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Old 04-28-2005   #1 (permalink)
Insane One is offline Rookie

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Default Double clucthing????

I know this might be the dumbest question ever , but how does on double cluth in third gear? My friends and I need this argument settled, Thanx inadvance!

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Sorry for the mispellings been drinkin....
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Old 04-28-2005   #2 (permalink)
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I'm not sure what double clutching is...but if it's the same as Power Shifting(what every1 refers to it as). When you go to shift gears and push the clutch for 3rd gear don't let off the gas and push the clutch in, then shift, and take you oot off the clutch without letting too muchoff the gas. Pretty sure thats how it's done.
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Old 04-28-2005   #3 (permalink)
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Double clutching is a method used on transmissions without synchronizers. It is used for 1st gear only. The process involve engaging the clutch in neutral to get the gears spinning so they don't grind when engaged.

I think all modern transmissions have synchros. I am sure the Mustangs have them.

After you engage 1st gear with the clutch you don't even need the clutch anymore. You can shift by varying the rpm's, racers use this method as it is a faster way to shift.
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Old 04-28-2005   #4 (permalink)
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:thumbup your right! I do it on my motorcycle all of the time. Havent tried it in the stang... dont think i ever will. I beat everyone by a good enough distance already haha!
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Old 04-28-2005   #5 (permalink)
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As a sixty year old......I'm here to tell you how to double clutch!!!
As teenagers back in the 50's and 60's we rarely doubled cluched because even back then as has been reported, the transmissions had syncro's. We did have to engage in this exersise when driving cars built in the 30's as well as on most trucks.
The procedure was to let out the clutch to get the vehicle moving in first gear. The clutch was then depresed and the transmission was shifted into neutral at the same time the gas peddle was tickled in order to bring the engine revs back up to the same rpm's as the transmission. The clutch was then re-depressed and you continued the shift into 2nd gear. This procedure was repeated for 3rd gear and so on in trucks, but usually wasn't necessary in cars unless you "missed" a shift. Double clutching was always done as well when down shifting to scrub speed. If you really got to know the sound and "feel" of your vehicle's engine/transmission, it was quite easy to shift thru all the gears except first without even using the clutch.
Sorry for the rant..but thanks for the trip down memory lane.
PS
Sorry.. as Turn2 pointed out and I neglected to mention. you had to let the clutch out for a second when you were in neutral to get that transmission back up to revs. Thus the term"double clutch"
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Old 04-28-2005   #6 (permalink)
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Double clutching just for the heck of it, it's still fun...I used to do it from time to time when I felt like...it used to give me the feeling a' la Steve McQueen, but as said, nowadays there is no need for it anymore, thank God for synchro's...
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Old 04-28-2005   #7 (permalink)
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I haven't had anything to double clutch for a LONG time, but I like to double "blip" the throttle when I down shift to keep the revs at the proper level for the lower gear. Sounds really cool too, especially if you have a moded exhaust.
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Old 04-28-2005   #8 (permalink)
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Playboy had a section about double clutching a few months back. My only quesiton is.. what does it accomplish?
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Old 04-28-2005   #9 (permalink)
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In the context of Playboy I would say it gains you another handful.

For drivingit is a more efficient way to shift. If done correctly you don't need syncros.
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Old 04-29-2005   #10 (permalink)
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Quote:
Originally Posted by davyottawa
As a sixty year old......I'm here to tell you how to double clutch!!!
As teenagers back in the 50's and 60's we rarely doubled cluched because even back then as has been reported, the transmissions had syncro's. We did have to engage in this exersise when driving cars built in the 30's as well as on most trucks.
The procedure was to let out the clutch to get the vehicle moving in first gear. The clutch was then depresed and the transmission was shifted into neutral at the same time the gas peddle was tickled in order to bring the engine revs back up to the same rpm's as the transmission. The clutch was then re-depressed and you continued the shift into 2nd gear. This procedure was repeated for 3rd gear and so on in trucks, but usually wasn't necessary in cars unless you "missed" a shift. Double clutching was always done as well when down shifting to scrub speed. If you really got to know the sound and "feel" of your vehicle's engine/transmission, it was quite easy to shift thru all the gears except first without even using the clutch.
Sorry for the rant..but thanks for the trip down memory lane.
PS
Sorry.. as Turn2 pointed out and I neglected to mention. you had to let the clutch out for a second when you were in neutral to get that transmission back up to revs. Thus the term"double clutch"
Your wlecome for the trip down memory lane :thumbsup
And thank u for the info looks like my friend was correct and I was partly wrong I owe him a 12 pack! Happy driving!
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Old 04-29-2005   #11 (permalink)
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Yeah, talk about memories. Double clutching is as explained: with clutch momentarily engaged in neutral between shifts – reduce engine rpm on upshift and increase rpm on downshift – synchronizes engine to trans rpm. Works well to get from 2 -1 even with syncros.



I don’t think power shifting has been properly explained: it’s the act of nearly trashing you trans with every shift, the idea is to reduce neutral lag time between the gears.

While under full power, and never letting off the gas, you apply as much force on the shifter as you can (pulling on backward shifts and pushing on forward shifts) and when you ready to shift, touch the clutch very rapidly . . . and BANG. . . the next gear happens. Only works for upshifting. A good powershifter will sound like an automatic.



Used to do this with the 69 Mach to pull 12.5 et’s; I won’t be trying that with this one (parts & labor were cheaper back then).
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Old 04-29-2005   #12 (permalink)
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My daughter has a ZX2 with a 5 sp and it can be shifted from 1st up thru the gears quite easily without using the clutch. Not power shifting or speed shifting, but at normal intervals. With car in 1st, just before shift into 2nd, let off the gas a little while pulling on shifter to neutral and while giving it a little gas, it goes right into second and so on with no grinding or unusual noises.
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Old 04-30-2005   #13 (permalink)
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I thought power shifting was shifting without using the clutch. I used to do this in my 4banger mustang, just get it near the redline then jam it into the next gear no clutch needed. I didn't believe this could be done till I tried it and believe it or not it worked fine through all the gears without grinding once.
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