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Thread: Fuel Economy

  1. #1
    slippy4 is offline Just Too Addicted Arm chair racerJust too addicted
    Join Date
    May 2003
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    556

    Fuel Economy

    In my classes we are getting a 6hp briggs motor. you get 150ml of gas and you have to make it run the longest. the only limitation to the contest is that you cannot alter the block, but anything else goes. what would you suggest on doing? anyone know the briggs motors? we have a 3.5hp motor apart and wondering if the cams are the same, it would be like a really really mild cam, could this work? any ideas? thanks
    85 Tri-z
    38mm Flatslide
    Boysen Power Reeds
    DG Pipe and Silencer
    Bored 1.25mm over
    Wiesco Pistion and Rings
    K&N Clamp on Filter
    Compleating Restoration

  2. #2
    Tri-Z Pilot's Avatar
    Tri-Z Pilot is offline Check my feedback before buying from me Got the holeshot
    Join Date
    Oct 2003
    Location
    Central PA
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    1,952
    I'd see if you could retard the timing, and try to get the lowest idle possible, less rpms, less gas.
    Current Rides-Soon to be 85 350X, 84 200X
    PastRides
    86 250SX 85 Tri-Z (yellow) 85 Tri-Z (silver) 86 200x 01 Blaster 99 Blaster 85 ATC250R 86 ATC250ES 84 Tri-Zinger 60 ATC500R Project
    Originally Posted by atctim
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  3. #3
    Join Date
    Jul 2004
    Location
    Mud hill. close to water !
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    3,658
    try and make it run way lean as possible, bad for the engine,, but depends on the goal !
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
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    The more people i meet.. the more i like my DOG !

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