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Thread: C20XE megajolt map

  1. #1
    Pit Crew Decade Plus User onecamohv's Avatar

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    C20XE megajolt map

    Hi guys,

    I just said id post this up and see what you guys think, and if any changes perhaps could or should be made.
    To me it looks relatively safe, especially at higher rpm’s, and the RR operator stated the engine its running extremely well and strong, it made 157bhp at about 80% throttle due to a throttle stop breakage on the way to the rolling road I couldn’t fix on site.
    So I’m very happy with the engine, it goes really well.
    What do you guys think of the map?

    Engine spec is as follows

    Early c20xe completely rebuild to mostly oem spec and blueprinted
    OEM mahle forged pistons
    Coscast head, very mild porting ie port matching and casting deburr, tapered valve stems
    Mahle rings
    Rods deburred balanced and mildly polished
    SBD oil pump
    40mm bike carbs
    Megajolt w/TPS
    4-2-1 manifold
    Std cams and timing
    ARP’s
    King race bearings
    Balanced crank


  2. #2
    Pit Crew Decade Plus User onecamohv's Avatar

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    Re: C20XE megajolt map

    anyone any opinions good bad indifferent?

  3. #3
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    Re: C20XE megajolt map

    Looks good to me, would be good to see your AFR readings too, you might get away with slightly less advance at 1000rpm but if its working well....leave it alone.

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