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V6 or V8

Old Jun 25, 2018 | 09:30 AM
  #11  
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Originally Posted by 5280LR3
Meh... can't say you'd NEED the V8 for the kind of off roading we do here in Colorado. It's all at a crawling pace anyway. I think the biggest issue would be the elevation you're at which may make the V8 more desirable since you lose x amount of horsepower as you gain in elevation. I don't really dwell on the off roading power of the LR3 with all it's electronic driveline wizardry unless you're climbing a wall or some crazy stuff. Then you probably should have a winch anyway. The thing I have yet to try and wonder about the most with my V6 is the long drone up I-70 to the tunnels or coming back up Floyd hill loaded with a weeks worth of gear. That would be the test. I was surprised how well the V6 moves along down here on the flats (at 5,000' plus) and I'm assuming there is a certain amount of computer intervention that tries to make best of what little air we have to make power. I've had my V6 LR3 for 14 months and 13k miles and have not had the time to make the journey up I-70 loaded or empty. That's sad to admit. Planning a trip to Ouray & Telluride this September that will test the LR3 both on highway and the 12,000' elevation San Juan mountain passes. I did manage to spend some time on the Forest Service roads up at Bunce School Road in the LR3 and it felt more powerful (and a way better ride) than my mildly lifted Jeep Cherokee with the HO 4.0L. Definitely felt like it had more torque. Spent some time trying the different off road and suspension modes. Very impressed so far.
As far as reliability... can't say one would be better than the other. Plan on doing the V6 cam chain tensioners at 70k (easy to replace from outside the cylinder head) and then the internal ones and guides at 130k or so if they start rattling. It's nice to be able to buy off the shelf Ford parts for these engines (they're used in the Explorers and Rangers with a few Rover enhancements). The V8 isn't without it's problems either. Heat issues (not cool at our elevations! pun intended) the coddling of the injectors and barfing of oil into the intake plenum playing havoc with the throttle body, etc. I don't think you could go wrong in either instance if you find one with reasonable mileage with maintenance records. Allow $500 in your budget for an GAP IID tool if you plan on doing any repairs yourself or want to know whats going on as your driving and checking codes.
In case you are curious, for normally aspirated engines the specific loss of performance is 3%/1000 ft in elevation. So in Colorado my house is at 7,000 ft, with that I have a 21% loss in power with my engine, and even more as I head up I-70. The one and only time back in 2006 that I was given a V6 as a loaner, I couldn't wait to return it for lack of power.
 
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Old Jun 25, 2018 | 10:16 PM
  #12  
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Originally Posted by houm_wa
Does it do this "spritzing" intentionally or due to some failure?
It self identifies as a diesel

Pcv I think is the culprit
 
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Old Jun 26, 2018 | 12:26 PM
  #13  
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Ahhhh....right the PCV issue. The poster made it sound like a common issue of the 4.4. I've read about one or two people (on all forums) that encountered that, over a 13 year period. A bit of hyperbole, I'd say.

(as it were, when I read about that issue I changed my PCV valve.)
 
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Old Jun 26, 2018 | 07:57 PM
  #14  
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Originally Posted by COSPILOT
In case you are curious, for normally aspirated engines the specific loss of performance is 3%/1000 ft in elevation. So in Colorado my house is at 7,000 ft, with that I have a 21% loss in power with my engine, and even more as I head up I-70. The one and only time back in 2006 that I was given a V6 as a loaner, I couldn't wait to return it for lack of power.
Thanks for the info. Yes, the run up I-70 does concern me. I need to make a run up to the Divide and see how it does before September. But as the OP was asking... how will a V6 vs a V8 do on the trails of Colorado? I guess I'll find out. It's has to be on par or better than the old Jeep so I'm not overly concerned about its off road performance on the trails I run. It's pretty much all low range crawling anyway. I can't wait to get the LR3 on the trails!
 
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Old Jun 27, 2018 | 02:49 PM
  #15  
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Is that Black Bear Pass?
 
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Old Jun 29, 2018 | 09:10 AM
  #16  
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Yes it is.
 
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Old Aug 7, 2018 | 09:40 PM
  #17  
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A follow up in case someone was curious... I made the run up to the Eisnehower/Johnson tunnels on I-70 (11,158' elevation), down to Silverthorne and went back up to and through the tunnels, up Berthoud Pass on highway 40 past Winter Park, then north up through Rocky Mountain National Park (12,000' pass) and then home. I was very happy with the performance of the V6. Sure, the V8 would be nice, but I don't feel the V6 is going to be an issue for me at all. I guess i don't know any better having not driven a V8... Next decision is tires. I want Duratracs (had em before) either 265/60R18 or 265/65R18. I'd like the taller 65 profile, but don't want to change the final gear ratio too much from stock...
 
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