Heel toe

[ForcedFirebird]

...try 20-40. You learn to work those pedals quick!


:)

even with the comments and suggestions in this thread, I feel my footwork is efficient enough (except I know I need left foot brake). My problem is not keeping the gas pedal on the floor :/

[Nesset]

I witnessed one of the Pro-3 guys blow up a gearbox... No bueno. Heel toe is a PITA when you wear size 14-1/2's and you're 6'5 in an 02 lmao... Hoping to learn a little at the BMW CCA's car control clinic this month.

[djjerme]

taking a green with a dozen or more cars all very similar to yours.

...try 20-40. You learn to work those pedals quick!


:)

[ELVA164]

I never understood the physics of double- clutching
a heavy, stock- flywheel engine on an upshift. The trans
input shaft slows faster than the engine, and either way, you're just waiting.

Interesting...I wonder if it's just two ways of waiting like you say? I mean, one upside to the double-clutch approach would be less time spent pressing on the synchros of the next higher gear waiting for engagement. More of a tangential bonus. I think I'll probably do it anyway with the Courier for placebo effect if nothing else.

[ForcedFirebird]

And when you're really racing someone, it all goes out the window net and you get
as much speed out of the car as you can, and fix it all later!

t

How true. Even driving the line etc. I never realized this before Spec racing. HPDE, Chump etc doesn't give you the same race craft as taking a green with a dozen or more cars all very similar to yours.

[TobyB]

Yes.

Double- clutching the harder downshifts,
slower shifting on the upshifts.
I never understood the physics of double- clutching
a heavy, stock- flywheel engine on an upshift. The trans
input shaft slows faster than the engine, and either way, you're just waiting.
The synchros talk through the shift lever, so you can tell how well you're doing,
if you shift deliberately.

And when you're really racing someone, it all goes out the window net and you get
as much speed out of the car as you can, and fix it all later!

t

[ELVA164]

Yeah, my questions regarded synchro life. A dog box is a different story because the clutch is only an option in the first place! :-)

That's interesting info about a trans lasting a season or two with aggressive shifts. Toby, do you double clutch or just shift more slowly to help it live?

[ForcedFirebird]

Are you using a clutch stop? Looks like you have an awful lot of clutch pedal travel, so unless your clutch is about shot you can cut a bit of time reducing the pedal travel.

I also notice you leave your foot on the clutch all the time, I found my shifting is much cleaner when I use the dead pedal unless I'm actually shifting. It's also better for the clutch since just the weight of your foot resting on the pedal is nominally reducing the pressure on the clutch.

There is no need to double clutch a synchronized trans, it only wastes time assuming you're getting the throttle blip right and accurately rev matching for the selected gear. A dog box race trans is a different story completely.

The car isn't finished, so there is no dead pedal. There is a clutch stop, but again it's the clutch that was in the car since we got it and has a couple of 14hr chump races on it before this past weekend.

Try to make this long story short, I had my street 4dr e30 for sale to fund my Spec car and borrowed the chump car to get my license. The same day I passed my competition evaluation my dad wrecked my 4dr on t5 Sebring (frame damage). So, I borrowed the chump car again to race this past weekend. Just threw some scrubbed RR's and Bilstein's on, but still didn't have good springs, sway bars, camber plates etc.

Here's an in-cabin race from Sunday. Not very exciting, though. I was more worried about making my no-contact races to complete my license than being competitive. I will use the chump car once again next month, then plan on having the 4dr pulled and caged for Oct.

[Wh33lhop]

There's no NEED to double clutch, but it will cut the synchro wear in half if done right.

[akorcovelos]

Are you using a clutch stop? Looks like you have an awful lot of clutch pedal travel, so unless your clutch is about shot you can cut a bit of time reducing the pedal travel.

I also notice you leave your foot on the clutch all the time, I found my shifting is much cleaner when I use the dead pedal unless I'm actually shifting. It's also better for the clutch since just the weight of your foot resting on the pedal is nominally reducing the pressure on the clutch.

There is no need to double clutch a synchronized trans, it only wastes time assuming you're getting the throttle blip right and accurately rev matching for the selected gear. A dog box race trans is a different story completely.

[ForcedFirebird]

Thanks everyone for watching and the tips etc.

I am still a rookie. Only have 6 Spec e30 races under my belt, lots of HPDE and Chump races too, but that's very different than going out with a pack of 6-12 cars nearly identical to you, and taking a green flag. I still have a lot of work to do on my driving, but it's a blast regardless.

Gotta love that sound!!

m20 power!

[TobyB]

Interesting you E30 guys don't have to double-clutch.

do you preload the shift lever?

aluminum shift forks on 4th FTW! Pro3 guys seem to get a season- or maybe 2, at most-
from a 260.

I was comparing data on a front straight pull as a poor man's dyno, and noticed
that my competitors didn't have steps for shifting, whereas I did.

I'm leaving time on the table.

And the trans in the car.

Although the last fluid that came out of there was pretty alumashiny....

t

[ELVA164]

On a related note, do you preload the shift lever?

[e30s50dan]

Gotta love that sound!!

[econti]

I'd go out and drive just to practice when I was 17, there's nothing stopping you.

This is how I learnt. Picked it up quickly enough
I have super wide feet though, so barely need to rotate my foot to hit the accelerator