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Old 12-17-2009, 06:05 PM   #1
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Shifting without using the clutch

Growing up on the farm driving big trucks we never used the clutch for anything other then getting moving. I find my self doing this a lot while driving my jeep. Does anyone else do this? Also is it bad? I never really asked anyone we just did it.

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Old 12-17-2009, 06:25 PM   #2
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If you're very good it isn't bad. If you grind em till you find em, it's bad.
The reason it's done on big trucks is because there are no sychros so using the clutch is pointless while moving.

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Old 12-17-2009, 10:24 PM   #3
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Yeah its been a while so i have grinded a few lmao.
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Old 12-17-2009, 11:09 PM   #4
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I used to do it all the time. Its all about the RPM's.
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Old 12-18-2009, 09:27 AM   #5
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It's only bad if you grind them. Popping out of gear without the clutch is fine, but I find that my left leg just gets on the pedal everytime my right hand moves to the stick. It's always wierd when I get in the car, which is an automatic, and my leg moves up and goes to depress a clutch pedal that doesn't exist.
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Old 12-18-2009, 09:31 AM   #6
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shifting up no problem down shifting a little more tricky. as long as you dont grindem
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Old 12-18-2009, 09:43 AM   #7
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When I drove trucks, often shifting without the clutch was quicker and smoother, however, there really is no gain not using the clutch in full syncro transmissions.
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Old 12-18-2009, 01:38 PM   #8
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When I drove a truck you had no choice but to shift without the clitch, it had a 4spd trans and a 3 spd brownie auxilary trans and once you got moving the clutch was useless. If you missed a shift it was all over, you had to stop and start over from a stop.

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Old 12-18-2009, 06:04 PM   #9
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Quote:
Originally Posted by csamn2007 View Post
Growing up on the farm driving big trucks we never used the clutch for anything other then getting moving. I find my self doing this a lot while driving my jeep. Does anyone else do this? Also is it bad? I never really asked anyone we just did it.
you can do it however it is bad for the trans. "big truck" drivers do it all the time but it does wear out the trans
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Old 12-18-2009, 08:53 PM   #10
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you can do it however it is bad for the trans. "big truck" drivers do it all the time but it does wear out the trans When done wrong
fixt
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Old 12-19-2009, 12:13 AM   #11
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Quote:
Originally Posted by yjwes View Post
you can do it however it is bad for the trans. "big truck" drivers do it all the time but it does wear out the trans When done wrong
Quote:
Originally Posted by skeeter View Post
fixt
Agreed
I've never had any trans problems for the last 20 years in my rigs.
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Old 12-19-2009, 08:09 PM   #12
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fixt
its common misconception in the trucking world that if you do it the right way or dont grind the gears its ok its just a misconception and still does damage to the trans
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Old 12-19-2009, 08:11 PM   #13
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Agreed
I've never had any trans problems for the last 20 years in my rigs.
tons of truck transmissions are shifted like that some will have problems most wont. in 20 years have you ever had a trans that wouldent hold a gear?
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Old 12-20-2009, 11:28 AM   #14
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No, and I've gone over a million miles on a couple trucks without tranny problems.

What exactly gets damaged if you don't grind or slam?
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Old 12-20-2009, 05:54 PM   #15
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If you have drove semisfor any time at all, its almost a reaction I do it and dont even realize it till my wife or daughter tell me "You're doing it again"
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Old 12-20-2009, 06:55 PM   #16
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If you have drove semisfor any time at all, its almost a reaction I do it and dont even realize it till my wife or daughter tell me "You're doing it again"
I don't know about that. I never mixed up a quadruplex with a Roadranger or my pickup
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Old 12-20-2009, 09:42 PM   #17
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No, and I've gone over a million miles on a couple trucks without tranny problems.

What exactly gets damaged if you don't grind or slam?
gear teeth get rounded off on the sliding clutches and cause the trans to not hold a gear

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