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Thread: I'm going to Steele, Al. drag strip tonight

  1. #16
    Join Date
    Sep 2004
    Location
    Woodbridge, VA
    Posts
    1,623
    You went thru the traps about 4600 rpm. You can look at your dyno sheet and see how much HP you are making at that point and see how close it is to the old blower setup. I believe if you are looking for good drag times you will need to change the rear gear. Even at 120 mph with the tire gear package you would be going thru trap at 5k. Need to see the dyno graph to see where the sweet spot is.
    ~Chris

  2. #17
    Join Date
    Sep 2010
    Location
    Rome, GA.
    Age
    55
    Posts
    496
    Quote Originally Posted by Blown3.8 View Post
    You went thru the traps about 4600 rpm. You can look at your dyno sheet and see how much HP you are making at that point and see how close it is to the old blower setup. I believe if you are looking for good drag times you will need to change the rear gear. Even at 120 mph with the tire gear package you would be going thru trap at 5k. Need to see the dyno graph to see where the sweet spot is.

    Thanks! You've really helped me to get the big picture!
    Attached Images Attached Images

    Chris Stewart
    03 Marauder
    Paxton 2200
    20" wheels
    637.21rwhp
    538.59rwtq

    04 DTR Son's car
    4.10, K&N CAI, Jeff tune
    Headers, underdrive pulley
    297.26 rwhp
    312rwtq

    06 F-150 Supercrew Lariat 4x4
    305/55 20's

  3. #18
    Join Date
    Jan 2014
    Location
    eastaboga,Al
    Age
    53
    Posts
    55
    Quote Originally Posted by BigM460 View Post
    Why is it that the left lane is so much worse? Always has been.
    They will drag the right lane a couple times a night for drag cars

  4. #19
    Join Date
    Sep 2004
    Location
    Woodbridge, VA
    Posts
    1,623
    Here is a nice calculator http://vexer.com/automotive-tools/speed-rpm-calculator you can input trans ratios tire sizes and even adjust converter slip.

    Trans ratios are 1st - 2.84 2nd - 1.55 3rd - 1.00 4th - .70
    ~Chris

  5. #20
    Join Date
    Mar 2013
    Location
    Southwest Florida
    Age
    60
    Posts
    1,524
    I can't give you a lot of advice on the track. But, I know tires make a huge difference from the few times I have been with my NA Marauder. My times were much better when I switched to Nitto 555's. BTW, my car left with the same amount of wheel spin but I also spun the same amount on my 1-2 shift too. I wonder how much all that spinning cost?

    Car sounds SWEET! What exhaust is are you running?

    "RescuRauder", Born on 09/02/2003 & rescued on 04/05/2013. #236 of 3214 and #62 of 1237 in Black. CAI, Some kind of tune, Kooks Headers, X-pipe w/Hi-Flow cats, Magnaflow mufflers, Resonators removed, 4.10's, Metco U&L CA and Watts link, Drilled & slotted rotors, now BOOSTED!! Eaton Swapped 12/29/19!!
    Sold! 1986 Mustang GT Vert, Black, 5spd, new short block, Powerheads, Crower 15511, gears, exhaust etc.

    1968 Ford (Galaxie) XL fastback, 390, factory buckets & auto on floor
    2011 Shelby GT500, Kona Blue with SVT Performance Pkg & Navigation, VMP tuned ~550rwhp/550rwtq. Finally Blown!

  6. #21
    Join Date
    Sep 2010
    Location
    Rome, GA.
    Age
    55
    Posts
    496
    Stainless works headers, home made 3" mandrel pipes, flowmaster nockoffs, under axle tailpipes, into some 3" glasspacks inside the stock tips.

    Chris Stewart
    03 Marauder
    Paxton 2200
    20" wheels
    637.21rwhp
    538.59rwtq

    04 DTR Son's car
    4.10, K&N CAI, Jeff tune
    Headers, underdrive pulley
    297.26 rwhp
    312rwtq

    06 F-150 Supercrew Lariat 4x4
    305/55 20's

  7. #22
    Join Date
    Mar 2014
    Location
    Canada
    Age
    60
    Posts
    266
    I agree that your 60' is killing you,110 mph should be a low 12 in the quarter.

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