i always wondered why you couldn't do this, assuming you are doing it so its all under or around 3k rpm of course. why do we have to granny shift? thanks
Originally posted by liloutlaws i always wondered why you couldn't do this, assuming you are doing it so its all under or around 3k rpm of course. why do we have to granny shift? thanks
because it could cause your floor pan to fail, or the welds on your intake manifold might start to blow.
What are you trying to ask man?
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ellerton engrish: "twisties are just as danger"
Originally posted by liloutlaws i always wondered why you couldn't do this, assuming you are doing it so its all under or around 3k rpm of course. why do we have to granny shift? thanks
uh
what are u trying to ask
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The Trapezoid of Death is back.
I'm going to take a shot at what he's saying althought I've double clutched the prelude many times.
"Why do our car's clutch break? Why do we have to granny shift instead of doing the cool stuff?"
^--Beats the heck out of me.
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haha oops i thought i made it more clear...i meant when breaking in a new clutch..why is it bad to heel toe/double clutch? i only assume its bad b/c people posted that they always granny shift when breaking in their clutch. thanks
Originally posted by liloutlaws haha oops i thought i made it more clear...i meant when breaking in a new clutch..why is it bad to heel toe/double clutch? i only assume its bad b/c people posted that they always granny shift when breaking in their clutch. thanks
Oh...naturaly.
I would think because on very aggressive downshifts, you practically drop the clutch after rev matching. If you match perfectly it shouldn't be an issues, but if you mess up it would put more wear than usual on the clutch. The same goes with heel toe. A perfectly executed heel-toe downshift sould't give your clutch too much trouble, but I don't think it's worth it unless you have a racing liscence.
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ellerton engrish: "twisties are just as danger"
When you break-in the clutch you need some wear to occur. Double clutching lessens the wear since there is less friction on the clutch as the engine is revved up to match the speed of the layshaft gears. You won't hurt anything by doing that but it just takes longer for the clutch to be fully broken-in.
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If a man speaks in the middle of a forest
& there is no woman around to hear him,
is he still wrong?
so time to break in clutch is 500 miles..is this 500 full city miles? or is it alrite to throw in some highway miles too? i'm too lazy to always take the local route to work but i do try to stay away from long drives on the highway. i shift at around 3-4k rpm too..shouldn't be a problem right?
Double clutching saves your synchros, not your clutch. Protecting your clutch just requires a simple rev-match (or a heel-toe if you're braking at the same time).
So neither really has any impact during break-in of the clutch - except that a good heel-toe lessens wear, so it would theoretically be beneficial during break-in if you're trying to be gentle.
You'd probably have to talk directly to Exedy or ACT or something to get specifics on what sort of break-in is appropriate.
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Originally posted by liloutlaws so time to break in clutch is 500 miles..is this 500 full city miles? or is it alrite to throw in some highway miles too? i'm too lazy to always take the local route to work but i do try to stay away from long drives on the highway. i shift at around 3-4k rpm too..shouldn't be a problem right?
500 city miles is preferred
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Stupid question, please no flaming but.......Double-clutch and heel-toe......what is it exactly? I'm guessing double-clutching is pressing in the clutch twice to get into gear, but what is heel-toe?
Originally posted by PRelude787 Stupid question, please no flaming but.......Double-clutch and heel-toe......what is it exactly? I'm guessing double-clutching is pressing in the clutch twice to get into gear, but what is heel-toe?
Originally posted by Daemione Double clutching saves your synchros, not your clutch. Protecting your clutch just requires a simple rev-match (or a heel-toe if you're braking at the same time).
If you know exactly how double clutching is carried out you should know that rev-matching is part of the process.
__________________
If a man speaks in the middle of a forest
& there is no woman around to hear him,
is he still wrong?
Originally posted by liloutlaws so time to break in clutch is 500 miles..is this 500 full city miles? or is it alrite to throw in some highway miles too? i'm too lazy to always take the local route to work but i do try to stay away from long drives on the highway. i shift at around 3-4k rpm too..shouldn't be a problem right?
when i got my clutch, i shifted no higher than 3k...until 900 miles of breaking in. it was a pain in the butt but i didn't want to do the "minimum" required ya kno? some people might say that it's excessive, but it's my car, and i want to baby it as much as i can. just don't do peel outs/burnouts/lauches/5->2 shifts immediately.
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