Shifting Without Using The Clutch

[Norm Peterson]

The Mustang will hold the RPMs for next gear when upshifting. Probably makes it a bit easier.

When upshifting, you need the revs to drop down to what the next gear wants, otherwise the synchros will be working harder.

When revs are held up on a lift-throttle upshift, it's strictly for emissions reasons involving a lean spike under high manifold vacuum conditions for at least one of the regulated pollutants.


Norm

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[iGovernment]

So you just force it out of gear then place it into the next when it is around the correct RPM as normal shifting?

 

[airfuel]

No wonder the MT gets a bad rap....user error!

 

[Norm Peterson]

Once you take the load off the engine, you can easily slip the transmission out of the gear that it was in. It'll practically 'fall out of gear' into the neutral gate with very little force on the shift lever.

To engage the next gear on upshift clutchlessly, you do have to wait for the revs to fall to the appropriate rpm. For a clutchless downshift, you'd have to kick the revs up to the correct higher rpm.


Norm

 

[Gigantor]

Keep in mind that the weakest link in any Mustang transmission , are the shift forks and pins. Clutchless shifting puts a HUGE load on them. One power shift under the wrong conditions can bend a fork, which will cause your transmission to pop out of gear or over engage the gears. Worst case scenario is that the fork breaks, in which case the fragments of the fork get ground up in the gears, coking them up and causing total transmission failure!

 

[NoVaGT]

...One power shift under the wrong conditions can bend a fork, which will cause your transmission to pop out of gear or over engage the gears.....

I just want to assure everyone, I'm only doing this temporarily, at very low RPMs and 0 throttle, because I wrecked my ankle a few days ago.

There's no clutchless "power shifting" happening, just smooth and fluid shifting without using the clutch. It just takes some mechanical sympathy and a smooth, firm touch.

Now I'm pretty much back to using the clutch, so it's all good.

 

[BoomBoy]

I had a friend who destroyed his car's transmission doing clutch-less shifting. I wouldn't recommend it.

 

[Gigantor]

How about another game? How long can you run the Mustang with 4 qts of oil
before it blows up??

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My son drove my mustang and did not check the oil. He came home with a loud noise.
We checked the oil and had to add three quarts. The engine rattled a bit then stopped. He
drove it not even a mile and the engine died and he pulled it over. It would not turn over.
A mechanic said the engine may have froze. What now?

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