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-   -   Clutch drops and burnouts (https://www.rx8club.com/rx-8-racing-25/clutch-drops-burnouts-121698/)

evilmiata 07-11-2007 09:11 AM

Clutch drops and burnouts
 
I've never done one in the 8. I'm too afraid of breaking something. Sure, a stock 8 shouldn't have much problem, but I'm still gun shy. The rear end doesn't look much beefier than the stock one that was in the Miata (Now has a TII back end). When I pulled the stock one, the turning gears felt and sounded like a bicycle chain half engaged.

What RPM are you guys dropping the clutch at?

mysql101 07-11-2007 09:27 AM

1500.

I think I've only dropped the clutch higher once, and that was about 3500 rpm.

CosmosMpower 07-11-2007 12:13 PM

Launching at high RPMS isn't a problem just make sure you basically sidestep the clutch and don't feather it or you will do some damage. As long as the tires spin and the shock isn't going to the driveline you'll be ok. The S2000 is famous for the same thing, most people break rear diffs launching at 3000 rpms and bogging rather than high rpms.

yiksing 07-11-2007 08:38 PM

Sidestep?

MrSuicideDoor 07-11-2007 09:28 PM

http://www.oandp.com/edge/issues/art...g1Sidestep.jpg

MazdaManiac 07-11-2007 09:53 PM

I drop it from wherever.

http://www.mazdamaniac.com/Backwards%20Drag%20Race.htm

Its a car. Drive it. If it breaks, don't do that again.

chickenwafer 07-11-2007 10:37 PM


Originally Posted by MazdaManiac (Post 1966215)
I drop it from wherever.

http://www.mazdamaniac.com/Backwards%20Drag%20Race.htm

Its a car. Drive it. If it breaks, don't do that again.

ahh, fun times. We need to do more backwards drag racing sometime!

WHat the fuck are you doing!!

MazdaManiac 07-11-2007 10:39 PM

With the doors up. It'll look like a scene from "Transformers".

chickenwafer 07-11-2007 10:51 PM

YES!! haha. You could dub it so Optimus Prime says, "Transform and roll out" and then we burn rubber. I see an academy award already!

swoope 07-12-2007 12:23 AM


Originally Posted by evilmiata (Post 1964910)
I've never done one in the 8. I'm too afraid of breaking something. Sure, a stock 8 shouldn't have much problem, but I'm still gun shy. The rear end doesn't look much beefier than the stock one that was in the Miata (Now has a TII back end). When I pulled the stock one, the turning gears felt and sounded like a bicycle chain half engaged.

What RPM are you guys dropping the clutch at?

depends on what is powering the rx8...

duh,,

na, ~ 4500 rpm. and a bit of a feather works pretty good..

beers :beer:

Flashwing 07-12-2007 07:40 AM


Originally Posted by MazdaManiac (Post 1966215)
I drop it from wherever.

http://www.mazdamaniac.com/Backwards%20Drag%20Race.htm

Its a car. Drive it. If it breaks, don't do that again.

Glad to see you got the video! My absent mindedness keeps forgetting to put it on DVD for you.

Let me know if you still need that.

MazdaManiac 07-12-2007 12:41 PM

I do need it. That is just a low-res capture of the YouTube entry.

Rhythmic 07-12-2007 01:06 PM


Originally Posted by yiksing (Post 1966108)
Sidestep?


+1...???

Rhythmic 07-12-2007 01:09 PM


Originally Posted by MazdaManiac (Post 1966215)
I drop it from wherever.

http://www.mazdamaniac.com/Backwards%20Drag%20Race.htm

Its a car. Drive it. If it breaks, don't do that again.


I always wondered how you got all the chicks in your avatars!!:bowdown:

eviltwinkie 07-12-2007 01:09 PM

Haa haa...nice...reverse drag racing...so THAT's why our car doesn't do well drag racing forward...makes sense meow...

8is>enuff 07-12-2007 02:27 PM

Um... did you just say meow?

Side step:

1. - Put the clutch to the floor.
2. - Rev engine.
3. - Slide left foot to the left side (as opposed to lifting your foot straight up).

You should go try it meow.

MazdaManiac 07-12-2007 02:45 PM

Its a pretty common technique. Its call "burning the clutch".

eviltwinkie 07-12-2007 02:48 PM


Originally Posted by MazdaManiac (Post 1967351)
Its a pretty common technique. Its call "burning the clutch".

I'm sorry but you need to resubmit your answer in the form of a meow...

MazdaManiac 07-12-2007 03:01 PM

1 Attachment(s)
Sorry.

https://www.rx8club.com/attachment.p...1&d=1184270469

TeamRX8 07-12-2007 03:25 PM

sidestep anywhere from 4000 - 7000 rpm depending on the tire/surface grip

not aware of any SCCA Pro Solo drivers having any issues breaking from the launch abuse

MazdaManiac 07-12-2007 03:47 PM

Well, 7k clutch dumps are not a typical launch for SCCA, seeing as how you will be turning before you have traction!

mp5 07-12-2007 03:59 PM


Originally Posted by MazdaManiac (Post 1967456)
Well, 7k clutch dumps are not a typical launch for SCCA, seeing as how you will be turning before you have traction!

Team is referring to Pro Solo events, in which we do launch the car hard. We have a side-by-side drag race start with a short straight before we get to start turning.

MazdaManiac 07-12-2007 04:12 PM

Ahh. Gotcha! Cool!

eviltwinkie 07-12-2007 04:12 PM


Originally Posted by MazdaManiac (Post 1967365)
Sorry.
WICKED FUNNY PIC HERE...

Haaa....Bloody brilliant...

Touche...

eviltwinkie 07-12-2007 04:13 PM


Originally Posted by mp5 (Post 1967474)
Team is referring to Pro Solo events, in which we do launch the car hard. We have a side-by-side drag race start with a short straight before we get to start turning.

Learn new stuff all the time...Weird...but sounds like fun...

TeamRX8 07-12-2007 05:41 PM


Originally Posted by MazdaManiac (Post 1967456)
Well, 7k clutch dumps are not a typical launch for SCCA, seeing as how you will be turning before you have traction!

actually you're still wrong, I find the best way to launch on a start with an immediate 90 deg turn is to launch hard enough to get the tires spinning as I turn the steering wheel, as the car rotates through the turn pause the throttle just a hair and then nailing it will hook up the tires just enough to rocket on down the course as pretty as you please ...

MazdaManiac 07-12-2007 06:16 PM

At 7k?

TeamRX8 07-12-2007 07:06 PM

on high grip concrete with DOT-R tires, yes

I launch at 5500 on asphalt with the Advan Neovas and minimal wheelspin :dunno:

it's not what you launch at, it's how you manage the throttle immediately following ...

MazdaManiac 07-12-2007 07:44 PM


Originally Posted by TeamRX8 (Post 1967758)
it's not what you launch at, it's how you manage the throttle immediately following ...

Ain't that the truth.
How many trannies are you on (I'm not being facetious). Is this the second or the third? How about the diff?

I usually dump around 6200 or so and then modulate the throttle to keep the wheels just above the "grabbing point" until the two meet at 3500 RPM or more.
I'm still on my first tranny and diff, so I'm wondering why some have lost one or both with such "drag" type starts.

TeamRX8 07-12-2007 11:33 PM

3rd, but the issue has been blowing out 2nd gear on the 1-2 upshift, never on the launch

mwood 07-12-2007 11:39 PM


Originally Posted by TeamRX8 (Post 1968202)
3rd, but the issue has been blowing out 2nd gear on the 1-2 upshift, never on the launch

You figure out these ain't exactly Jerichos we're playing with, baggy? :lol2:

TeamRX8 07-12-2007 11:47 PM

yeah, I take it a bit easier now on that upshift :uhh:

MazdaManiac 07-13-2007 12:07 AM

I take it, in your racing class a tranny swap is a no-starter?

TeamRX8 07-13-2007 12:08 AM

yes, must be 100% OE except for fluid

CosmosMpower 07-13-2007 09:11 AM


Originally Posted by TeamRX8 (Post 1968202)
3rd, but the issue has been blowing out 2nd gear on the 1-2 upshift, never on the launch

Are you buying those out of pocket or has Mazda foot the bill? I'm still on my first and plan to keep it that way but it appears we have a similar theory on the start so I'm just curious.

TeamRX8 07-13-2007 11:38 AM

out of pocket, they broke while racing, my bad ...


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