Thread: MAD EFI

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  1. 04-28-2010, 03:51 AM #1
    bass bullet
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    MAD EFI

    Hi guys, I am looking at buying a MAD EFI to bolt on my 250XB. My question is this what can I expect to see in gains.

    My current set up is 21XD 250XB 300pm heads and ECU, hydrotech tuner, poppet valve, light flywheel, getting heads cut to 61ccc, cowl mod. Run a TM case 1:75 gears, .5" below pad, 85.5 mph @ 6400 rpm turning an A45 tempest.

    All your input is appreciated.
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  2. tmbullet
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    #2 04-28-2010, 04:38 AM

    Re: MAD EFI (bass bullet)

    Best person to as is Eric at Simonsmotorsports.com he can answer any of your questions on Merc's......
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  3. SUSHII
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    #3 04-28-2010, 09:37 AM

    Re: MAD EFI (bass bullet)

    SUSHII
    21XRS/SHO
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