1397 Plus Spray...

Discussion in 'Nitrous' started by ogre, Aug 5, 2017.


  1. ogre

    ogre Call me Liberace! Registered

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    Looking for anyone who's done a 1397 and spray. Carpenter head, bigger cams, race cut box, full system, big air box mod, how much can I spray? 40 hit is fine on a stock motor, but can I go to a 75 shot? Gen 1, what kind of nitrous control is built into the ECUeditor software?
     
  2. RansomT

    RansomT Registered

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    Done a plenty of 1441s. Your first hurtle is the fuel system: you are restricted to around 225 HP (on spray) with the stock fuel pump and injectors. If the 1397 is built for "stout" HP and you have stock rods, then a 75 HP shot is pushing it on spray. Spray has more of a shock to the rods than a turbo, so I personally don't like pushing a nitrous bike past 275-280 HP. ECUeditor for a Gen 1 has basically a RPM window switch for nitrous, no progression. You can add a nitrous controller and allow ECUeditor to act as the throttle switch. What fuel are you going to be using?
     
  3. busakiller

    busakiller Registered

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    On my bike with the stock motor I ran a 60 shot on stock fuel system with a nos mini controller. It let's you adjust when it turns on and off. Also let you adjust the hit. So it can come on at 50 % and ramp up. I have a 1397 and plan to spray it. But going to upgrade the fuel system first. I will be using the nos mini to do all the control work of it.
     
  4. 202mphbusa

    202mphbusa Registered

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    ran a 1397 with a 60 shot for a few years
    motor had a Stetson head, .401/.378 cam cambo
    simple two dial progressive controller
    Used either a PCII or PCIII or ecu editor. Ecu Editor with and without map switch function
    of couse my fuel system was replaced a while somewhere in that time span. used a accel 74701 fuel pump. But mine is a 02 which started off with a external pump (which died)
     
  5. ogre

    ogre Call me Liberace! Registered

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    yea, stock rods and fuel system, so maybe a walbro in tank pump and some S2000 injectors, possibly the mini controller to ramp the nitrous, a gixerhp spray bar, all set at a 60 shot?
     
  6. busakiller

    busakiller Registered

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    Do it. I would think you would be close to maxing the injectors out. We had a 1397 with s2000 injectors e85 and spray. Ran out of fuel on spray. Made 230 240 on spray. I plan on spraying my drag bike with at less a 60 shot. But going to run 650 cc injectors to give me enough fuel to spray the house down.
     
  7. ogre

    ogre Call me Liberace! Registered

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    probably would've been fine on pump gas, gotta use a lot of ethanol...
     
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