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#1 | ||
KenneBell Australia
Join Date: Nov 2005
Location: Engine building room
Posts: 1,965
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Greetings everyone.
This area of the Bluepower forum is for people who would like to ask a question regarding Drag Racing their car. We have much experience in this field, and if we can help in any way, pls feel free to ask. Be patient, we may be slow in answering, but we will help everyone to the best of our ability. Regard Chris
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Bluepower Racing Developments Proud Australian Distributors of Kenne Bell superchargers The Quickest, The Fastest, The Baddest Boss Blower of all. www.bluepower.com.au |
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#2 | ||
Slide Baby Slide
Join Date: Mar 2005
Location: SA - The Drift State
Posts: 2,662
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I'll kick it off.
I was at Calder the other night (first time out with the new beast) and i'm having trouble launching the car. I either nearly stall it, due to not enough rev's, or i get axel tramp/diff bounce (sometimes very severe). Just wondering if you could help with my launching technique? It's a EB V8 with a T5 manual for those that don't know.
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:the_finge You want more inches...........STROKE IT!!! :the_finge Mr Super Skid-Man |
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#3 | |||
AFF.com.au
Join Date: Dec 2004
Posts: 2,128
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Quote:
When a car launches, it tries to twist the diff out of the car. The revs at which you launch will denote the rate of twist. having low stiff suspension will try to reverse the energy back, with the engine fighting back every step of the way, which brings on the tramp. Raising the suspension and softening it a little will help out a mile - after doing a few meetings i would suggest re-doing your suspension to a more conservative approach height wise, and watch your 60 drop. Achieving this will then see a need for a better tyre/clutch combo. Your tyre and clutch go hand in hand when searching for a launch. Too good in tyre choice with a stock clutch will see the clutch slip, whilst with a gun clutch and ordinary tyre will see plenty of smoke. You need to make some choices regarding appearance (ride height) application of vehicle and driveability (clutch). I can loan you some tyres, but i would look at the first two issues first and foremost. Chris |
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#4 | |||
Slide Baby Slide
Join Date: Mar 2005
Location: SA - The Drift State
Posts: 2,662
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Quote:
![]() ). With the ride height i was thinking about getting it raised around 1/4" to 1/2" and soften up the suspension. There is also another issue that people can;t see and that is the tailshaft. It is dangerouslly close to the body for drag racing, sot heres another reason to get the butt of the car up. A tailshaft loop is also being looked at in reagrds to that. Clutch and tyres are also being looked at, however due to some finacial situations/and moving interstate I have just had to sell a set of M/T Street Radials. An upgraded clutch (Xtreme Clutch Pack) is also on the cards. However it's all time and money. I'm just gonna take my time and make sure it's done properly. On saturday i'll chuck you the keys and you can show me a thing or two if you don't mind. Once again, thanks for the advice mate!
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:the_finge You want more inches...........STROKE IT!!! :the_finge Mr Super Skid-Man |
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#5 | ||
FF.Com.Au Hardcore
Join Date: Apr 2005
Posts: 4,409
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Hi Chris,
I will be happy to start ( and don't care if others think it is stupiid ), what i would like to see is a general training day for the guys n gals, i often read classes for the girls but never anything for the guys ( from what i have seen any way ). It would be good to cover the basics with some tuition regarding the terms, saftey, setup etc, then to back up the afternoon with in car runs ( at practice speed ) to cover the application side of things regarding launch, revs getting the 60' down etc. Chris i have over the many years like most been a back street racer and yep all is good but to have a days tuition and training in a group with experianced people is something i would pay for. Pete |
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#6 | |||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 2,970
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Quote:
Hey Chris, i just wanted to ask you, when racing do you change gears manually in the ute or do you just leave it in performance mode? Also, would there be any benefit in doing a little burnout before the run if your using sp9000s? Finally, with these tyres what pressure do you think would be suitable? |
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#7 | |||
AFF.com.au
Join Date: Dec 2004
Posts: 2,128
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Quote:
If you dont have wheelspin, leave the tyres higher in pressure - it will take less power to turn them, resulting in better ET and higher MPH. drop in dude, be good to see you again. Chris |
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#8 | |||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 2,970
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Quote:
Yeah ive been alright, busy with school and stuff. I want to talk to you about something, il send u a pm |
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#9 | |||
AFF.com.au
Join Date: Dec 2004
Posts: 2,128
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Quote:
Ill get to work on it. Chris |
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#10 | ||
RIP Craig - 13/11/08
![]() Join Date: Feb 2005
Location: Kilmore, 30 minutes from Heathcote Raceway
Posts: 3,571
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Excuse me mister how do i make my BA XT V8 go a bit faster????
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#11 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 2,970
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hahahhahahahaha
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#12 | |||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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Quote:
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Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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#13 | |||
SLYME UTE
Join Date: Jan 2005
Posts: 355
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Quote:
Push it off a cliff ![]() Sorry Craig I had to do it....
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dute is big and black now. . . . . ![]() |
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#14 | |||
RIP Craig - 13/11/08
![]() Join Date: Feb 2005
Location: Kilmore, 30 minutes from Heathcote Raceway
Posts: 3,571
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Quote:
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#15 | |||
Slide Baby Slide
Join Date: Mar 2005
Location: SA - The Drift State
Posts: 2,662
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Quote:
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:the_finge You want more inches...........STROKE IT!!! :the_finge Mr Super Skid-Man |
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#16 | |||
BA Black Edition
Join Date: Jan 2005
Posts: 1,437
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Quote:
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"With enough money anything can be done" "First BA to run a 12 on street Tyres and full weight back in the day, And still the quickest street BA GT in OZ" |
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#17 | |||
RIP Craig - 13/11/08
![]() Join Date: Feb 2005
Location: Kilmore, 30 minutes from Heathcote Raceway
Posts: 3,571
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Quote:
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#18 | |||
BA Black Edition
Join Date: Jan 2005
Posts: 1,437
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Quote:
Nice. ![]()
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"With enough money anything can be done" "First BA to run a 12 on street Tyres and full weight back in the day, And still the quickest street BA GT in OZ" |
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#19 | |||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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Quote:
__________________
Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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#20 | |||
RIP Craig - 13/11/08
![]() Join Date: Feb 2005
Location: Kilmore, 30 minutes from Heathcote Raceway
Posts: 3,571
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Quote:
Cheers CC |
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#21 | ||
GT
Join Date: Apr 2005
Location: SYDNEY
Posts: 9,205
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i know bluepower racing recommend and have proven on the trck that a diffilipo full system is the go for best times .
why ? tri y's are said to improve mid range torque over 4 into 1's. on a standard car . which is better for acceleration and presumably quicker times ?? and does it change once the car is edited?? cheers . |
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#22 | |||
Regular Member
Join Date: May 2005
Location: Sydney
Posts: 178
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Quote:
"BUMP"
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Made by Ford,made better by CV PERFORMANCE MKII GT 10.7@ 127MPH Fastest Boss sedan in the country |
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#23 | |||
AFF.com.au
Join Date: Dec 2004
Posts: 2,128
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Quote:
The 1/78 difilippo is not a trick - just smart engineering. Modern engine building theory tells us to use the smallest primary to do the job, build up airspeed and increase scavenging. So why go the 1 7/8?? Modern theory does go out the window when you have a unique, somewhat hybrid engine in a very narrow engine bay. The airspeed lost by going to a larger pipe is more than made up for by the larger cross sectional area at the head flange. If we were talking hot rods, where you could run a pipe straight off the head a few inches before it turns, you would be more confident with the smaller primary. However, the BA is very limited in its space, and loves the 1 7/8 pipe. We notice that we run faster down the quarter than our closest rival in ET and MPH, and we run a 4:1 and they i believe are using a try y. Thats good enough for me. Editing the cars will make improvements over each mod, so it is recommended that a competent tuner aid you in editing each and every step of the way, to maximise efficiency. |
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#24 | |||
GT
Join Date: Apr 2005
Location: SYDNEY
Posts: 9,205
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Quote:
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#25 | ||
SLYME UTE
Join Date: Jan 2005
Posts: 355
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No thanks Craig I dont like trying unproven things first, just in case I do the wrong thing
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#26 | ||
Force Fed Fords
Join Date: Nov 2005
Location: Victoria
Posts: 5,556
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Chris
This Saturday will be my first taking a car down the quarter. My road tryes are getting close to needing to be replaced. For launch would I better keeping nearly worn out tyres or buying some new ones? I am aware you said you may be able to help me out with slicks but wish to do some runs road tyres first.
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2021 Focus ST-3 Mountune Enhanced |
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#27 | |||
KenneBell Australia
Join Date: Nov 2005
Location: Engine building room
Posts: 1,965
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Quote:
__________________
Bluepower Racing Developments Proud Australian Distributors of Kenne Bell superchargers The Quickest, The Fastest, The Baddest Boss Blower of all. www.bluepower.com.au |
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#28 | ||
Das Auto Bitches!
Join Date: Jan 2005
Location: Perth
Posts: 384
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Hi Chris,
Just a quickie... What would be a preferred Stall RPM when lining up at the lights.. I still have a factory stall in it, i use the Manual Mode in the auto, im changing at around 5500rpm, is this too high or just right, as im pretty much in the torque range still. I also do a little burnout to get excesive rocks, and cr*p off the tyres, i will try a lower pressure, and im currently running 32psi and find i get a little wheelspin off the line. (there road tyres) would 28psi make a difference, or try something lower. Cheers. Jason
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MY14 MK7 VW Golf GTI - waghoon! |
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#29 | ||
Mercury Silver T3
Join Date: Jan 2005
Posts: 2,203
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Chris i want to run the t3 at willowbank with some semi slick tyres, what tyres should i look at purchasing?
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House of Tickford T3 TS50 No.156 AUIII XR8 220 2017 Magnetic Mustang What to hear a tuff T3? Click herehttp://s7.photobucket.com/albums/y30...ent=Movie2.mp4 |
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#30 | |||
AFF.com.au
Join Date: Dec 2004
Posts: 2,128
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Quote:
As for the launch, be wary of holding the ION 4 spd on "stall" for too long, as they rapidly build up temperature. Tyres, well all different cars with different setups require differing remedies, but i remember kwinana to have a nice startline. I would agree and say persist with 28-32psi, see what works, maybe avoid excessive burnouts, maybe 1st, then 2nd until you see the "haze" (that is, haze, not cloud), then let the car roll forward with your foot nearly right off the gas until you feel the tyres bite with a little screech. Guys around here manage 60's in the 2.0's using this method. Err on the side of more than less PSI, as a flatter tyre will take more HP to turn. |
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