From 6th gear back into 3rd gear a bad idea? - Ford Mustang Forum
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post #1 of 40 (permalink) Old 11-26-2012 Thread Starter
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Question From 6th gear back into 3rd gear a bad idea?

There's been a handful of occassions where I was cruising at 65mph on the freeway...only to have to put it into 3rd gear to avoid getting sandwiched or hit by someone changing lanes into me...will this practice kill my tranny? Or is there a better way to accelerate out of a jam?


Last edited by magnido45; 11-26-2012 at 11:29 AM. Reason: mistype
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post #2 of 40 (permalink) Old 11-26-2012
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should be ok, I will suggest 4th instead. What gears are you running?


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post #3 of 40 (permalink) Old 11-26-2012
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It won't necessarily do any harm to the trans, however I wouldn't recommend it due to the chance it could cause the rear tires to lose traction and as a result you the driver losing control of the car. Going from 6th to 3rd causes a huge change in engine speed which could overwhelm tire grip. I recommend 6th to 5th.
 
post #4 of 40 (permalink) Old 11-26-2012 Thread Starter
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should be ok, I will suggest 4th instead. What gears are you running?
Thanks for the reply, Strange Mud...I have 3.31 gears.
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post #5 of 40 (permalink) Old 11-26-2012 Thread Starter
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Quote:
Originally Posted by Grimace427 View Post
It won't necessarily do any harm to the trans, however I wouldn't recommend it due to the chance it could cause the rear tires to lose traction and as a result you the driver losing control of the car. Going from 6th to 3rd causes a huge change in engine speed which could overwhelm tire grip. I recommend 6th to 5th.
Thanks, Grimace427...will keep your suggestion in mind. I'm afraid at 65mph in 6th gear, I'm only at around 1800 rpms on the tachometer...if I put it into 5th, I don't know if I can accelerate fast enough since I have a split second to react.

Last edited by magnido45; 11-26-2012 at 11:44 AM. Reason: mistype
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post #6 of 40 (permalink) Old 11-26-2012
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I agree on the loss of tire grip..mine chirps when I do it. I have been going back to 3rd on manual mustangs for years, they were all 5 spds and not 6, but when I started driving this new coyote with 6 I just started doing it out of habit..she really jumps with 3.73s at 60 mph.

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post #7 of 40 (permalink) Old 11-26-2012
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I go from 6th to 4th for passing and it's been plenty of power, even on a hilly highway. This is from a v6. Like others have said, it's pretty dangerous traction wise.
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post #8 of 40 (permalink) Old 11-26-2012 Thread Starter
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Thanks guys...I will try to keep in mind that 4th gear will be a safe choice when I need to "get me out of this jam" downshift.
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post #9 of 40 (permalink) Old 11-26-2012
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I've never done 6th to 3rd (intentionally) I have practiced 5th to 3rd or 4th for passing moves on two lane roads....with the tight gates I did have to learn how to hit this successfully. I still practice it once in a while for fun. if you do have the v8 4th should be all you need remember to be quick on the gas to rev match.

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post #10 of 40 (permalink) Old 11-26-2012 Thread Starter
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Quote:
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...if you do have the v8 4th should be all you need remember to be quick on the gas to rev match.
I do have the V8...Definitely need practice in this area...thanks.
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I've done this before on accident on an intential 6 to 5 but hit 3rd instead. The transition was EXTREMELY abrupt and scared the poo out of me because the tires broke traction but everything is fine.
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This is something I do every day, either as a way to maneuver in traffic or just something to amuse myself. I have drag radials so I don't know these traction issues you guys are talking about.


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Quote:
Originally Posted by Grimace427 View Post
It won't necessarily do any harm to the trans, however I wouldn't recommend it due to the chance it could cause the rear tires to lose traction and as a result you the driver losing control of the car. Going from 6th to 3rd causes a huge change in engine speed which could overwhelm tire grip. I recommend 6th to 5th.
If he rev matches to about 4400 RPMs before he puts it into 3rd it should transition smoothly and not loose grip (at least on dry roads)but I agree for most situations 6th to 4th or 5th should be just fine for an avoidance maneuver.
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If he rev matches to about 4400 RPMs before he puts it into 3rd it should transition smoothly and not loose grip (at least on dry roads)but I agree for most situations 6th to 4th or 5th should be just fine for an avoidance maneuver.

I think the OP pseudo implied that he wasn't rev matching in his third post. But either case, yeah, I rev match 3rd all the time from 6th. I tend to try and learn from my goofs.
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Depends how far down you are going, but I would imagine 4th would be fine if you can handle it. There is nothing wrong with 3rd though, just be sure to rev match.

Others: what is this loss of traction you speak of??? Ride the clutch much?


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