From: Joe Foley (redmenaced@yahoo.com)
Date: Wed Nov 24 2004 - 18:18:22 PST
Syncros or not, I think it depends a LOT more on HOW
its shifted than on what's in the transmission.
I have 385,000 on the standard transmission of my '83
Chevy truck and I didn't use the clutch except when
starting out, didn't use it to stop, just "adjusted"
the load on the transmission with the gas pedal and
slipped it out. That includes shifting into LOW, too.
At that mileage does it really matter how it was
shifted?? I got more use out of it than it was ever
expected to give!
Joe
--- GOTaM35 <GOTaM35@joetrapp.com> wrote:
> Years ago when I was less mature (I still reserve
> the right to be immature)
> I would double shift vehicles to make myself feel
> like I was driving
> something more than I was (lets face it, a 61 ford
> falcon is no truck).
>
> I have always noticed double shifting a synchronized
> transmission is more
> difficult than just shifting. Your experience may
> differ. One thing to
> consider is the extra wear on the clutch, linkage,
> throw out bearing and
> your leg. I have also noted only the big rigs I
> have driven tend to have
> the gear ratios close enough so that a good bump of
> the clutch and fuel
> petal lets it slide right into the next gear. Also
> don't underestimate the
> ability of the gear in question to slow back down to
> a speed lower than
> desired by the time you push the clutch in and move
> the gear shift.
>
> Besides I think most "real" truckers will say they
> don't double clutch much
> on the up shift, but ALWAYS on the down shift.
>
> Just one opinionated pessimist' take on things.
> Joe Trapp
>
> ----- Original Message -----
> From: "Winget William A Contractor CIV JTFCS J5"
> <William.Winget@jtfcs.northcom.mil>
>
> If Syncros have to spin up the gear clusters to
> allow gears to shift without
> clashing, wouldn't speeding up the transmission
> gears with the engine by
> double clutching accomplish the same WITH less wear
> to the (usually) brass
> syncros?
>
> Doesn't make any sense to me that double clutching
> would damage a syncro,
> rather it would make it's job much easier and last
> much longer. Sure wish
> my Command Car had syncros...
>
>
>
>
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