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banginAltima

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  7. Burping At Low Hz..?

    in General Audio - Can't find a category for your question? Ask here.

    Posted

    Your burp freq. depends on your cars freq. My box is tuned to 33 hz, I peak at 40hz. You need to find the freq. of your car and build a box around 8Hz lower and that should give you the highest numbers. If I tried to burp at 60Hz I would be down 4 to 5 db's. Getting high numbers has nothing to with where you "think" you should burp at. Its all about where your car wants to burp at. Testing and more testing and then learning from the testing is the only way the get good numbers. Example of all this... I hit a 147.1 with a little over 1600 watts at a burp freq. of 40Hz.

  16. How Can I Increase Performane On A 5.0

    in Engine and Performance - Anything for that couple extra horses!

    Posted

    what do you mean by carb jetting i know how a carb works i have just never changed parts on one when i slam it to the floor from a dead stop it stumbles or backfires and its a completely new Holley 600 cfm carb with no adjustment

    There are adjustments...

    idle/air, jetting, squirter, vac secondary

    Carb jetting = the "jets" inside the carb controls the amount of fuel used. Holley's are normally fat right out of the box (meaning to rich, to much fuel).

    The stumble or backfire is from the squirter curcuit.

    I would tell you to look up all the carb tuning you can.

  18. How Can I Increase Performane On A 5.0

    in Engine and Performance - Anything for that couple extra horses!

    Posted

    Before you go the cam route start with the basics...

    1. Intake (which you already got)

    2. Headers ( equal length gives more torque which is what you want on the street)

    3. a carb spacer (one inch four hole, going from no spacer to an open spacer gained me one tenth. But going from a open spacer to a four hole was a tenth and a half. So I gained 2.5 tenths from a 35 dollar spacer).

    4. bump your timing up by 2 to 4 degrees

    5. Carb jetting will gain good hp and mpg

    Doing all of this I went from 14.7 to 14 seconds in the quarter.

    Once you do all that, then its time for a set of heads, then cam.

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