'05 Tacoma really fast!

[v8Toilet]

Originally Posted by XRunner17

The 0-60 times car and driver comes up with are basically irrelevant to the effects it has on the truck itself. The point of their testing is to see how fast the car (or truck) can get to that speed from zero, not how fast they can get the car (or truck) to sixty under normal driviving conditions. TEAR IT UP!

Hey you're right about that and you make a good point.

Car and Driver 0-60 times are irrelevant though if one tries to say that their times are indicative of real world 0-60 times because street cars are not designed to be driven like that. The street 5-60 mph time is a better comparable time because with that they can’t or I hope they don’t dump the clutch @ the engines redline.

[jayotto4]

Originally Posted by ThomasE

Did anyone read the latest issue of Car & Driver? It reviews a '05 Tacoma double cab 4x4 V6 manual, it does 0-60 in 7.4!

Governed at 112mph. Been there; done That!

[2K1TRD]

I recorded a 6.8 0-60 and a 15.4 @94 mph in a 05 Tundra access cab V8 with my G-tech meter.(test drive)

[sdg71]

Originally Posted by 2K1TRD

I recorded a 6.8 0-60 and a 15.4 @94 mph in a 05 Tundra access cab V8 with my G-tech meter.(test drive)

Wow!!

I have had 3 tundras, and I must admit my 05 access cab is by far the fastest. I didn't realize we were talking about a 7 second truck though. It is definetely as fast as the new tacoma, and they are doing 6.8-7.4 (depending on 2wd or 4wd) so I believe that number. I am guessing you tested a 2wd??

[ttman]

so um, just how many of these "800+ HP" supras do u really have?

Originally Posted by Supra

I have personally power shifted some of my 800+ HP Supras (and at as high as 7800 RPM's) and have never had a trans problem. I don't anymore as it's not really needed.

[2K1TRD]

Originally Posted by sdg71

Wow!!

I have had 3 tundras, and I must admit my 05 access cab is by far the fastest. I didn't realize we were talking about a 7 second truck though. It is definetely as fast as the new tacoma, and they are doing 6.8-7.4 (depending on 2wd or 4wd) so I believe that number. I am guessing you tested a 2wd??

Um,the new Tacoma is no match for the Tundra.I have driven a few already including the 6 spd and does not compare to the Tundra as far as power.I forgot to mention that while testing the tundra with the G-tech,i has trouble getting traction and had to pedal 1st gear wich affects the 0-60 and 1/4 mile numbers.If you noticed that it ran 94 in the 1/4 wich is good for 14 sec 1/4 mile times with traction.I ran a 14.5 with my S/C Tacoma at 94 mph at the track.Oh the Tundra was 4wd model also.I'm a pretty good judge of speed and must say that the new Tundra would give my S/C Taco a pretty good run on the street.Also the truck had 10 miles on it and is still tight.Adding exhaust and a free flowing filter would probably wake it up even more!...

[sdg71]

If you look at power to weight ratios between the two, the tacoma actually has the slight advantage:

2005 4x4 Tundra Access Cab TRD: 282 hp, 325 lb-ft torque, 4700 lbs

hp/weight: 16.7
torque/weight: 14.5

2005 4x4 Tacoma Access Cab TRD: 245 hp, 283 lb-ft torque, 4000 lbs

hp/weight: 16.3
torque/weight: 14.2

But, I am not disagreeing with you. While I haven't driven the new Taco, I have ridden in one, and I notice that my 05 tundra gets off the line faster. While the tundra does weigh more, over 40 additional lb-ft of torque at a lower RPM does help.

My other two tundras (2002 access cab, 2004 double cab) couldn't power brake at all (5,000 ft elevation kills a lot of power), but with the slightest touch of the break I can get both tires spinning very easily and pull off 50 ft skidmarks. (toyota, you didn't hear that - I was just doing it to test the safety adhesion of the tires)

Most people will note that the 05 Tundra doesn't have much of a torque increase over the 00-04 (10 ft-lb) but what makes such a difference is the 5-speed tranny. 1st gear is 17% lower, meaning 17% greater torque multiplication to the rear wheels. 2nd and 3rd are 21% and 25% lower geared. The tranny helps to boost low end torque to the rear wheels, and the upgrades to the 05 engine help to boost HP in the mid-high rpm range.

Another interesting fact, if you overlap the 00-04 and 05 HP and torque curves, you will notice that the VVTi really helps to open up high torque as well as hp. At 5,000 rpm the 05 4.7 V8 is making 50 more lb-ft of torque than the 04 4.7 V8.

I am attaching a word file with the excel sheets that I made. I took the hp/torque curves from the technical knowledge sections here at TS.

[jon_lozon]

Originally Posted by sdg71

If you look at power to weight ratios between the two, the tacoma actually has the slight advantage:

2005 4x4 Tundra Access Cab TRD: 282 hp, 325 lb-ft torque, 4700 lbs

hp/weight: 16.7
torque/weight: 14.5

2005 4x4 Tacoma Access Cab TRD: 245 hp, 283 lb-ft torque, 4000 lbs

hp/weight: 16.3
torque/weight: 14.2

But, I am not disagreeing with you. While I haven't driven the new Taco, I have ridden in one, and I notice that my 05 tundra gets off the line faster. While the tundra does weigh more, over 40 additional lb-ft of torque at a lower RPM does help.

My other two tundras (2002 access cab, 2004 double cab) couldn't power brake at all (5,000 ft elevation kills a lot of power), but with the slightest touch of the break I can get both tires spinning very easily and pull off 50 ft skidmarks. (toyota, you didn't hear that - I was just doing it to test the safety adhesion of the tires)

Most people will note that the 05 Tundra doesn't have much of a torque increase over the 00-04 (5 ft-lb) but what makes such a difference is the 5-speed tranny. 1st gear is 17% lower, meaning 17% greater torque multiplication to the rear wheels. 2nd and 3rd are 21% and 25% lower geared. The tranny helps to boost low end torque to the rear wheels, and the upgrades to the 05 engine help to boost HP in the mid-high rpm range.

Another interesting fact, if you overlap the 00-04 and 05 HP and torque curves, you will notice that the VVTi really helps to open up high torque as well as hp. At 5,000 rpm the 05 4.7 V8 is making 50 more lb-ft of torque than the 04 4.7 V8.

I am attaching a word file with the excel sheets that I made. I took the hp/torque curves from the technical knowledge sections here at TS.

my dad has an 03 s/c 2wd t3 tundra, with headers and exhaust. its a high 14 sec truck at our alt. my x is neck to neck with him the whole time, bs the new 05 tundra is faster than the tacoma. it has what 35 less hp but 1000 less, and a 6 speed? hmmm

[DCTundraGA]

Originally Posted by sdg71

Most people will note that the 05 Tundra doesn't have much of a torque increase over the 00-04 (5 ft-lb) but what makes such a difference is the 5-speed tranny.

Actually there is a 10 ft-lb difference between the '04 and '05.

[v8Toilet]

Originally Posted by sdg71

If you look at power to weight ratios between the two, the tacoma actually has the slight advantage:

2005 4x4 Tundra Access Cab TRD: 282 hp, 325 lb-ft torque, 4700 lbs

hp/weight: 16.7
torque/weight: 14.5

2005 4x4 Tacoma Access Cab TRD: 245 hp, 283 lb-ft torque, 4000 lbs

hp/weight: 16.3
torque/weight: 14.2

But, I am not disagreeing with you. While I haven't driven the new Taco, I have ridden in one, and I notice that my 05 tundra gets off the line faster. While the tundra does weigh more, over 40 additional lb-ft of torque at a lower RPM does help.

My other two tundras (2002 access cab, 2004 double cab) couldn't power brake at all (5,000 ft elevation kills a lot of power), but with the slightest touch of the break I can get both tires spinning very easily and pull off 50 ft skidmarks. (toyota, you didn't hear that - I was just doing it to test the safety adhesion of the tires)

Most people will note that the 05 Tundra doesn't have much of a torque increase over the 00-04 (5 ft-lb) but what makes such a difference is the 5-speed tranny. 1st gear is 17% lower, meaning 17% greater torque multiplication to the rear wheels. 2nd and 3rd are 21% and 25% lower geared. The tranny helps to boost low end torque to the rear wheels, and the upgrades to the 05 engine help to boost HP in the mid-high rpm range.

Another interesting fact, if you overlap the 00-04 and 05 HP and torque curves, you will notice that the VVTi really helps to open up high torque as well as hp. At 5,000 rpm the 05 4.7 V8 is making 50 more lb-ft of torque than the 04 4.7 V8.

I am attaching a word file with the excel sheets that I made. I took the hp/torque curves from the technical knowledge sections here at TS.

Hey thanks for the information. Judging from those graphs the earlier i-force has more area under the curve below 3000 rpm or put another way makes a little more low end torque in that rpm range.

Using my drag racing computer simulation program I came up with computer modeled simulations of acceleration comparing the 04 Tundra to the 05 Tundra with all variables being the same except for engine and transmission. I used the torque and horsepower data you’ve provided. Track elevation is 90 ft, temperature is 70 F, humidity is 60%, and the barometer is 29.82. The shift rpm is 5300 for the 04 and 5500 for the 05.

The 2004 Tundra reaches 60 mph in 7.76 seconds and reaches the quarter mile in 15.9 seconds @ 85.9 mph. The 2005 Tundra reaches 60 mph in 6.74 seconds and reaches the quarter mile in 15.14 seconds @ 89.7 mph.

It’s interesting that when I drop the shift RPM to 3500 RPM for both trucks that the acceleration times become closer because the 2004 engine is making more torque than the 2005 engine in those RPM ranges even though the 2005 has more gear multiplication.

Shifting @ 3500 rpm the 2004 Tundra reaches 60 mph in 10.1 seconds and reaches the quarter mile in 17.3 seconds @ 77.9 mph. Shifting @ 3500 rpm the 2005 Tundra reaches 60 mph in 9.2 seconds and reaches the quarter mile in 16.84 seconds @ 79.6 mph. This may be why the 2005 sometimes doesn’t feel quicker than an earlier year during at test drive because most people don’t push the new truck this hard. This may especially be true if you have done breathing modifications to your truck.

Using the same model shifting at 5300 and 5500 RPM only now adding headers and a spintech muffler to the 2004 Tundra here is what I get compared to that stock 05.

The 2004 Tundra reaches 60 mph in 7.13 seconds and reaches the quarter mile in 15.42 seconds @ 88.3 mph. The 2005 Tundra reaches 60 mph in 6.74 seconds and reaches the quarter mile in 15.14 seconds @ 89.7 mph.

Using the same model shifting at 3500 RPM only now adding headers and a spintech muffler to the 2004 Tundra here is what I get compared to that stock 05.

Shifting @ 3500 rpm the 2004 Tundra reaches 60 mph in 9.22 seconds and reaches the quarter mile in 16.72 seconds @ 79.8 mph. Shifting @ 3500 rpm the 2005 Tundra reaches 60 mph in 9.2 seconds and reaches the quarter mile in 16.84 seconds @ 79.6 mph.



I've attached a comparison of gear ratios and peak torque at the wheels.

[sdg71]

Nice work V8Toilet!! That program seems to get pretty accurate times.

Could you do me a favor?

Could you run that same test on the 05 Tundra at 5,000 ft? I have done a couple of stopwatch runs (not very accurate I know, but it's all I have right now) and at about 40°F, 20% humidity, 5,000 ft I am getting about 9 seconds flat. My truck is an access cab, 4x4 (about 4700-4800 lbs dry, probably about 400 lbs more with me and gas in it).

Thanks!

[sdg71]

Originally Posted by jon_lozon

my dad has an 03 s/c 2wd t3 tundra, with headers and exhaust. its a high 14 sec truck at our alt. my x is neck to neck with him the whole time, bs the new 05 tundra is faster than the tacoma. it has what 35 less hp but 1000 less, and a 6 speed? hmmm

I wasn't comparing the x-runner. I was talking about access cab, 4x4, automatic configurations. And with the tundra and tacoma in those configurations having nearly identical power/weight ratios, the tundra can run with the tacoma. The taco has been tested around 7.4 sec 0-60, I am betting the equivalent tundra would be about 7.2 (because of its torque coming on earlier)

[dbinary]

I went from a (13.5 yr old) '91 4 cyl Cammary to a 05 tacoma 4x2 prerunner v6. it may not actually be 0-60 in 7.4 seconds, but it's VERY close and VERY fast when I push on the pedal. 2000 miles, and so far I've managed to keep it under 80 mph. yes, it's hard to do, but I am hoping that this one will last 13.5 years too!

[v8Toilet]

Originally Posted by sdg71

Nice work V8Toilet!! That program seems to get pretty accurate times.

Could you do me a favor?

Could you run that same test on the 05 Tundra at 5,000 ft? I have done a couple of stopwatch runs (not very accurate I know, but it's all I have right now) and at about 40°F, 20% humidity, 5,000 ft I am getting about 9 seconds flat. My truck is an access cab, 4x4 (about 4700-4800 lbs dry, probably about 400 lbs more with me and gas in it).

Thanks!

Total weight 5100 lbs 0-60 in 8.44 seconds and the quarter mile in 16.45 seconds @ 84.2 mph.

[mktacoma]

Originally Posted by XRunner17

The 0-60 times car and driver comes up with are basically irrelevant to the effects it has on the truck itself. The point of their testing is to see how fast the car (or truck) can get to that speed from zero, not how fast they can get the car (or truck) to sixty under normal driviving conditions. TEAR IT UP!

I agree. Actually it really doesn't matter what conditions they drive at as long as they are consistant with their procedure. If they are tearing the crap out of the tranny and engine for all their test drives, the numbers should compare/contrast well. I don't care about absolutes...I care about how it compares. If I had a 60 sec 1/4 mile time and everyone else had a 90 sec 1/4 mile time, I really couldn't give a damn if it was slow...I'm still the fastest and everyone would think I had a damn fast car. My $1,000,000.00 worth LOL