2017 Titans 5.6 vs Older 5.6 V-8's - Nissan Titan Forum
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post #1 of 13 (permalink) Old 01-08-2018, 01:46 PM Thread Starter
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2017 Titans 5.6 vs Older 5.6 V-8's

I had a 2006 Titan and i thought the Engine was powerful and strong but holy **** the new engine shifts smooth as hell and has a lot more balls than my 06.. What engine do you like more??
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post #2 of 13 (permalink) Old 01-08-2018, 02:42 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

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Originally Posted by Sabotage6 View Post
I had a 2006 Titan and i thought the Engine was powerful and strong but holy **** the new engine shifts smooth as hell and has a lot more balls than my 06.. What engine do you like more??
None in my experiences. The 5.6 390 hp is everything that I hoped for and some. Love this engine!

PS. Knock on large chunks of wood because many including myself had shifting issues but the TSB for the ecm and tcm that is out seems to have rectified that problem. 4 updates later for me. If you experience hard up or down shifts called shift shock and or rpm fluctuation get your beast in right away and have them do the latest ecm and tcm update.

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post #3 of 13 (permalink) Old 01-15-2018, 06:38 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

I'm a fan of the revised 5.6 engine, the 7 speed tranny, not so much. I find the engine smooth and powerful enough, while I find the transmission gears oddly spaced. After 13k miles, it seems the transmission has really smoothed out and holds gears longer instead of immediately upshifting in odd situations or dropping two gears going up a slight hill on the interstate. I'm a fan of the new Ford/GM 10 speed, that's a nice transmission, but I really like the 5 yr/100k mile bumper to bumper warranty for the Titan.

I think that with the 11.2:1 Comp ratio and direct injection requiring only regular gasoline, this engine will perform really well to tuning and higher octane fuel.
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post #4 of 13 (permalink) Old 01-30-2018, 07:16 AM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

I’m really liking the VK56VD in my 17. I had a 2015 with the VK56DE and it always seemed overwhelmed. I feel like there’s significantly more valve noise on the newer VK56VD due to VVEL, but it’s not off putting.

As much as I love my second Titan, I’ll probably sell it in a couple of years, as I’m moving to the mountains full time. At 5000’, where I am now, I lose about 50hp due to the altitude. Where we’re planning to move, it’s 9000’, which means hp will be down by over 100.

I’m thinking it’ll be time to switch to a turbo-diesel like the XD or a gas turbo like the F**d. Most turbos have enough spin to overcome the loss of ambient air pressure.


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post #5 of 13 (permalink) Old 01-30-2018, 02:36 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

high alt. certainly makes case for eco-boost.
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post #6 of 13 (permalink) Old 01-30-2018, 08:21 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

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Where we’re planning to move, it’s 9000’, which means hp will be down by over 100.
I live in Colorado and know all too well the affects of high altitude. But you're overestimating the HP loss at 9K', it's just under 89 HP. Torque loss might be a bigger concern, but I think a modern truck like the Titan with the VK56VD will be plenty stout enough for most jobs at altitude.
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post #7 of 13 (permalink) Old 01-31-2018, 07:04 AM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

My Titan saw 11,000' passes at least a couple times a year. Sometimes twice in the same day. It was gasping for air for sure, but it made it. When towing over those passes the transmission had to be babied. The first couple of years I had it the transmission was never a problem. It's like a switch got flipped and the transmission heated up easier.

I have the 6.7L PowerStroke diesel now and it sure is nice in the mountains, especially when pulling an RV trailer that weighs 11,000 lbs.

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post #8 of 13 (permalink) Old 02-02-2018, 10:09 AM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

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Originally Posted by dkmura View Post
I live in Colorado and know all too well the affects of high altitude. But you're overestimating the HP loss at 9K', it's just under 89 HP. Torque loss might be a bigger concern, but I think a modern truck like the Titan with the VK56VD will be plenty stout enough for most jobs at altitude.


Yeah. I’m in Colorado too. This is where I’m working from.


Truth is, I don’t really notice it unless I’m towing. On the other hand, it’s a pain in the backside when I am towing.


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post #9 of 13 (permalink) Old 02-03-2018, 06:36 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

Sorry- forgot that you had the higher HP engine in your Titan. I have a '08 KC LWB and used my paltry HP figures to estimate the 89 HP loss. Today I towed my 24' enclosed trailer on the way to get my 2018 annual inspection done for SCCA racing this year. Interestingly enough, even though there is a HP loss at altitude, I really never notice it very much. The VQ35DE still has plenty of torque and moves out easily enough. Compared to my former tow vehicle (Chevy C3500 CC dually) the thing I notice most is the brakes. A one ton truck is heavy, but relatively stable. Even with my electric trailer brakes and antisway hitch, my Titan consistently feels like the brakes are marginal. Particularly when cars are always cutting in front of me and dropping my following distances to nil.
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post #10 of 13 (permalink) Old 02-03-2018, 06:48 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

The OEM brakes on my Titan were pretty bad. I didn't realize how bad until I replaced the fronts with a set of Bosch rotors and pads. It's great that they lasted around 90k miles, but I'll take better braking, brake dust and more frequent replacements any day.

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post #11 of 13 (permalink) Old 02-04-2018, 01:46 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

Jim- how do you like the brakes on your F350?I bet it's night and day compared with a half ton like the Titan.
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post #12 of 13 (permalink) Old 02-04-2018, 01:56 PM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

The brakes on the F-350 are very good. Initially they were very "grabby". I've got 6,000 miles on them now and they have smoothed out nicely. I haven't had to make any panic stops yet so I don't know how they'll behave in that situation. I'm driving the F-350 much more sedately than I did my Titan. In the Titan every on-ramp was a drag strip.

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post #13 of 13 (permalink) Old 02-05-2018, 06:33 AM
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Re: 2017 Titans 5.6 vs Older 5.6 V-8's

Im still in my 2005 with 197K on the clock and yes its tuned with opened up exhaust as we all know. Last month I installed bpipes and a JBA catback on a 2017 2wd 1/2ton and I like the truck but I was expecting a little more grunt from the truck with opened up exhaust. The old 2005 will run circles around the new truck and I wasn’t expecting that. When the 2017’s gets some miles on them and the cats start failing I cant wait to see how one will respond to headers and Uprev. With more compression and better flowing heads it should be a beast. Not a fan of the 6+ speed transmissions either of todays trucks, always searching for a gear.

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