What is the purpose of the 2024 MT having less power than the auto!.

Just watched a video where the 2024 manual gets a detuned version of the turbo 4. Who in corporate Toyota made that call? Someone who wants to see lower MT uptake? Maybe the MT was faster compared to the auto again? Too fun? Why on earth would you detune it?

It kinda makes Toyota look silly and bureaucratic. Or could it be that they expect more MT uptake in 2024 and need to hit CARB targets? I thought Toyota was trying to shed their ‘boring’ brand persona?

 

The engineering guy (Sheldon) said they had to shave off 8 Horspower do to crankshaft hammering or something like that.

 

Thanks, I looked up the May 2023 post regarding this issue. I wonder if that’s the purpose of the clutch accumulator on current gen Tacomas? I had a 2015 Mustang GT 6 speed with optional 3.55 rear gear. That thing could take non-stop hammering, lol. How hard is it in 2023 to get a manual transmission right for a mid-sized truck? It doesn’t even make 300 hp…geez.

 

It’s 8hp who cares

 

The Manual gets a 4.30 gear ratio compare to the 3.58 in the AT so that 8 HP probably wont even be noticed.

 

You cannot compare rear end ratios without considering the transmission ratios.

 

Right like you said its only 8HP, that minimal loss should easily be made up by the steeper ratio.

 

Op, engineering decisions are often fairly opaque to outsiders who don’t have a big picture view of the project and its requirements.

8hp means nothing and it’s likely just a tuning change to meet a target the engineers needed. Aside from knowing that number in your head, absolutely nothing about your driving experience will change.

 

If you’re talking about it being “made up” in 0-60 times or 1/4 mile or towing, it’s not really possible to know at this point.

between the torque converter action, more gears, and programming, nobody knows how the two trans options would compare without a side by side test…at which point we would need to ask if that’s something anyone even cares about.

If you’re talking about made up in feel,
I doubt anyone would even notice either way

 

I believe the OP was talking about the quickness, my thinking is the 8 HP difference will not be noticed.

 

It definitely won’t, but it’s not possible to know that because of the gear ratios. Too much other confounding BS involved. The torque multiplication in the torque converter, for instance, isn’t quantifiable by us looking at spec sheets.

 

Throw in a K&N air filter and you can get at least 15 HP.

 

skweeeep will make up for it..

 

Wow, the 4th gen gear ratios for the manual are quite a bit different than they are on the 3rd gen.
4th Gen / 3rd Gen
1st - 4.78 / 3.98
2nd - 2.42 / 2.02
3rd - 1.44 / 1.32
4th - 1.00 / 1.00
5th - 0.77 / 0.85
6th - 0.64 / 0.71

Both have the 4.30 rear end. That first gear on the 4th gen is LOW!

 

Better crawler for sure.

 

Reverse is now better too.

 

Now we're talking!

 

Yes, this makes sense. But from a perceptional POV…to the buying public…especially knowing those that opt for a manual trans are very much enthusiasts…it’s a bit of slap in the face. It’s kinda a dumb move.

It makes me think that the block was intended solely for an auto…and it was adopted for a manual (which we sorta knew but now fully understand)…and that brought to the fore some realities that required a ‘work around’. Much like the 3.5 V6 being a passenger car engine…adopted for truck use. You’d think Tacomas sales would justify building a proper dedicated truck engine.

I suppose, in the end, it’s just a business decision.

The Coyote engine in my mustang was a brute…not a whimper from the original clutch after a hard 90k when I traded it in for a Tacoma. No worry of crank hammering. And just to clarify: I’m not a sports car guy wishing the Tacoma could run harder…the mustang was a blip in my vehicle purchase history . I really only buy trucks and know what a truck should drive like. I just want a truck to be dependable and overbuilt to a degree. To me Toyota trucks have always checked that box.

 

It’s 8hp. That’s about the softest “slap in the face” ever.

 

What is "crank hammering"? That is a term I have never heard of, in regards to manual transmissions. More than likely it was a slight detune to increase the durability of the transmission, is my guess.