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Best way to tune EFI Bike

Old 09-07-2008, 01:32 AM
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Default Best way to tune EFI Bike

Have a 98 GSXR 750 running a T-25 with internal wastegate 7psi not looking for crazy numbers. What is the best way to tune a efi bike. Ive heard power commander, fmu. Question is if I run an FMU wont it run rich before boost or does the vacuum run to the charge pipe and once boost is built it dumps more fuel. New to FMUs used to standalone units. I would prefer an FMU for the fact have buddy with a vortech for sale cheap. If I run Power commander do I need extra set of injectors on the intake.
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Old 09-07-2008, 01:34 AM
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Default Re: Best way to tune EFI Bike

If the commander has the capabilities to handle injectors that's the route I would go. Can you get a BTM for a bike?
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Old 09-07-2008, 01:58 AM
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Default Re: Best way to tune EFI Bike

all of the kits available use the an fmu. The commander has +/- 100% fuel but only thing is its 300 bucks also mean more injectors more money and extra wiring. On a budget like everyone else. Guess is what im asking is if its safe to do with FMU if have correct disc and can reach stable 12.5 afr in boost and close to stoic before.
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Old 09-10-2008, 12:35 PM
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Default Re: Best way to tune EFI Bike

timing is gonna be your issue
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Old 09-10-2008, 12:38 PM
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Default Re: Best way to tune EFI Bike

I'd install a standalone, it's too much hassle replacing blown engines.
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Old 09-11-2008, 06:28 PM
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Default Re: Best way to tune EFI Bike

power commander or maybe microsquirt? i dont think either are very expensive, used PC or the other
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Old 09-30-2008, 09:20 PM
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Default Re: Best way to tune EFI Bike

http://www.pe-ltd.com/

Expensive but i am looking into it for a Formula SAE school.
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Old 10-02-2008, 03:04 PM
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Default Re: Best way to tune EFI Bike

http://www.pe-ltd.com/ is used by FSAE team where I go too, seems straightforward and works pretty well, better than a TEC3 for a 14K rpm engine.

Microsquirt or plain MS will probably be cheaper, but you will need to find a trigger wheel or find a way to decode your OEM trigger.

Good luck

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Old 10-02-2008, 08:35 PM
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Default Re: Best way to tune EFI Bike

s-afc hack :P
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Old 10-15-2008, 01:02 AM
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Default Re: Best way to tune EFI Bike

power commander + ignition module.. i'm not running turbo but got 13.1cr pistons on a 04 R1 with a cometic headgasket at 15.2a/f WOT done via the commander.
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