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rev matching technique

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Old 05-04-2008, 08:58 PM
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Originally Posted by driftintherain,May 4 2008, 07:28 PM
so since we have synchro double clutching is unnecessary right?
Yes, but like I said, I double-clutch my street car most of the time just to be nice to it (it's a high-mileage BMW).
Old 05-05-2008, 05:06 AM
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huh
Old 05-05-2008, 06:25 AM
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Originally Posted by driftintherain,May 4 2008, 10:28 PM
so since we have synchro double clutching is unnecessary right?
Sure...in the much same way we have a clutch you can slip so rev matching is unnecessary.

Well OK, not exactly. Rev matching saves your clutch like double clutching saves your synchros. But not rev matching can upset the car, where not double clutching only upsets your selection of the gear.
Old 05-05-2008, 06:31 AM
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give formula redline a cigar!!!!
Old 05-05-2008, 06:40 AM
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To add to the mix: you can pull the car out of gear without using the clutch at all if you do it the instant you are between accel and decel and it will come out quite easily, then rev match in nuetral, then clutch in and gear select, then clutch out. In a car with a racing gear box, you can do this without ever touching the clutch pedal. I tried it in a Formaul Ford but found it takes alot more concentration than just old fashioned double clutching. Its easier to just do it the conventional way.

I am always trying to make my downshifts as smooth as possible no matter how I'm driving, it just feels wrong to me even if the timing is off just a little. I never look at the tach either, just listen to engine pitch.
Old 05-05-2008, 08:27 AM
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Originally Posted by SlipAngle79,May 5 2008, 06:40 AM
To add to the mix: you can pull the car out of gear without using the clutch at all if you do it the instant you are between accel and decel and it will come out quite easily, then rev match in nuetral, then clutch in and gear select, then clutch out. In a car with a racing gear box, you can do this without ever touching the clutch pedal. I tried it in a Formaul Ford but found it takes alot more concentration than just old fashioned double clutching. Its easier to just do it the conventional way.

I am always trying to make my downshifts as smooth as possible no matter how I'm driving, it just feels wrong to me even if the timing is off just a little. I never look at the tach either, just listen to engine pitch.
i know what u mean. i do that and i like that feel. however, i have no idea how much it hurts the g'box.

i also shift by feel and want to get 100% creamy smooth.

takes constant practice tho and i seem to get it better when i'm at speed.
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