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| DRR Sportsman |
seems like a lot of work when you can go in to your delay box and punch some numbers. 100# only gets me 7 to 8 hun ep-i cant pick up 120# | |||
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| DRR Pro |
If you are talking about a throttle stop. They are Illegal in Open Comp. You will never be accurate just lifting at a certain point. Not like adding weight. -------------------- Bob Payton S/P, T/D, S/C, TOP 309Z, 393, 3093, 8X93 www.apdracing.com www.diamondracecars.com www.callies.com | |||
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| DRR Sportsman |
hey Bob. i am not refering to a throttle stop. i am speaking of shifting on time not on rpm. for example if i may. i run a lot of 6.0 index around my area. i watch guys try to shift at their normal rpm and try to slow down to 6.0 by adding weight, playing with timing, spot dropping, running a bolt under the gas pedal etc. sometimes they hit 6.0 but most times they dont. when i get in the shift/time range to go 6.0 i know exactly how much i need to move my shift timer to go 6.0 or 5.96. depending on if i want to go dead on or hold. also if you go from day to dark and things tend to pick up i can adjust in the water box instead of being married to some weight in my car. i dont think the track would appreciate me throwing 20 pounds out on the starting line before i stage. to each his own. if it works for you do it. if it works for me i will do that. ep-again not being a smart azz. just learning | |||
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| DRR Sportsman |
also, speaking of open comp. i assume it is a bracket race on a pro tree. if so i would want to be the slowest car in the race. that way i get a clean tree every hit. the guy spotting is at a huge disadvantage not knowing when his side is going to light up. we have some of that around here on occasion. ep | |||
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| DRR Trophy |
Pauley , how much ET can you change with the shift timer adjustment? | |||
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DRR S/Pro![]() |
You aren't wrong about hitting the tree. We have a series around here that has a .400 pro tree bracket race with it. I have to spot most guys and sometimes spotting a slow guy waiting on that tree a long time can really surprise you. LOL | |||
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DRR S/Pro![]() |
Mark, I can't speak for Pauley but I was running 6.0 index and the Footbrake class at the same race and first time trials I went 5.776 off the foot leaving at 2600, shifting at 6900. In the 6.0 class I left at 4000, shifted at .200 and ran 5.955 with my old engine. Haven't done both with the new one. That is at 1989lbs | |||
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| DRR Sportsman |
that depends. if you shift closer to wide open it takes about a tenth to move .01. when i shift .80 to around 1.15 it is close to .04 in shift time to move .01 in et. on the occasion i shift .20 or .30 out it is about .02 to .01 in et. to run 6.0 i will normally be between .75 to 1.15 on the shift depending on if it cool or hot weather. i am sure every car is different so you would have to play around with it. like i said from 1,25 to 2.25 only gets me about a tenth. it is not linear, meaning .xx gets you .xx across the range. like my thottle stop, .025 is .01 in et no matter how long i am on it. shift will be different the further in to the run you go. ep | |||
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| DRR Sportsman |
Curtis, i can kill a little more et than that if i shift really early. probably between 3 to 4 tenths. but my car is heavier than yours is probably why. ep | |||
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| DRR Pro |
ep, The thread below & the quote from the thread below covers the hold # I was talking about. Although a slightly lesser amount, the .13 # was from my NA motor with about 20 mph less than my boosted motor. I think the quote came from page 15. I'm not taking you as being a smart azz & wish I could just show you in person. For the others that don't think this is the correct way of doing things. I've been doing this style of holding & many different variations for 10+ years. It works for me & others, in different forms of drag racing. From local bracket to big bucks, index racing but unproven in Open Comp at least not by me. The last two months I've entered 4 races. Two wins have been a 6.00 & 5.80 index; the other win was our season points final bracket race. IMO, there's no right or wrong on how to do this Open Comp deal. The only thing that matters is winning rounds & hopefully the race. Hope the below recap of my bracket race win, will explain it to you ep! If you have questions, I'm willing to explain further. https://drr.infopop.cc/eve/for...5460652/m/9727043107
2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Pro |
I want to clarify or maybe confuse you or others even more. I'm only using the 1,000' as baseline for getting rid of ET & MPH. In this case of Open Comp taking .10 from your quickest qualifying run. I'm covering that tenth & then some to build in room for my hold(s). Seeing I recently did a baseline & it was a little over .11; I need to get off the throttle before the 1,000' to give me more hold #s to work with. The plan is for only 1 qualifying pass & will get off the throttle earlier than 1000' & establish a new baseline. I might do another qualifying pass depending on my reaction time position for the ladder. I'll be running No-Box also, so I can practice Open Comp runs during my bracket time hits. 2BKING seeing if his theory will work. Plus, it was approved by my boy! This message has been edited. Last edited by: B KING, 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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DRR S/Pro![]() |
I thought that might be the case for your set up, so that was why I included my weight. It works well though. | |||
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| DRR Sportsman |
This has been an enjoyable thread ep | |||
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| DRR Pro |
It's not done yet! I missed 2 time hits, 1 per class this morning on purpose. We're supposed to get another cycle in today. If it happens I'm only going to do a hit in no-box. Probably will cut the throttle at 1,000' & use the run completer. Tomorrow the plan is to make my one & only qualifying run in Open Comp. I see they have the 1,000' MPH blocks installed. That's where I I'll cut the throttle at. It should knock about .14 off my time & work with my theory, hopefully. 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Pro |
No runs today 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Pro |
Still no passes today! See how the morning goes. Supposed to get 1 hit per class, not holding my breath. 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Trophy |
I do like to play with the math of all of this. Do you happen to know what the frontal area and Coefficient of drag (CD) are for your vehicle. Also how much MPH do you drop along with the .14 et? Stan | |||
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| DRR Pro |
Sorry Stan, no time hits for me & some others! Dialing blind in 2 classes. 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Pro |
My opponent (kid) in 1st round of Open Comp tried to chop the tree down with a .009, but I had a .002 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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| DRR Pro |
I ended up going out in the 3rd round of this class. I didn't tighten up the stripe like a needed to & had plenty of room; I broke out by .002. In hindsight, I realized I'm a little rusty or out of practice with being chased. I've gotten spoiled by doing the chasing. I don't know what I'm going to do to practice, but I have to figure something. I might have enter S/Pro a time or two throughout the season. I liked this class but hated the event! It was the biggest promoted cluster F..k of a race. I darn near hit a few spectators or crew trying to get to the burnout box. They were walking like they had the right of way & one guy was doing something with his phone while walking. I didn't go out of my way to do anything, but I could have! F...ing Idiots! 2BKING ![]() 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3100 lbs. Pump Gas 436 | |||
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