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  1. #331
    Senior Member Ke26 Wagon's Avatar
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    It has made 510rwhp with a twin 2.5' exhaust on JEM dyno, sent to summernats and it made 450rwhp

    Since then I have played with the tune, changed the exhaust and it made 608rwhp. Just changing the exhaust the went from 13psi to 19psi, so there was a big restriction

    All the cars that I have been involved with have all made less power at summernats then at sydney

    132mph in a 3600 pound car gives me about 640hp

  2. #332
    Senior Member
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    Elevation is a cruel bitch that tells harsh truths.

    Not many make more power in Canberra than they do at home.

  3. #333
    Not the Kingswood! hq308's Avatar
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    Quote Originally Posted by Ke26 Wagon View Post
    It has made 510rwhp with a twin 2.5' exhaust on JEM dyno, sent to summernats and it made 450rwhp

    Since then I have played with the tune, changed the exhaust and it made 608rwhp. Just changing the exhaust the went from 13psi to 19psi, so there was a big restriction

    All the cars that I have been involved with have all made less power at summernats then at sydney

    132mph in a 3600 pound car gives me about 640hp
    You learn something new everyday, I was always under the impression the Summernate dyno was a happy dyno. Maybe that was the days before MPW was doing it?

  4. #334
    Do you ever leave? paulzig's Avatar
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    Trust the mph and an engine dyno... The 2 numbers should be close, If not then maybe there is an issue in car with traction, fuelling, suspension etc..

    Chassis dyno for tuning only...

  5. #335
    Newbie krisr's Avatar
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    Yep, weight + mph never lie and neither does an engine dyno.

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