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V8 vs V6 R51

 
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Kestral
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Joined: 12 Apr 2014
Posts: 689
Location: MA

PostPosted: Thu Dec 25, 2014 4:37 pm    Post subject: V8 vs V6 R51 Reply with quote

I was wondering is the V8 R51 Pathy that much faster in a drag race then the V6 model?
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skinny2
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Joined: 26 Dec 2009
Posts: 1531
Location: BFE, Ohio

PostPosted: Thu Dec 25, 2014 9:44 pm    Post subject: Reply with quote

I researched this a lot when I was shopping and there wasn't much of a difference. The test results I found had them within a couple tenths IIRC.

The disadvantage of the V8 is tall rear gearing...the final is somewhere around 2.9 compared to 3.35 with the V6. So the V8 actually feels a bit weak on the highway (particularly towing) and requires a downshift where the V6 will pull all day in 5th gear. There are a number of members that have swapped out the differentials to get lower gears and have seen a significant performance increase.
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doctahjones



Joined: 16 Nov 2010
Posts: 844
Location: aurora, co

PostPosted: Fri Dec 26, 2014 7:43 pm    Post subject: Reply with quote

tall (~2.97 iirc) gearing hinders the v8 quite a bit. some have done a swap (with a titan or older model qx56) to a 3.36 ratio...one day i'll get to that.

but, put a bully dog tuner on it (~$275 on craigslist for mine) and it will kick the pants off a (non-bully dog'd) v6.

back in texas with 33in tires i put down 297hp to the wheels (can't remember torque) with the bully dog, so you can imagine what it can do on stock wheels...
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***Traded for a 2010 QX56***
What I used to have:
'08 LE 4x4 v8 w/bully dog tuner
airraid quick fit "cold-ish" air intake
2in rancho 9000XL front / bilstein HD rear / 4x4parts.com 2in HD rear springs
airlift 1000
bfg at 285/65/18
rocky road super sliders
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smj999smj
Site Admin


Joined: 22 Jan 2012
Posts: 5438
Location: Prospect, VA

PostPosted: Sat Dec 27, 2014 5:49 pm    Post subject: Reply with quote

If you really want to drag race a Pathfinder---and I'm not sure why anyone would---you could always get the V6 and put on the Stillen supercharger!
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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