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Strongest and weakest gear?


f_399

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4th isint really a gear, its your torque converter locked giving you a 1:0.79 ratio, its not really a gear though. 3rd gear is 1:1 so its putting out the exact power you engine is putting down minus rotating mass losses. 1st gear is your most powerful at 2.9:1 it pretty much steps down from there.

 

DISCLAIMER: The ratios stated are slightly different depending on the year and the car, the 4t60 came in many gear combinations from 2.97 - 3.33 fdr

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wow thats complicated stuff

 

you will find out how weak the 3100 is when your on 3rd! :) i had a hard time keeping up with a 4 cylinder hyundai! nuthings wrong with my car its running great... i guess its the lack of power

 

so in a dyno your on 3rd?

 

manitcor- this is funny, we are posting the same things in 2 different forums

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4th isint really a gear, its your torque converter locked giving you a 1:0.79 ratio, its not really a gear though.

Is that entirely true? At light throttle, my converter locks up in 3rd, and then 4th comes after that. I don't think the converter is locking up twice.

 

A long time ago, before I knew anything about lockup torque coverter autos, I thought my car was shifting 5 times, lol. I didn't realize until I started talking to people that one of those "shifts" was the TCC locking up.

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4th isint really a gear, its your torque converter locked giving you a 1:0.79 ratio, its not really a gear though.

 

Wow, post that on the 3800pro and you'll get suspended for too many laughs :wink: . 4th gear is it's own gear, with the clutches and all that stuff.

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The 4T60-E does have four mechanical 'gears'..........IIRC...

 

2.92

1.87

1.00

0.705

 

I could be wrong.....but there are four different mechanical gear ratios. Plus, the the torque converter can lock up, so there isn't any slippage through that.

 

The TCC only comes on in 4th gear.

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The 4T60-E does have four mechanical 'gears'..........IIRC...

 

2.92

1.87

1.00

0.705

 

I could be wrong.....but there are four different mechanical gear ratios. Plus, the the torque converter can lock up, so there isn't any slippage through that.

 

The TCC only comes on in 4th gear.

 

Yup, thats right. there are 4 mechanical gears and the lockup torque. And the convertor in both my regals lock up in 3rd gear under light acceleration.

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Yup, thats right. there are 4 mechanical gears and the lockup torque. And the convertor in both my regals lock up in 3rd gear under light acceleration.

 

Same here on my 93 GP. Its easiest to spot going up a hill on light throttle...you can count the gear and TCC lockups. Best if the hill tapers off near the top.

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Sometimes...with certain transmissions... REVERSE is the strongest gear. I was able to get rubber in my '86 in reverse better than in 1st forward... EH? V-8 was twisting the frame off the drive wheel, plus, the reverse gear was just higher numerically than 1st forward.

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Yup, thats right. there are 4 mechanical gears and the lockup torque. And the convertor in both my regals lock up in 3rd gear under light acceleration.

 

Same here on my 93 GP. Its easiest to spot going up a hill on light throttle...you can count the gear and TCC lockups. Best if the hill tapers off near the top.

 

 

so will that make it feel like '5' gears?

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The 4T60-E does have four mechanical 'gears'..........IIRC...

 

2.92

1.87

1.00

0.705

 

I could be wrong.....but there are four different mechanical gear ratios. Plus, the the torque converter can lock up, so there isn't any slippage through that.

 

The TCC only comes on in 4th gear.

FWIW, on my 4T60, the TCC engages in 3rd gear too.

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My 1st tops out at ~50MPH, 2nd at ~90MPH and I never topped out 3rd(~145MPH), so I guess I don't know which one is my strongest :shrug: 4th theoreticaly goes to ~230 at 6000RPM... Damn, I need moo pawaaaa!

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