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Thread: so, yeah. Time for a new bench racing thread.

  1. #1

    Talking so, yeah. Time for a new bench racing thread.

    In all of your experiences, how accurate are these racers "rules of thumb"?

    #1 A tenth in the 60ft equals 2 tenths in the 1/4

    #2 100lbs is worth one tenth

    Also- for those who have done it, how much time did you drop by switching to a short belt?

    The reason I ask, is that I ran with street tires getting 2.25 - 2.15 60ft times, full belt with A/C and I had the spare, tonneau, and tailgate all in place that could have dropped a quick 200-250 lbs if removed.

    Assuming that drag slicks could have got me a 1.8 60ft and the weight loss could get me another two tenths it would add up to one full second, plus gains from the short belt. The only problem with that- it seems unrealistic that I could turn my 13.70's into 12.70s or less.

    What say you? is there 12s in my truck, or are those sayings bullshit?

    Drops panties faster than any R/T

  2. #2

    Duner's Avatar
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    My experience with all that is that you only ever see 50% of what you think the changes will be.... for one reason or another.
    Duner
    4.7 Turbocharged CC in white - 12's
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    1999 Dodge Dakota R/T RC Turbo: 10.51 @ 130.13 MPH

  3. #3

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    Thanks, I guess I'd still be pretty happy to see a 13.1-13.2

    Drops panties faster than any R/T

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    Duner's Avatar
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    Quote Originally Posted by wyotech_cuda440 View Post
    Thanks, I guess I'd still be pretty happy to see a 13.1-13.2
    The reason I'm not more optimistic - is that it seems as though no two trucks act the same way. It's impossible to know what things will do until you try them. I know that a short belt on my 4.7 was worth 3.5 tenths! Losing weight on my R/T doesn't seem to have done anything - even though it all came from the nose. I've just gotten too disappointed when things I thought would change the numbers didn't.
    Duner
    4.7 Turbocharged CC in white - 12's
    5.9 Turbocharged RC in black - 10's

    1999 Dodge Dakota R/T RC Turbo: 10.51 @ 130.13 MPH

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    Corey's Avatar
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    I call BS because I did not know about the short belt. Kidding! Remember I'm not drag racing.

    I can add from all my road racing experience that weight loss, and rotational mass reduction will gain you more. You already raced this past weekend with the fuel light on, so slosh weight in fuel at about 6 lbs. per gallon, can be checked off that list.

    You are a mechanical thinker, so something will come to you.
    DRTC #1176

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    What would a 11.59 @ 115.54 run at 7400-7600' be at sea level?



    Kris in 3-2-1....
    Last edited by Adobedude; 10-23-2013 at 02:46 AM. Reason: fucked up the mph
    11.27 @ 118.23
    2017 NM Mopar Challenge Series Champion

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    What's the converter?

    The problem with most of the weight loss you mentioned is its off the wrong end. Take 150#'s off the nose and i think you got almost .2 right there

    Short belt - maybe .1

    Slicks - my best 60' of the day on Sunday was 2.0x so depending on the converter you should muster a 1.9x or better with the power your making.

    Low 13 for sure with the above changes maybe if the stars aligned better? Duner said it best. Back in the day I swapped things like headers and TB's from one weekend to the next and gains were little to none - racing conditions and track prep had more impact. I proved to myself that on a factory cam and heads JBA headers were just as effective as Spintech mid lengths - Absolutely no gains in the bigger headers. Now add big cam and heads and the story is different

    Quote Originally Posted by wyotech_cuda440 View Post
    In all of your experiences, how accurate are these racers "rules of thumb"?

    #1 A tenth in the 60ft equals 2 tenths in the 1/4

    #2 100lbs is worth one tenth

    Also- for those who have done it, how much time did you drop by switching to a short belt?

    The reason I ask, is that I ran with street tires getting 2.25 - 2.15 60ft times, full belt with A/C and I had the spare, tonneau, and tailgate all in place that could have dropped a quick 200-250 lbs if removed.

    Assuming that drag slicks could have got me a 1.8 60ft and the weight loss could get me another two tenths it would add up to one full second, plus gains from the short belt. The only problem with that- it seems unrealistic that I could turn my 13.70's into 12.70s or less.

    What say you? is there 12s in my truck, or are those sayings bullshit?
    Last edited by madboy; 10-23-2013 at 04:31 AM.


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  8. #8


    madboy's Avatar
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    11.39? .....


    Quote Originally Posted by adobedude View Post
    what would a 11.59 @ 115.59 run at 7400-7600' be at sea level?



    Kris in 3-2-1....


    Josh - 98 BLK RC - Mad Milkshake Maker
    Previous
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    99 DA RC - mad dak - Danno Stole it
    01 SLVR RC - mad sexy - retired - then died
    99 IB RC - mad RT - gone to heaven..



    Former Certified member of the 11 Second NA RT Club

  9. #9

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    Quote Originally Posted by Adobedude View Post
    What would a 11.59 @ 115.54 run at 7400-7600' be at sea level?



    Kris in 3-2-1....
    lets see if this get him in here

    Drops panties faster than any R/T

  10. #10



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    [quote=wyotech_cuda440;386318]lets see if this get him in here

    But traction and shit, because we all know I would spin the entire 1/4 mile and any gains would be lost.
    11.27 @ 118.23
    2017 NM Mopar Challenge Series Champion

  11. #11

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    Inb4krislol


    Those times still might be optimistic but Dave has a ten second truck at sea level.
    390ci 11.13@120mph N/A

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    You're all dummies! DA no matter! Everyone in the northeast knows this!
    2004 SRT4 Moar Pah Coming DD
    2002 Dakota R/T 12.376@110.84


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  13. #13

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    Quote Originally Posted by madboy View Post
    What's the converter?

    The problem with most of the weight loss you mentioned is its off the wrong end. Take 150#'s off the nose and i think you got almost .2 right there

    Short belt - maybe .1

    Slicks - my best 60' of the day on Sunday was 2.0x so depending on the converter you should muster a 1.9x or better with the power your making.

    Low 13 for sure with the above changes maybe if the stars aligned better? Duner said it best. Back in the day I swapped things like headers and TB's from one weekend to the next and gains were little to none - racing conditions and track prep had more impact. I proved to myself that on a factory cam and heads JBA headers were just as effective as Spintech mid lengths - Absolutely no gains in the bigger headers. Now add big cam and heads and the story is different
    I have a 2800 stall, so no monster launches but if I could hit it from idle and hook up it should work halfway ok. What you're saying about the weight in the rear makes sense, it won't help much if I lose traction by making the weight distribution worse than it already is.

    Drops panties faster than any R/T

  14. #14

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    Quote Originally Posted by Broo42 View Post
    You're all dummies! DA no matter! Everyone in the northeast knows this!
    Lol

    Drops panties faster than any R/T

  15. #15


    krs1r/t's Avatar
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    Quote Originally Posted by Adobedude View Post
    What would a 11.59 @ 115.54 run at 7400-7600' be at sea level?



    Kris in 3-2-1....
    We will never know! So it doesn't matter!
    But I do know one thing, no matter what, I will always post the fastest N/A TIMESLIPS!


    I know mike has me by a tenth right now

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    Quote Originally Posted by wyotech_cuda440 View Post
    In all of your experiences, how accurate are these racers "rules of thumb"?

    #1 A tenth in the 60ft equals 2 tenths in the 1/4

    #2 100lbs is worth one tenth

    Also- for those who have done it, how much time did you drop by switching to a short belt?

    The reason I ask, is that I ran with street tires getting 2.25 - 2.15 60ft times, full belt with A/C and I had the spare, tonneau, and tailgate all in place that could have dropped a quick 200-250 lbs if removed.

    Assuming that drag slicks could have got me a 1.8 60ft and the weight loss could get me another two tenths it would add up to one full second, plus gains from the short belt. The only problem with that- it seems unrealistic that I could turn my 13.70's into 12.70s or less.

    What say you? is there 12s in my truck, or are those sayings bullshit?

    Those sayings are bullshit!
    HI. I like beer, burnouts, and boobies...


  17. #17


    Danno's Avatar
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    I guess I could have left Vader at full weight and run that 12 NA eh? LMAO!

    What did we gain by swapping Ginn into the seat Josh, 2 tenths? And that was about a 200 lb difference.

    99 DA RC To Be Discovered AKA Smokey
    98 DA CC 11.59@118 AKA Barney

    [Duner] : I was afraid I was going to go too fast and scare myself. Lucky for me - the DA rose up to save me.

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  18. #18

    Needs more boost

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    Quote Originally Posted by wyotech_cuda440 View Post
    In all of your experiences, how accurate are these racers "rules of thumb"?

    #1 A tenth in the 60ft equals 2 tenths in the 1/4

    #2 100lbs is worth one tenth

    Also- for those who have done it, how much time did you drop by switching to a short belt?

    The reason I ask, is that I ran with street tires getting 2.25 - 2.15 60ft times, full belt with A/C and I had the spare, tonneau, and tailgate all in place that could have dropped a quick 200-250 lbs if removed.

    Assuming that drag slicks could have got me a 1.8 60ft and the weight loss could get me another two tenths it would add up to one full second, plus gains from the short belt. The only problem with that- it seems unrealistic that I could turn my 13.70's into 12.70s or less.

    What say you? is there 12s in my truck, or are those sayings bullshit?
    From experience *at sea level (LOL) Removing the fiberglass tonneau was worth .1 consistently.

    Also from an old NE dyno day full belt to short belt was a repeatable 10 WHP, removing the belt all together was almost another 10 WHP.
    --Justin
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    '00 Dakota R/T Prev: 386whp/425tq 11.73@115.8 NOW: Under the knife

  19. #19

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    Quote Originally Posted by dakrt23 View Post
    Those sayings are bullshit!
    lol, you jelly brah? Time to update that sig

    Quote Originally Posted by Danno View Post
    I guess I could have left Vader at full weight and run that 12 NA eh? LMAO!

    What did we gain by swapping Ginn into the seat Josh, 2 tenths? And that was about a 200 lb difference.
    So- in all honesty, would slicks, skinnies, short belt, and 200lbs be able to get me in the 12s assuming decent air and traction in your opinion? To me, low 13s sounds more realistic, I think Duner has the best rule of thumb so far.

    Drops panties faster than any R/T

  20. #20

    White Turbo's Avatar
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    13.20's to 13.30's

    Ed Morris
    11.17 @ 120.91 mph
    Best 60': 1.54

    DRTC # 578

  21. #21


    GoFastGray's Avatar
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    Quote Originally Posted by White Turbo View Post
    13.20's to 13.30's
    I'd say 13.30-13.40

    Famoso is open Nov. 3rd / Sunday.
    Help me chase 11's while I help you shoot for them 13.20's
    12.10@106@Famoso Raceway

  22. #22

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    Quote Originally Posted by GoFastGray View Post
    I'd say 13.30-13.40

    Famoso is open Nov. 3rd / Sunday.
    Help me chase 11's while I help you shoot for them 13.20's
    Got an old set of slicks? I might be able to make that day, I didn't see anything on the calendar

    Drops panties faster than any R/T

  23. #23


    GoFastGray's Avatar
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    I have a newer set of MT ET Streets 12.5x28-15
    Only rims I have are 15x8's, try recommend 8.5"-10.5" rims though.

    Do some runs with my front boggies too!
    12.10@106@Famoso Raceway

  24. #24


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    Quote Originally Posted by White Turbo View Post
    13.20's to 13.30's
    ^^ This.

    Your MPH doesnt show that you are making the power to get into the 12's. Even with weight redux, you would have to pull a TON to get that MPH up.

    If you were in the 104-105 mph range, then Id say you had a chance...

    99 DA RC To Be Discovered AKA Smokey
    98 DA CC 11.59@118 AKA Barney

    [Duner] : I was afraid I was going to go too fast and scare myself. Lucky for me - the DA rose up to save me.

    [Kotta390] : Oh that's right! Well FML.....Looks like I am getting shafted because of my bore size

    [BlakDak71] : I don't run oil, I run a special blend consisting of Hellman's mayo and the tears of a pregnant mermaid

    [Kotta390] : My electric water pump puts out too much fuel at idle and is not a variable pump which makes it overheat in the summer at idle if I sit too long

    [KotaRT] : Ed, you can have cake, as long as I get something in return

  25. #25


    Blown and Squirted

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    Short belt AND no filter on mine was 11hp on the dyno.

    '99 R/T- MSIIextra fuel/spark/idle, ZCP mx422 supercharged, ZCP Tbrake 727, PPC 10" 3800, 4.10, (\/) Headers, 2.5" Duals, Truetrac, Boyd Timeless 6's, Hotchkis TVS.
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