Originally Posted by rice_classic (Post 2582668)

So the moral of the story and 16 pages is:

You can it wrong, or you can do it right and there's more than one way to do either.


edit: who cares.. our Throw out bearings will fail every 50k anyway. Just replace your clutch then. :)

Originally Posted by Celica00 (Post 2582687)

Is there any feasible or logistical way to make a more durable throw out bearing? Why or why not?


I've learned based on the age/profession thread that a hell of a lot of the members here are engineers, so it's a good resource to learn for someone like myself.

Originally Posted by rice_classic (Post 2582668)

So the moral of the story and 16 pages is:

You can it wrong, or you can do it right and there's more than one way to do either.


edit: who cares.. our Throw out bearings will fail every 50k anyway. Just replace your clutch then. :)

Originally Posted by Celica00 (Post 2582687)

Is there any feasible or logistical way to make a more durable throw out bearing? Why or why not?


I've learned based on the age/profession thread that a hell of a lot of the members here are engineers, so it's a good resource to learn for someone like myself.

Originally Posted by rice_classic (Post 2582692)

A: it's only after someone quotes me do I realize I can't type worth sh**.
.

Originally Posted by Celica00 (Post 2582687)

Is there any feasible or logistical way to make a more durable throw out bearing? Why or why not?


I've learned based on the age/profession thread that a hell of a lot of the members here are engineers, so it's a good resource to learn for someone like myself.

Originally Posted by rice_classic (Post 2582661)

I think the difference isn't in the function, but in the application and in the application of the average driver.

Most folks aren't rev matching or double clutching, therefore on a downshift the clutch is speeding up an engine, whereas on an upshift it's slowing it down. The friction disk is being applied to retard or accelerate what is essentially a compressor. The requirement in force to slow down an off-throttle engine is much less than to accelerate one.

To compound this, on a down shift, the clutch re-engagement is generally slower for your typical driver so the delta between where the revs are when the clutch is disengaged to where the revs are when the clutch is re-engaged is greater, aka: even more work.

Originally Posted by Ashikabi (Post 2582512)

Do you have a source on this? I skip gears on the highway all the time when I hammer on it then shift to 6th when I hit 60

Originally Posted by Capt Spaulding (Post 2582555)

Edit: It seems to me that the strain on the synchros is/should be directly proportional to the difference in speeds of the input and output shafts. If you're slowing down and reach a road speed that's compatible with gear ratio/engine speed for the gear you're downshifting into I don't see what excessive stress that puts on the box.

Originally Posted by Tcoat (Post 2582615)

Auto owners ideas of a "clutch".



http://static.theveilcollection.com/...h-Purse-lg.jpg


http://www.theparrotfinches.com/blueclutch0.jpg


http://m5.i.pbase.com/o3/10/634010/1...DSC06554_s.jpg

Originally Posted by soulreapersteve (Post 2582828)

Originally Posted by Ultramaroon (Post 2582741)

At 60 from 5th to 6th there's maybe 500 RPM split? I'm totally spitballing.
But from 3rd at, what, 4500 to 6th at 2500? That's a lot time to squeeze all the lube from between the cones and get 'em cookin' real good.


It's not bad at low speeds because the relative speeds all converge to zero RPM.

It's that 6th-to-3rd shift at highway speed that'll cook the 3rd gear synchro in no time. Those I ALWAYS double-clutch.

Originally Posted by Capt Spaulding (Post 2583050)

Yep. Yep. And, I don't really do that. I'm generally a sequential shift guy. Seldom to never skip gears on the way up and, generally run down the gears coming to a stop. Occasionally, coming to a stop at a light or stop sign, I'll let the car coast in gear down to about 1500 then clutch in and slip into what ever gear would give me 2500 if I needed it. Once stopped, it's into first again. With the way I drive, going from 6th to 3rd at speed, isn't something I've considered doing. I can easily see double clutching that one. On the same page now.

Originally Posted by Capt Spaulding (Post 2583050)

Yep. Yep. And, I don't really do that. I'm generally a sequential shift guy. Seldom to never skip gears on the way up and, generally run down the gears coming to a stop. Occasionally, coming to a stop at a light or stop sign, I'll let the car coast in gear down to about 1500 then clutch in and slip into what ever gear would give me 2500 if I needed it. Once stopped, it's into first again. With the way I drive, going from 6th to 3rd at speed, isn't something I've considered doing. I can easily see double clutching that one. On the same page now.