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Rev Matching

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Uncle Rudder View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Uncle Rudder Quote  Post ReplyReply Direct Link To This Post Topic: Rev Matching
    Posted: 16 July 2008 at 9:31pm

When you downshift do you rev match?  Google told me that its good, then later google said it was bad for the clutch.

Google has also given me mixed answer on if in a manual trans car when coasting you use no gas and that the momentum of the car moves the pistons up and down.

 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Da Hui Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 9:33pm
Auto > *
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pntbl freak Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 9:52pm
I dont know what you mean.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote vash357 Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 9:52pm
I would think not rev matching would damage the clutch. I know it's a hell of alot smoother to rev match than just dump the clutch. As for the no gas when coasting thing, that probly depends on the car.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Monk Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 10:00pm
Down shifting you should always get the rpm up as not to blow up your clutch. Its just like reving too high and dumping the clutch.

As for coasting, if you are coasting you might as well just put in on the clutch and let it idle. Unless of course your are braking using your transmission. Then the car will actually move the pistons for the engine, however you are still using the gas that you would normally use in an idle state.

So yes, you will still use gas.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote im_new Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 10:13pm
coast to save on gas, gear down to save on brakes
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rambino Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 10:37pm
I didn't know matching was optional.  Seems rather silly and uncomfortable not to match.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xXK1CK1NVV1NGXx Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 10:54pm
LOL what, I donn't really know what you mean, I just wait till I am at the correct spead and then down shift unless I am purposley downshifting early to break with the transmission.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rambino Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 10:58pm

Originally posted by Da Hui Da Hui wrote:

Auto > *

Out of the car thread.  Now.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote carl_the_sniper Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 11:01pm
Originally posted by Da Hui Da Hui wrote:

Auto > *


Agreed though paddle shifting is pretty awesome.

Screw manual shifting
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Predatorr Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 11:17pm
You have SO much more control over your car if it's manual.

Don't knock it till you've tried it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carl_the_sniper Quote  Post ReplyReply Direct Link To This Post Posted: 16 July 2008 at 11:34pm
Originally posted by Predatorr Predatorr wrote:

You have SO much more control over your car if it's manual.Don't knock it till you've tried it.


Such as?

I hear that from everyone but I'm not sure it would be something that i'd notice at all.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Styro Folme Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 1:09am
Originally posted by carl_the_sniper carl_the_sniper wrote:

Originally posted by Predatorr Predatorr wrote:

You have SO much more control over your car if it's manual.Don't knock it till you've tried it.


Such as?

I hear that from everyone but I'm not sure it would be something that i'd notice at all.
you have absolute throttle control.  An example would be as to where in the snow, an automatic in drive, when the foot is off the breaks still has rotation going to the wheels.  With Manual, you can control how much torque is transferred to the drive wheels in accordance to the amount of traction needed.

You really just have to drive a manual to understand.

Not to mention, manual transmissions are fun as hell.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote .357 Magnum Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 1:13am
Originally posted by Uncle Rudder Uncle Rudder wrote:

manual trans car when coasting you use no gas and that the momentum of the car moves the pistons up and down.

 



What !??!!?


Your pistons are always moving up and down. If they weren't moving your motor would not be running.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RoboCop Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 1:21am
I would think keeping the car in gear while going downhill would use more gas than having the car in neutral. Lower RPMs means less gas.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pate Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 1:24am
If you are out of gear, the motor is just idling cause its not making the connection with the rest of the drivetrain.

It feels good to be a gangster
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Post Options Post Options   Thanks (0) Thanks(0)   Quote evillepaintball Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 2:05am
Originally posted by Styro Folme Styro Folme wrote:



You really just have to drive a manual to understand.

Not to mention, manual transmissions are fun as hell.

also, i rev match.  sometimes, mainly when im shifting up, i wont even use the clutch, just slip it from one gear to the next.


Edited by evillepaintball - 17 July 2008 at 2:15am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carl_the_sniper Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 2:14am
Originally posted by Styro Folme Styro Folme wrote:


Originally posted by carl_the_sniper carl_the_sniper wrote:

Originally posted by Predatorr Predatorr wrote:

You have SO much more control over your car if it's manual.Don't knock it till you've tried it.


Such as?

I hear that from everyone but I'm not sure it would be something that i'd notice at all.
you have absolute throttle control.  An example would be as to where in the snow, an automatic in drive, when the foot is off the breaks still has rotation going to the wheels.  With Manual, you can control how much torque is transferred to the drive wheels in accordance to the amount of traction needed.


Couldn't I just downshift?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote evillepaintball Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 2:17am
to an extent.

also with a manual you can get far better gas mileage than with an automatic.


Edited by evillepaintball - 17 July 2008 at 2:18am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote .636 Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2008 at 2:37am
Originally posted by Rambino Rambino wrote:

Originally posted by Da Hui Da Hui wrote:

Auto > *

Out of the car thread.  Now.



Rambs, your just a young kid who thinks its cool and bad ass to have a car thats manual. There is no need for a manual transmission car these days unless you want to look cool infront of your friends.


When your coasting there is still fuel going into the engine. Same amount of fuel as when you are idling.


Edited by .636 - 17 July 2008 at 2:38am
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