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Thread: ladder bar adjustments

  1. #1
    Senior Member RACING JUNKIE
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    ladder bar adjustments

    how do you adjust ladder bars to get your 60' times down.... do you raise the bars or lower them.... whats each way do the car as far as reaction and handling?
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  2. #2
    Senior Member RACING JUNKIE
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    its a 75 chevy vega backhalfed car with ford 9 in rear w/4.56 gears with ladder bars and coil overs. im running a 383 putting out 485hp and a glide. right now its aver. 1.52 60's and a best time of 10.92 @ 122mph in the 1/4. the car leaves straight but it doesnt stay consistant ... it will run from 10.92 up to 11.10's... im cant figure out why?
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  3. #3
    Senior Member DYNO OPERATOR
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    ladder

    Are your 60 fts varying about as much as you ETs?

    Raising the ladder bar one hole will make it hit the tire harder. Whether that will make it faster or more consistant is an experiment to find out.

  4. #4
    Senior Member RACING JUNKIE
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    mark, what do you mean "hits the tire harder" ?
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  5. #5
    Senior Member DYNO OPERATOR
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    Ladder

    The higher the bar, the more tendancy to wheel stand. The lower the bar, the more tendancy to spin.

  6. #6
    Senior Member RACING JUNKIE
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    so if it increase traction..... does it change anything else as far as handling down the rest of the track? i looked at my bars and they are in the middle hole.... i have 2 more higher up and 2 below. should i go 1 hole up or 2 up?
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  7. #7
    Senior Member RACING JUNKIE
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    I would go up 1 hole from where are now, a big percentage of vegas with ladder bar, tend to wheel stand easy, thats my oberservation, so take baby steps, as not to miss the sweet spot, you are changing ic as you make these adjustments.

  8. #8
    Senior Member RACING JUNKIE
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    ok.... that makes sense ..... thank you all for the help
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
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  9. #9
    Senior Member RACING JUNKIE
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    will i need to adjust for pinion angle or just move the bars up?
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
    http://img.photobucket.com/albums/v2...lastscan-3.jpg

  10. #10
    Senior Member RACING JUNKIE
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    I would adjust it to maintain, what ever angle you have now. it may only need a degree or two down if any, but check to make sure.


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