraman71, Nov 29, 2019
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  10. NortTexSalv04Prius

    NortTexSalv04Prius Active Member

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    #230 NortTexSalv04Prius, Dec 20, 2019
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  11. Rivieraman71

    Rivieraman71 Active Member

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    Thanks, that looks like the European tank. I think the sensors and modules I from the corolla even though they had the same connectors I think they were calibrated differently than the Prius. After I swapped everything and started the car it seems like it went into a limp mode. I think the problem with getting the swap to work is the computer isn’t reading the sensors or module.

    The project has been scrapped for now. If I do try it again I’ll do it on a 3rd gen Prius if I buy one in the future just for a longer range fuel tank.
     
    #231 Rivieraman71, Dec 21, 2019
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  12. NortTexSalv04Prius

    NortTexSalv04Prius Active Member

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    FYI
    Hope this helps somebody
    thanks op and thanks Youtube
     
    #232 NortTexSalv04Prius, Dec 20, 2020
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  13. Darksyde

    Darksyde New Member

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    Doesn't the Gen3 have a standard tank and not a bladder tank?
     
    #233 Darksyde, Oct 21, 2021
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  14. SFO

    SFO Senior Member

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    Welcome to PriusChat!!
    Yes, this is correct.

    FYI : you're being moderated until you've posted 5 times.
     
    #234 SFO, Oct 22, 2021
  15. Dddustin

    Dddustin Junior Member

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    ATL fuel cell Wc108

    Seems like this could be a reasonable option? Feed it into the filler neck like they do on diesel trucks, or possibly Y into the factory fuel line with a one way check valve on each line going to either tank?

    Anyone have the specs on the spare tire Chamber?
     
    #235 Dddustin, Apr 24, 2022
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  16. mr_guy_mann

    mr_guy_mann Senior Member

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    I'm pretty sure that 99+% of car drivers wouldn't want a jerry rigged gasoline tank inside the passenger compartment. (I'm having flashbacks of Ford Pintos).

    Posted via the PriusChat mobile app.
     
    #236 mr_guy_mann, Apr 25, 2022
  17. WesleyRiccipio

    WesleyRiccipio Junior Member

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    Probably not. But you can find professionals to custom cut and make it safe for at least yourself to enjoy and share with others.

    I was thinking that the most effective place to have a street legal Prius-sized auxiliary gas tank would be in the turbulent area right in front of the back license plate. A half gallon milk carton is around 3.8". Picture something that size but 6 of them lined up in front of the license plate. Then we would have to make it safe, look decent and aerodynamic with some outer frame.

    For me, figuring out how to 1 ) take apart the back truck door 2) where to confidently secure the aux tank, and 3) how to transfer the important stuff like the license plate from the door to back of aux tank is the hard part.
     
    #237 WesleyRiccipio, Aug 22, 2022
  18. Another

    Another Senior Member

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    Gasoline is one of the most dangerous consumer products ever sold. What makes it appear safe to most people is the decades of refinement of the transport, distribution and storage technologies. An easy way to reverse this trend is to rig up containers of gasoline and carry them on your car.
     
    #238 Another, Aug 22, 2022
  19. mr_guy_mann

    mr_guy_mann Senior Member

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    As stated by another, what happens to this fuel tank in the event of a "fender bender" rear end collision?

    How would you "make it safe" if it's part of the rear impact crumple zone?

    Posted via the PriusChat mobile app.
     
    #239 mr_guy_mann, Aug 23, 2022
  20. TMR-JWAP

    TMR-JWAP Senior Member

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    Safest place to be would be another car, about a eighth mile or more ahead.
     
    #240 TMR-JWAP, Aug 23, 2022
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