Data Acquisition
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Data Acquisition

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    Senior Member wagspe208's Avatar
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    Default Data Acquisition

    Anyone running a system on their boat? I just bought an RPM piece. Was looking for some input or thoughts on the system.
    Thanks
    Wags

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    Gee your stuff runs the number. Maybe best to not know too much?
    LOL.

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    Senior Member wagspe208's Avatar
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    Quote Originally Posted by Fiat48 View Post
    Gee your stuff runs the number. Maybe best to not know too much?
    LOL.
    LOL Believe me, I thought of that. There are just some things it should tell me that the seat of the pants doesn't. Prop hook (one vs another), fuel pressure, cylinder balance (sure I look at plugs, I want to see how close I am (probably not very)), and FYI info.
    Honestly, I have never monitered boost (dumb,huh). We always went by OD % but I always wondered how air density and water grains palyed into boost numbers. No one could ever give me hard info. Maybe I will see.
    Like most things in life.... I am sure it will provide information proving I do not know things I thought I knew. The more I learn, the less I knew.
    Wags

    Oh, and I think they are going to hand me a 1099 for the Smokin in the Cove win last year, so have to spend some $$.
    Last edited by wagspe208; 09-04-2010 at 08:23 PM.

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    Oh it is always interesting.
    Though a lot of people don't think so...alcohol makes you lazy. The tuning band so wide.

    Most my stuff takes little boost to do the job. That way we don't have to depend so much on a "good" blower. We run a blower for many years. I do use a boost gauge but it is just reference number. It would just clue me on the blower getting soft.
    I do like to throw a pyrometer on #6 generally when I first start tuning. Once I know my plug color I just take it off. It's just a backup reading against the plugs. Assures me my direction is right.
    I am sure it would be interesting to have more data. But I imagine in my old ways I'd look at that data....and then go with the devil I know.
    LOL

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    Senior Member wagspe208's Avatar
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    I agree alcohol will make you lazy. We have been lean enough to kill power, but it does not hurt itself. It would have died horribly on gas.
    This engine is only 10.2 to 1, so it is not as peppy as the 468. Optimizing cyl to cyl would probably help some... hence the 8 egt. 10.2 were shelf pistons, so that's the deal. I will cut the heads some on this freshen up to raise the compression a little.
    I am curios about some prop stuff. WD40 causes it to slip if not burned off (I swear), but a g meter will prove me right or a damn fool. I'm also interested if the 8.0 tuneup and the 6.0 leave as much different as they should. I actually think I am overpowering the small prop with the 6.0 tuneup in it. I still run 150 ish to 155 to run 6.0's as 1000'. This means a horribly poor launch in comparison.
    What you think?
    Wags

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    Senior Member wagspe208's Avatar
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    Oh, I have no misconceptions... it is a tool...like a hammer. It won't fix our off tuneup weekends or poor driver weekends.
    And, they don't seem to lose much value if I decide it is a PITA.
    Wags

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    Now I never heard that one. I know guys who let their prop rust and won't clean it off "cuz it bites harder."
    So that will be interesting.
    The hydro that I tuned for....I took away his 2 speed and stuck him in high gear only with 48's. We had a lot of fun with that setup. Everyone left on him.....many got a little overconfident till he passed them just before the lights.
    I try to take away as many variables (driver error) as I can. In the end the guy has to drive to win cause you can't always give him an 8.000. Too many variables. But as your log book gets thicker...you can hang in there pretty darn close. To me the key is wide open and no peddle games and run the number. Higher speed in the lights the better. I could care less about leaving with someone. Actually rather be behind them.

    That is something to think about right there as far as compression change. I try to leave these things alone when they are on the number. I would not mess with compression because very hard earned data would not be as accurate anymore.

    The big deal is reaction times. Always hated the boat starting system. It just sucks.

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    Senior Member bp298's Avatar
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    Quote Originally Posted by wagspe208 View Post
    Oh, I have no misconceptions... it is a tool...like a hammer. It won't fix our off tuneup weekends or poor driver weekends.
    And, they don't seem to lose much value if I decide it is a PITA.
    Wags
    when we were running the pg deal, we had a racepak system in the boat, collecting data from all over the thing. at first, all that data can be a little overwhelming after you make a pass and you need to get ready for the next one. it takes time, and you need to work with it to figure out what is important to you between rounds and what isn't. the information that doesn't seem relevant between rounds makes for good hours of study once you get the time to really analyze and figure out what it did and why, which means you'll gain knowledge for the next time.

    i've talked to guys that ran for years without data, then got a system and couldn't believe how they managed without it. bg, ba, didn't really matter. it is a tool, but it takes some time working with it to get value out of it.

    i thought you were gonna go with that delay box as a fix all???

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    Senior Member wagspe208's Avatar
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    Quote Originally Posted by bp298 View Post
    when we were running the pg deal, we had a racepak system in the boat, collecting data from all over the thing. at first, all that data can be a little overwhelming after you make a pass and you need to get ready for the next one. it takes time, and you need to work with it to figure out what is important to you between rounds and what isn't. the information that doesn't seem relevant between rounds makes for good hours of study once you get the time to really analyze and figure out what it did and why, which means you'll gain knowledge for the next time.

    i've talked to guys that ran for years without data, then got a system and couldn't believe how they managed without it. bg, ba, didn't really matter. it is a tool, but it takes some time working with it to get value out of it.

    i thought you were gonna go with that delay box as a fix all???
    Well, the delay box will fix everything. But the data ac. will eliminate the crew chief. Hell, with his salary savings it will pay for itslef in no time. ROFL
    Wags

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    Senior Member wagspe208's Avatar
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    Plus, I figured you are a bad ass. I follow the leaders. LOL
    Wags

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    Senior Member bp298's Avatar
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    not going to get into the delaybox witchunt nonsense (too much). there are multitudes of components that can accomplish the same functions, that are not "delay boxes". and the only guys that have any success at all with that stuff are people that were already badass without it. people that sucked before they install that stuff generally suck worse after they install it; i.e., they were confused and overwhelmed before, and then multiply the confusion by a factor of 10....

    the crewchief , whoever that might be, will have more to do, but decisions will be "informed", rather than the alternative.

    ain't no "delay box" in my boat...
    Last edited by bp298; 09-05-2010 at 09:05 AM.

  14. #12
    Senior Member wagspe208's Avatar
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    BP I agree. Guys who know WTF will use additional info. Guys who do not will not become good racers with additional info. I am an average racer looking for an edge. Complying with the rules as I do.
    Wags

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    Village Idiot fc-Pilot's Avatar
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    Wags, not that it matters but we use the RPM unit. Granted ours stays on land, but we have been very happy with it.

    Paul

  16. #14
    Senior Member bp298's Avatar
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    Quote Originally Posted by wagspe208 View Post
    BP I agree. Guys who know WTF will use additional info. Guys who do not will not become good racers with additional info. I am an average racer looking for an edge. Complying with the rules as I do.
    Wags
    steve, i think everybody complies with the rules as best they can. what bothers me is the concerted effort, and personal agenda, to stifle any type of creativity or innovation. this isn't supposed to be heritage or nostalgia racing.

    average racers don't take the $10k at sitc...

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