Tuneup differences between Fat and Fuel heads

Discussion in 'Manton Push Rods Top Alcohol Tech Questions' started by greenracing, Apr 9, 2019.

  1. greenracing

    greenracing Member

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    Has anyone moved between Fuel heads and Fat heads on a blown alcohol setup and has a ballpark difference for timing and fuel? I've got a safe starting point for a Fat head setup and am putting together a Fuel headed motor with the 176cc camber heads. I'm assuming I can use more timing on the Fuel heads - I'm thinking around 30 would be safe, maybe 32 max? Will the Fuel heads use less fuel, or does the big chamber and more timing require similar fuel?

    Thanks!
     
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  2. KENNETH JORDAN

    KENNETH JORDAN New Member

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  3. bruce mullins

    bruce mullins Top Dragster

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    keep your timing under 28.
     
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  4. greenracing

    greenracing Member

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