To those who have driven other 4.7 Toyotas..

Tried it today. No problem reaching red-line thru the first three gears and nearly there in 4th which was fast enough for highway 40 approaching Lake George. Throttle not at full could be your issue?
Also, I meant to ask, you have checked for resistance (heat build-up) in all your gear boxes and driveline/wheel bearings, right?

I have not. Would this be as simple as getting the wheels off the ground and spinning them?
 
I had an 06 Tundra 4.7 and it would fly (relatively at least). I stomped a cummins, but I'm sure an Ecoboost would have left me.

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This is hilarious! I love how everyone on here talks about how much better there v8 is, I really wanted a v8 limited when I was on my search until I drove the v6 that I bought, way better acceleration plus the benefit of mpg and way less maintenance. My buddy has an atlas t-case in his 08 limited v8 this is the only way I would ever drive one of these, but I still think I would take the v6. The only way you will get power out of these being stuck in awd all the time is a re-gear but this will reduce mpg even further.
 
We have an 05' v8 and an 06' v6. Both are 4x4. I've been trying to tell people for years that the v6 feels way more peppy and the fuel mileage is much better. Granted my v8 has more mileage robbing mods, it would still be 3-5 mpg less than the v6.
I do however like both engines.


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Three 4 runners sitting in my driveway. 2*'04 v6 and a 05 v8. The v8 has terrible acceleration compared to both v6 4runners.
up to what speed?

This is hilarious! I love how everyone on here talks about how much better there v8 is, I really wanted a v8 limited when I was on my search until I drove the v6 that I bought, way better acceleration plus the benefit of mpg and way less maintenance. My buddy has an atlas t-case in his 08 limited v8 this is the only way I would ever drive one of these, but I still think I would take the v6. The only way you will get power out of these being stuck in awd all the time is a re-gear but this will reduce mpg even further.


I would be curious to see actual time slips between the vehicles.

ive driven MANY cars, both fast, and slow. often times the smaller engine cars FEEL peppier, but they do not end up BEING faster.
 
Hi, new owner here, my 2 cents.

I've driven new V6 4Runners a couple of times in the last year, sampling them and various Jeeps and other SUVs to see what I liked best to replace my X1 for better rough off-road performance and durability. I then specifically started targeting the 4th gen V8 4Runner, with the idea that the V8 might avoid the chronic down-shifts the V6 has to execute on the freeway with the cruise control activated in order to maintain speed while going up significant grades. I recently bought an '05 V8 with 150,000 on it, meticulously maintained from an original owner, bone stock. While it too has to downshift to maintain cruise settings on the freeway going up grades (though not as frequently), I do think it has more usable power than the new 5th gen V6 4Runner, especially off the line, where it seems to have better torque. Mine gets up to freeway speeds quite well and has decent passing power. Mind you, I'm used to my 300 hp X1, which is quite fast, so if anything I have slightly unreasonable expectations from the heavier, full time AWD, much lower hp Toyota, but I am actually quite pleased with its performance.

Plus, I love the sound and smoothness of that little V8!

Steve
 
The vvti V8 gets dynoed with a tad more wheel horsepower and 15 ft-lbs more torque than the V6 so I wouldn't blame the slowness you guys feel between the 6 and the 8 on the AWD.

Gadget from URD dynoed his V6 4Runner and got around 208 adjusted wheel horsepower. I've seen the vvti AWD 4runner get 213 adjusted AWD hp so identical HP. V8 vvti has 250 ft-lbs and V6 I have seen gets 235 ft-lbs torque. The only other difference being the V8 weighs 100-200lbs more, maybe?

To me, the V8 is way more fun to drive. If you don't appreciate the V8 rareness or noise, or aren't towing, not loading up with a bunch of armor, or getting large tires, then the V6 is an obvious choice. (Basically if it is a dedicated person hauler).

My brother's FJ gets the same gas mileage if not worse than my V8 with the same mods.
 
sure, the 6 may be as quick (really doubt it, though), but i can guarantee it does not sound near as good as the 8 does. my 8 with full time 4wd is a dang hoot off the line. and that sound...ahh, it's music to the ears. Not a lot of vehicles out there that will allow for a full throttle pull from the line while it's raining. it's a lot of fun to get a jump on some newer muscle cars. i say get a jump because they will come screaming by you by the time you hit 50mph, but you got the jump, that's worth something, right?
 
there is a thread in yota tech forum where they raced v6 vs v8 multiple passes. They are almost identical the v8 beats it to 60 by almost nothing (like .05 of a second) however the v6 beats the v8 in the 1/4 mile every single pass.
 
I haven't owned my 03 very long but it definitely feels sluggish compared to my Subaru, LOL! Low end seems fine and high end seems to lack as my year is non vvti. Non vvti seem to lose their breathe in the higher RPMS... Comparably with my brother's 09 Tacoma, my 4runner is super sluggish. LOL! Tacomas have some great power through out the power band!

None the less, despite similarities in engine, or weight, or rate HP, gearing is going to make a huge difference in any car.
 
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Having owned both the V6 4th Gen and now the V8 (vvti), and also owning a 04' Tundra (non-vvti) I still will say hands down I prefer the 2UZ over the 1GR. I agree it will depend on uses, but I think the v8's powerband down low works better when your loaded up with camping gear and armor. Also on the trail having all that low-end torque is nice cause you're typically running lower RPMs. I did like the v6 4th gen but when the mods start rolling in I'll be happy I'm in the V8. Oh and the sound... mmmmhmmmm

I should try and throw an old exhaust clip up... my tundra had TRD longtubes, Magnaflow Hi-Flow cats, Dirty Deeds center section, and Borla catback. It was glorious at WOT.
 
The vvti V8 gets dynoed with a tad more wheel horsepower and 15 ft-lbs more torque than the V6 so I wouldn't blame the slowness you guys feel between the 6 and the 8 on the AWD.

Gadget from URD dynoed his V6 4Runner and got around 208 adjusted wheel horsepower. I've seen the vvti AWD 4runner get 213 adjusted AWD hp so identical HP. V8 vvti has 250 ft-lbs and V6 I have seen gets 235 ft-lbs torque. The only other difference being the V8 weighs 100-200lbs more, maybe?

To me, the V8 is way more fun to drive. If you don't appreciate the V8 rareness or noise, or aren't towing, not loading up with a bunch of armor, or getting large tires, then the V6 is an obvious choice. (Basically if it is a dedicated person hauler).

My brother's FJ gets the same gas mileage if not worse than my V8 with the same mods.


Pull your front shaft out and drive it for a few days. Then you'll realize what it takes to push the awd. It feels like a different truck.
But I do love the v8 awd. Too bad it pretty much never snows here.


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Pull your front shaft out and drive it for a few days. Then you'll realize what it takes to push the awd. It feels like a different truck.
But I do love the v8 awd. Too bad it pretty much never snows here.


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I'm sure it does feel a lot different. The AWD has more of a driveline percentage loss than the 2WD V6. I'm just saying even with the loss, it still makes +5 whp and +15 wheel torque than the V6. A dyno with a 2WD V8 might make ~5% more, around 220 whp and 260 wheel torque.

So it's not a lack of HP as to why some owners feel it is slower than the V6 because it is actually putting more to the ground, its the increased weight or maybe less responsive and lower revving engine that is the cause of the perceived or actual difference between the two.

I love the AWD too. You don't loose grip even when turning sharp from a stop and gunning it. But it does kinda grab and slip throughout the turn like the two axles are fighting each other if its a bit bumpy.
 

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