Dyno day 1
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Dyno day 1

  1. #1
    Senior Member TexasJet's Avatar
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    Default Dyno day 1

    We got a late start, so we only made 4 or 5 pulls.

    To get a base line we started with 27 deg timing. Carb jets 93 square. Pulleys, one to one = 5 lbs of boost. 4500 rpm max.

    Last pull was 27 deg. 93 square, 8 lbs of boost. Dyno locked at 5500 rpm max.

    Results as follows: 927 HP. Running rich.

    Monday: More timing, probably up to 30 deg. smaller jets. 12 lbs boost and let the rpms run.

    I want to hold the rpms to around 6500 but Joe says this engine will make more power way past that rpm.
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  3. #2
    Senior Member jimclauss's Avatar
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    Quote Originally Posted by TexasJet View Post
    We got a late start, so we only made 4 or 5 pulls.

    To get a base line we started with 27 deg timing. Carb jets 93 square. Pulleys, one to one = 5 lbs of boost. 4500 rpm max.

    Last pull was 27 deg. 93 square, 8 lbs of boost. Dyno locked at 5500 rpm max.

    Results as follows: 927 HP. Running rich.

    Monday: More timing, probably up to 30 deg. smaller jets. 12 lbs boost and let the rpms run.

    I want to hold the rpms to around 6500 but Joe says this engine will make more power way past that rpm.
    How big is the engine?

  4. #3
    Senior Member TexasJet's Avatar
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    540 ci and it has one of those famous Straub cams.

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    This on Owens Dyno?
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  7. #5
    Senior Member TexasJet's Avatar
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    Yes. He says he knows you from "back in the day", like years ago.

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    Quote Originally Posted by TexasJet View Post
    Yes. He says he knows you from "back in the day", like years ago.
    Yes back in the 90's we did business. I apparently have had 6 or 7 on his dyno over the last 2 years. A 434 SBC that he dyno'd a few months back apparently really caught his attention. I look forward to working with him again.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  9. #7
    Senior Member TexasJet's Avatar
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    We will know today what the final numbers are. It's gonna be a loooong day.

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    Do I here a 1000HP yet?
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  11. #9
    Senior Member TexasJet's Avatar
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    Better be more than that! No word yet. Argh!!!!!!!!!!!!!

  12. #10
    steelcomp was here
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    Pump gas or?
    How bout some details.
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

  13. #11
    Senior Member Skydog's Avatar
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    Thumbs up

    Good luck! Yea pump gas 93?

  14. #12
    Senior Member TexasJet's Avatar
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    108 fuel. 540 CI, Dart block, Dart 345 complete CNC aluminum heads. Stainless inlet and inconel exhaust. Dragonslayer blower crank. Coated pistons. 2 1050 dominators. 1071 Littlefield blower, just rebuilt. Intercooler. Straub "top secret" cam.

    Dyno today, I guess. Looking for 1100+ HP at around 6500 rpm with 12lbs boost and 28 or 29 degrees total timing. Headers are Basset big tube blower headers with slip in high po mufflers.

    It's going in a 19' California Performance jet. Will need a new impeller, probably A or AA hi-helix race prepped. Pump blueprinted by Mike at Central Texas Jet. Mike's a young guy with a lot of pump knowledge that has just started his own shop. He has done work on by boats before and I've been very pleased with the work.

    Hoping to see 120 MPH.

    Anything else I missed? TJ

  15. #13
    steelcomp was here
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    Quote Originally Posted by TexasJet View Post
    108 fuel. 540 CI, Dart block, Dart 345 complete CNC aluminum heads. Stainless inlet and inconel exhaust. Dragonslayer blower crank. Coated pistons. 2 1050 dominators. 1071 Littlefield blower, just rebuilt. Intercooler. Straub "top secret" cam.

    Dyno today, I guess. Looking for 1100+ HP at around 6500 rpm with 12lbs boost and 28 or 29 degrees total timing. Headers are Basset big tube blower headers with slip in high po mufflers.

    It's going in a 19' California Performance jet. Will need a new impeller, probably A or AA hi-helix race prepped. Pump blueprinted by Mike at Central Texas Jet. Mike's a young guy with a lot of pump knowledge that has just started his own shop. He has done work on by boats before and I've been very pleased with the work.

    Hoping to see 120 MPH.

    Anything else I missed? TJ
    120 in a 19 GW... be careful.
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

  16. #14
    Senior Member TexasJet's Avatar
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    Quote Originally Posted by steelcomp View Post
    120 in a 19 GW... be careful.
    As much as possible.

    I will only do that speed under ideal conditions. An then, not very often.

    Next winter we will put in a pop off valve. That's gonna require some fibreglass work.

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