<VV> Rookie Driver

[kcvair at netscape.com]

It's much easier to change a set of brakes than to change a clutch.  However, I do also use the engine at times to slow the car down when I don't have to make a quick stop.  I will not stick it into 3rd gear when doing 65 or 70MPH, that will most certainly stress the drivetrain.  If I was on the race course, now that would be a different story.  
Ken Clark, 66 Corsa A/C Cn, 65 Corsa cp


--- corvairduval at cox.net wrote:

From: Frank DuVal <corvairduval at cox.net>
To: Norm Witte <norman.witte at comcast.net>
Cc: virtualvairs at corvair.org
Subject: Re: <VV> Rookie Driver
Date: Sat, 02 Dec 2006 00:42:23 -0500

Thoughts? I've got lots of them, and some may even be right. It's the 
knowing which that  is difficult. ggggg

Brakes are designed to stop the car. They are wearing while stopping, 
but are cheap and easy to replace.

Engine compression alone will not stop a car in any reasonable time. You 
will still have to use the brakes for a full stop. The clutch is in wear 
mode everytime you step on it. Actually two times for eveytime you step 
on it, just not as much wear on the downward cycle. And if you double 
clutch to save wear on sychronizers, that is four wear times per shift.

That brings up the other point I was making, it is not just the clutch 
face that is wearing. The synchronizers wear most on downshifts. Also in 
spirited downshifting, wear is accelerated on U-joints, ring & pinion 
gears, etc. Not to mention the clutch cable and pulleys.

I think transmission synchronizers are the real expensive and difficult 
parts to replace because of downshifting.

Frank DuVal



Norm Witte wrote:

>I had a thought on this item of conventional wisdom.  It's true that the brakes are cheaper and easier to replace.  However, brakes are always in a wear mode except when competely disingaged or when the car is stopped.  The clutch, on the other hand, is only in a wear mode when slipping.  Once you have downshifted, you are using engine compression, not the clutch or the brakes to decelerate.  You are adding shifts, so from that standpoint you are increasing wear on the clutch, but I hardly think you would wear out the clutch that way.  Thouughts?
>
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