06-13-2019, 09:28 AM
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#31
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Banned
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Join Date: Mar 2018
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Quote:
Originally Posted by Charlievee
Free country if one can afford it! Hundreds of miles of open road. If I need to I want the option. Nothing more nothing less. Or can only LEO's have such grand skill to navigate over 70 mph when needed?
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It's not about who is allowed to speed and "muuah ruughts cuz merica" it's about physics and not endangering people's lives.
Yes emergency services should be allowed to go fast if they need to.
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06-13-2019, 11:19 AM
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#32
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Join Date: Jun 2015
Location: SLC, Utah
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Real Name: Matt
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Member
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Quote:
Originally Posted by Mutant138
It's not about who is allowed to speed and "muuah ruughts cuz merica" it's about physics and not endangering people's lives.
Yes emergency services should be allowed to go fast if they need to.
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LOL, I like his wild agenda jump. Surprised he didn't tell you about how his missle owning rights are being infringed.
My WRX had it's limiter removed, and I took it into the triple digits quite a few times. It was designed to perform like that. It was on tires, also designed to perform like that. The car was made to drive, turn, and stop, at speed.
The 4Runner on the other hand... is the total opposite.
I don't think anyone here is suggesting no one has the right to go as fast as they want. Moreso, just that it's dangerous in the vehicle we are here to discuss. And- there is a dramatic difference between going 80, compared to say anywheres north of 100.
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06-13-2019, 11:44 AM
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#33
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Senior Member
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Join Date: Aug 2018
Location: Ohio
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Quote:
Originally Posted by mcarey86
LOL, I like his wild agenda jump. Surprised he didn't tell you about how his missle owning rights are being infringed.
My WRX had it's limiter removed, and I took it into the triple digits quite a few times. It was designed to perform like that. It was on tires, also designed to perform like that. The car was made to drive, turn, and stop, at speed.
The 4Runner on the other hand... is the total opposite.
I don't think anyone here is suggesting no one has the right to go as fast as they want. Moreso, just that it's dangerous in the vehicle we are here to discuss. And- there is a dramatic difference between going 80, compared to say anywheres north of 100.
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There you go.
You have a car that's made to go fast, so it makes sense. My only encouragement is that you do it in safe places, which I assume you do.
Correct also about the 4Runner. I don't think I would take mine to 115 on a perfectly flat, straight, empty road, even if I wanted to. It's so softly sprung, no telling how squirrelly it would get in the event you had to avoid a deer or something at that speed.
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06-13-2019, 11:48 AM
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#34
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Junior Member
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Join Date: Apr 2018
Location: Shakopee, MN
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Please stop obsessing and perpetuating top speed posts. It's about normal city and highway driving.
Has anyone else done the VR Tune to share their results?
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06-13-2019, 11:53 AM
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#35
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Junior Member
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06-13-2019, 12:53 PM
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#36
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Join Date: Mar 2017
Location: Canada
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Quote:
Originally Posted by Mutant138
* I would like to see a lifted 4runner perform any sort of sudden evasive maneuver under 100ft at 95mph. Hell I would pay.
* Those speeds border criminal negligence in most states and definitely is if you kill someone. You prob won't be talking about hipsters at your trial.
* Leave coffee out of this.
* Your engine ain't getting to 250-300K if you drive at 95 all the time with stock gearing.
* Enjoy standing tall before the man not once but twice when you get a criminal speeding ticket off base. UCMJ baby.
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This bit is incorrect. Acidic volatiles burn off faster at higher rpm, oil pressure is higher arguably allowing better lubrication. So running at high speed can in fact put less stress on a motor that lugging it cold on small low speed low mileage jaunts around the city.
That said the 4 Runner in my opinion is best less than 80mph. I have had mine up to 110mph, however it is not stable and this is not recommended.
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06-13-2019, 01:11 PM
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#37
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Banned
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Join Date: Mar 2018
Location: Arizona
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Real Name: Tobias Fünke
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Quote:
Originally Posted by Grug556
This bit is incorrect. Acidic volatiles burn off faster at higher rpm, oil pressure is higher arguably allowing better lubrication. So running at high speed can in fact put less stress on a motor that lugging it cold on small low speed low mileage jaunts around the city.
That said the 4 Runner in my opinion is best less than 80mph. I have had mine up to 110mph, however it is not stable and this is not recommended.
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Two trucks running side by side non stop. One at 4000 rpm the other at 2000 rpm... Oh just NVM this is so off topic.
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06-13-2019, 01:16 PM
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#38
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Quote:
Originally Posted by Mutant138
Two trucks running side by side non stop. One at 4000 rpm the other at 2000 rpm... Oh just NVM this is so off topic.
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Its not an absolute. Many factors at play here. I get what your saying. Ive had a some motors in the past that were driven the bulk of their life at very high speeds, the internals looked almost new, no carbon, no sludge etc. Granted high rpm runs with dirty oil or low grade oil and yes things can get burnt up.
Hey who cares we all drive buses so its not like we are gonna win any speed comps with it. This has to be the first vehicle Ive bought that I actually enjoy driving slow.
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06-13-2019, 03:05 PM
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#39
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Quote:
Originally Posted by Grug556
Its not an absolute. Many factors at play here. I get what your saying. Ive had a some motors in the past that were driven the bulk of their life at very high speeds, the internals looked almost new, no carbon, no sludge etc. Granted high rpm runs with dirty oil or low grade oil and yes things can get burnt up.
Hey who cares we all drive buses so its not like we are gonna win any speed comps with it. This has to be the first vehicle Ive bought that I actually enjoy driving slow.
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I have to chime in briefly. I have a 2006 Scion xA 5-speed. I was concerned when I first bought it (used) that it might experience high engine wear because it's running 3500 RPM at 70 MPH in 5th gear, 4000 at 80 MPH. Thankfully, at 215k it doesn't use any more oil than it did at 100k - maybe 1/2 quart between oil changes, which is normal, I think. Not a pro or con statement, just my experience.
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06-14-2019, 10:47 AM
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#40
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Join Date: Jun 2015
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Quote:
Originally Posted by Grug556
This has to be the first vehicle Ive bought that I actually enjoy driving slow.
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I miss a lot of things about my 2014 WRX. But one of the first things I noticed when I picked up the 4Runner was how stress free driving can be.
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06-14-2019, 11:25 AM
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#41
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Elite Member
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Join Date: Mar 2010
Location: Pittsburgh
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Real Name: Chris
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Quote:
Originally Posted by fugereb
Posting this to get others to share their VR Tune experience. Installed the Stage 1 VR Tune on my stock 2018 4Runner Limited. This post is to share VR Tune results, not to talk about other unrelated upgrades or folks having a negative opinion without trying. Installed my Stage 1 VRTune a couple of months back and have about 1,000 miles of highway and 500 miles of city driving experience. Here are my subjective findings based on my previous experiences driving a 2007 V8 Triton Ford Explorer and our 2015 Lexus Gx V8.
The 4Runner factory lacks pedal response and in addition once you step it down you hear a lot of noise but there is no power band beyond 2,500 RPMs and it continues to show a lack power through shifts to redline. My first attempt at addressing this was a Pedal Commander which essentially adjusts the sensitivity of the gas pedal, loved it by the way. I found a new sense of confidence however the +2,500 RPM continued to lack as expected. After running the Pedal Commander I decided to give the VR Tune a try.
Contacted them and the process was easy. They shipped a DIM Sport tuner to pull the ID file in which I used their website to request a tune of “more power please”. They provided a new file and with their instructions 20 minutes (slow and careful) I had the tune installed. After 1,500 miles of combined highway and city here are my observations.
1. Lack of pedal sensitivity not as apparent as there is more power; as much I sold my Pedal Commander on eBay
2. Shifts remain sound and acceleration without as many downshifts; overall more driving confidence, enough to say I can actually accelerate to 60 MPH slowly with the ECO light on (could never before unless you had 5 minutes)
3. 2nd and 3rd gear from normal driving through redline pulls much better, thumbs up!
4. Overall in town drivability much better, more comparable to the Lexus Gx
5. Highway has about 50% less down shifts on minor hills and when downshifting it goes back into final drive sooner
6. Overall City and Highway gas mileage is about .5 MPG better, of course if your are hard on the brakes and/or WOT you will use more gas with a Tune; here is what I am seeing in my Limited stock:
-230 miles highway 77 MPH; 45 degrees, rain and 25 MPH head wind – 17 MPG
-230 miles highway 77 MPH; 60 degrees, no wind – 19.8 MPG
-230 miles highway 77 MPH; 90 degrees 30 MPH cross wind/some tail – 20 MPG
-230 miles highway 77 some 80 MPH; 70 degrees 15 MPH tail wind – 21.8 MPG
-Overall city < 10 mile trips overall – 16 MPG
The tradeoff is cost; the cost for the tuner, the tune, and the requirement for 91 octane. Out of the gate $700 and on-going an extra $25 cents a gallon for gas (slight offset with 2.5% better mileage). Not looking back at the costs, as someone whom has 150,000 miles of body on frame V8 driving experience the 4Runner now has an acceptable level of acceleration and confidence.
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Thank you for sharing your experience, the real question is.... would you recommend it to others?
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06-14-2019, 11:32 AM
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#42
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Join Date: Mar 2019
Location: Lexington
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Quote:
Originally Posted by Charlievee
Free country if one can afford it! Hundreds of miles of open road. If I need to I want the option. Nothing more nothing less. Or can only LEO's have such grand skill to navigate over 70 mph when needed?
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Limits are in place for a reason. You may find this hard to believe, but it's not just to limit your fun. You are not special. Stop thinking that just because you can, you should.
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06-14-2019, 12:14 PM
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#43
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Junior Member
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Join Date: Apr 2018
Location: Shakopee, MN
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Quote:
Originally Posted by 97BlackAckCL
Thank you for sharing your experience, the real question is.... would you recommend it to others?
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I absolutely recommend the VR Tune based on my experience. No matter how your drive slow or fast; the VR Tune makes the Runner an easier drive.
At some point I will put up some screen shots for the AFR, Timing Advance, TPS, and MF Air Sensor read-only data I can see on my Kenwood with iMaestro OBD2 integration. Comparing stock versus tune. Of course what matters is how it drives, and in my experience much better!
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06-14-2019, 01:43 PM
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#44
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I've posted this in other related threads before, but there's an unconfirmed and uncited rumor that these engines adjust to fuel octane and actually make more power with higher octane fuels (as compared to a normal car, which simply wouldn't). So before I would spend the money, I would need to see dynos and proof of three things.
1. Change in drivability isn't just remapped throttle (less roundabout way of doing what a pedal commander does)
2. Change in power/torque is from a tune, and not just running higher octane fuel
3. A real A to B dyno from multiple vehicles, not some unrealistic cartoon looking thing on the vendor's site
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06-14-2019, 02:07 PM
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#45
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Eager to see afr, advance, max knock degrees, stuff like that!
But guys, as a definitive statement, there are all sorts of "counter-intuitive" things about engines and operation. Things such as...
-Engines actually often wearing LESS at full operating temp (190F coolant) than while cruising lower.
-Engines actually wearing LESS when the oil is getting "up there" toward the end of it's 10,000 mile change. This is because of the rate at which some additives added to the oil tend to come out of solution and do their jobs inside the engine. So for instance, one additive might work sooner after oil change as a solvent, to clean the engine, and then slowly fade out of the system as the anti-wear additive takes over and bonds to the engine and piston/surface walls. And if ur constantly over-changing your oil, it's always hitting the internals hard with the initial, strong-biting solvent stuff, and never giving the anti-wear stuff (like ZDDP) time to do its thing.
That's just a simple example. There are a lot of other more complex chemistry things going on, too.
-Engines running at higher rpm, toward peak power and stoichometric, running less rich, and having less fouling-impact on the downstream exhaust and catalytic system.
So all in all, there's really no correlation between rpms and engine durability, unless you're into the redline or running at extreme load all the time. 2,000rpm and highway load (top gear) is probably thus a little worse than 3,000rpm and highway load (top gear), as the effective load at 2,000rpm is worse and knock is more likely as the engine is closer to lugging more often. But either way, the 1GR-FE is "fine" at both operating levels.
So focus on how the tune impacts the AFR, knock, and overall power, not minor RPM differences lol
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