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      08-22-2017, 04:10 AM   #18
HighlandPete
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Drives: BMW F11 535i Touring
Join Date: Mar 2007
Location: Scotland, Highland Region

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Quote:
Originally Posted by nozydog View Post
+1 to pretty much all the above replies... I'm 52 and still too young to even bother asking what double clutching is because (from reading above what it is) it sounds to me like it's totally irrelevant in a modern car.

Now rev matching... sure I always did that until I got a car that does it for me!
Double declutching was necessary for correct gear changing in 'crash' gearboxes, even beneficial for low speed changing in vehicles with no synchromesh on first gear. My first owned car (built 1965) had synchro on all four gears. Original Mini (even in our 1968 model) hadn't got synchro on first gear.

When I was first driving one of our vehicles had a crash box. Absolutely necessary to perfect the skill of double declutching along with rev matching. Of recent years only when driving light HGV and plant has double declutching been necessary.

Rev matching has always been part of good driving practice, whatever the MT. I'm surprised it even has to be questioned.
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