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  1.  
    #51
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    gstuning's Car Details
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    Excellent information

    And your comment about the sub 3500rpm detonation validates my assumptions I had.
    Simply to much cylinder pressure for the given fuel and cylinder temps.

    And I agree with your reasoning for running cooler exhaust temps by lowering the intake cam advance and higher advance due to lower dynamic compression.
    Also great info on the use of a stock gasket and oem bolts with that fuel and powerlevel.

    Am i right in trying to calculate about 315-350lbs rear wheel torque and your never going above that? Do you have any charts to show the torque?
     
     

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    #52
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    BMEP's Car Details
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    Yes, you hit the nail on the head in that I do limit the output based on torque vs rpm. I don't think its a good idea for me to specify a rear wheel torque figure as that can vary based on final drive (Diff) ratio, rear wheel diameter, the gear that the power run is performed in etc.
     
     

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    #53
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    I was mostly interested in the curve itself.
     
     

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    #54
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    Boostist's Car Details
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    At the end of the day, another way to combat detonation if people dont want to run race gas (impractical in the robbing old uk) is water injection

    Weak points on the S50 B30 and B32 engine is pistons. Max I have heard of running safely with stock pistons is 550rwhp with a VERY good tune

    Conrods are next.

    The rest of the engine is totally solid

    Great work to the OP

    This is a great thread. Keep it coming
     
     

  6.  
    #55
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    Amos's Car Details
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    My mate Bruce (who is making me help him decorate his newborns bedroom tomorrow) owns a Water Injection supplying company and supplies a whole variation of stuff.

    Have a peek: http://www.methanol-injection.co.uk/index.php
     
     

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