VQ35DE vs VQ35HR: Which One is Better? 

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DE gang where yall at?

The HR also has much more stout connecting rods then the de and rev-up, which makes the HR a favorite for the boosted guys who don't wan't to invest in a engine building. The HR is better by almost every measurable metric, though the cost to swap them into a Z or G that originally came with a DE or Rev-Up is absurd. You can build a DE or Rev-Up for around the same cost as a swap, in some cases, and give yourself something that will hold 2 or 3 times the power of a stock HR. We specialize in custom VQ engine building and boosting, so feel free to hit me up if you have any questions.

Had 4 DE’s (two FWD and two RWD) and loved them all! Reliable and durable

I'll still defend my de till the day I die :'(

Thanks for the video man. Nice to see a simple attempt at explaining the differences with some aid of the visuals. I already knew the majority of the changes, but it was still useful for me given the way you presented it and with the visuals. Cheers.

I may not drive a car, but my 03 Pathfinder has a DE in it. I love it. 257k miles and still goin’ strong.

This is one of the best DE vs. HR comparison vids I've seen. Good detail, thank you. - Keez

we appreciate you taking the time to give a thorough explanation

2008 G35 sedan with the HR. Got the best of both worlds. About to hit 130 running brand new

Great video, I'm researching this subject currently, thanks a bunch

if you plan on keeping internals stock, buy a hr. if you want to build the engine, de. the cost difference alone between the two cars and you can almost build the DE to hold 600+hp, reliably.

Thanks for sharing. I've got a 2008 base manual, I track it roughly once a month and live close to a very curvy mountain road out in the middle of nowhere. For the past 6 yrs I've beat the shit out of mine at least once a week on the mtn road and the past 2 yrs at the track.

Keep it up! Try to talk about best engine and transmission combos!

Awesome video, thanks for sharing!!!

Great Vid good info I like that you left any bias out of it just info Thank you.

A good watch. I have owned 2 VQ35DE's and my folks have owned a VQ30DEK and now a VQ35HR in their EX35. All are good engines, but I love that sweet sweet HR motor in their Infiniti. Bulletproof reliable and pulls great.

I got DE in my '06 M35 and with slightly tuned air intake and exhaust it's still awesome :)

There’s a bigger horse power than 6 for the HR vs the DE RevUp. The DE and DE RevUp did not get measured in the SAE standard but the HR and VHR were.

My 1st stock G35 Rev Up with 6MT ...I Luv it !

Awesome video. Informative 👍

Dude great video. I learned a lot and true the DE is better to boost. Replacement cost 1000.0 to 1700.00 HR good luck. But if I was to build a 650 hp to 750whp I would want the HR for sure. Thank you so much for you input on the great Nissan legacy of the 350z. I got 2 of them

Just picked up a HR sedan. I love the throttle response

Great video man. Thanks for sharing

I had a 96 Maxima 5 speed with a VQ30de. Older then these two variants but it had 400,000 miles on the clock and was my track/daily. Ran perfectly till the moment it was T-boned by a 4 runner running a red light.

You should do a video on the 35HR heads on a VQ37 block.. I hear it works and does wonders in the boosted world! Great video btw with regards to VQ35DE vs VQ35HR!

I've owned a 2003 Z , 2005 G35 6mt , 2008 z , right now I drive a 2012 G37s and maan.. These cars are really fun. You can also feel the differences. Nice vid man!

Great video! Side note. DE blocks are discontinued in North America and there are none in any warehouses. You will have to wait on one from Japan if you need a brand new one! Don't ask me how I know this! Lol.

Just picked up a 2008 g35 tech pack has the rev up engine drives and handles like a dream!

My Fuga 370 GT has 11:1 compression ratio. I've only had her a couple weeks and I love driving it so much.

I have driven a 350z and a 370z and if I'm being honest, the torque and peak power differences are noticeable but are not like night and day.

Nice! Liked and sub'd. This is the most informed DE vs HR video that I've seen yet. Even linked to the Nissan motor publications. I also have a copy of a leaked Nissan ppt slide deck with even more info. I bought a new 2006 "DE-revup" 350z manual which had oil consumption issues. I dumped that car early on for a new 2007 HR which I still own today. The HR was/is noticeably faster. But why? The 2006 was rated for 300 HP and the 2007 was rated for 'only' 306 HP. Truth is, up through 2006, Nissan was not using SAE ratings to publish horsepower. Laws changed in 2007 that SAE ratings were required so Nissan built a new engine. I have a dyno sheet with both 2006 (Throttle body spacer) and stock 2007 numbers run on the same dyno and in the upper RPMs (5k-7k), the DE falls off and the HR has a 40HP advantage between 6k and 7k. My 2007 stock was putting down 262 HP at the wheels and with bolt-ons and tune, it's up to 301HP at the wheels. These are dynojet, SAE corrected numbers. So 40 HP difference stock plus 40 HP from bolt-ons and it's surprisingly faster than a stock DE. Below 4500 RPM, the HR only has a slight advantage. Biggest HR win though is that it has a dedicated oil dipstick tube :-). DE dipstick uses an engine oil return passage so it's herd to get a clear read. Another great advantage of HR is that the hot coolant return from the engine is routed to the radiator externally keeping that heat out of the engine. I'm, keeping my HR 350z till the wheels fall off.

Bought a rust and damage free stripped 2004 z and put it back together using a rolled 2008 z. The HR motor is a beast, way more rev happy and fun to drive than my previous 03 z that I sold. If you want to build the ultimate naturally aspirated car cheaply the HR is the way to go, HR block, heads and rods with a 3.7 crank and special 12.5:1 JWT pistons along with tomei 272 or 280 cams would be one sick street engine.

Good overview on the differences. The same seems to apply to quite many other parts also. Our european project HR has 313hp so i'm assuming that version was not available in your market area?

Oil burning gang, where y’all at?

Thanks for a great explanation of the differences. I have owned every generation of Z car and have had every engine from L24 I6 to VQ37VHR in my '12 Z34N. I have long been critical of those that say the "HR is better and the DE is junk!" All I can say is "Well, it is and it had better be. It's newer, evolved." Stands to reason that the VHR is arguably a better engine than the '07-08 HR, yes? Again, it better be. And what about the Red Sport VR30DDTT (from the Q50S Red Sport), rumored to be the next Z's (Z35) engine? Is it the supreme Z engine? Again, it better be. Point is, so many "HR is king" people seem to think if they have an HR car, they're so much better than those of us who "only" have DEs. Get over it. And while you're at it, stop referring to '07-08 Z cars (and the matching HR engine Q-cars) as "an HR". It's just a 350Z that happens to have the next evolution of the VQ35xx. After 25 Z cars over 40-some years, including some rare ones and Nismo versions, the only remaining one is my DE powered '03 which I still love dearly.

I appreciate the DE always 🤞🏾

I had 35 anniversary Z. With Rev up. Great car. 7k redline. I should of kept my Z. The vq was a very reliable motor. Great weird sound.

Thanks for the informative information I’ve been trying to decide which 350 I would rather have definitely an HR

I drive a Nissan murano 2oo6 and and it still goes like it was brand new, just touch that key and that motor is purring like a happy cat lol, every time I start her up I get a chill down my spine from that heathy sound, even the cvt gearbox is still working smoothly and the fuel efficiency is surprisingly good too, for me Nissan is tops deffo, I'm the second owner of this car so never bought it new but its still in perfect condition and even better after I got it as I've done many things to it that a factory won't like rust treating and rubberizing the complete undercarriage and wheel wells and many other things, I'll only do that on a car worth it and that Nissan suv certainly is 👍, so many ppl look at my car and ask if I'm not selling it but theres no chance, I've owned a Datsun Skyline 1800 many yrs ago and completely rebuilt and sprayed it and it got stolen here in South Africa sadly but thats where my love for Datsun/Nissan started and this Murano is built much the same way my old Datsun was

My 04 maxima has a 3.5 DE and it's a bit of a beast with my upgrades.

Which one is better is really dependent on the use of the engine & budget. The HR is more expensive to purchase and you will need a more advanced ECU to run the dual VVT. Having said that, even though the DE is cheaper to purchase, what would it take to get the DE to make the "300HP" that the HR does? NA: Cams, valve seats & compression bump (then you might have to look at alternative fuels) Boosted: Lots of heat, complexity & cost. I haven't run these numbers but it is likely that your $per HP is better spent on an HR. Get the HR with a good ECU, beautiful sounding exhaust & then do a ridiculous burnout!

I'm really glad you mentioned the wider torque range if the HR. Most people believe that the DE makes more torque simply because of the peak number, when in reality, it only makes more torque in a very limited section of the power band. HR makes more average torque across the whole rev range.

Great video! Do you know if HR lifters can be used in the REVUP? Or do they all have that coating new now?

As I get older I appreciate cheaper and parts availability. I love to mod stuff so I'm leaning DE

Thank you for this helpful information

I love my infiniti Q50 2014 with the 3.7 is a Beast!

Very informative!

Good info, thanks!

You can build a DE to take just as much HP reliably as a HR, the DE Is a way better platform and there’s more tunability for it which is why I’m sticking to this platform

Great vid man. Thanks for the content. How about a vid on VG30 VS VQ30?

To be honest, I'd side with the DE over the HR, the reason being that replacing the GM3800. while the 3800 has been abuse-proof I like the VQ noise, and retrofitting that in place of the geriatric donk would inject a lot of life into my ol' bore-a-door. Ignoring mating up the 'mission to the engine, I wonder if a more lively bent six would be better than the factory lazy six as a daily.

great video man

In Australia the 35th anniversary touring model did get the revup engine

I have a great video of my HR sedan racing a 2003 6MT coupe. We were neck & neck at 120mph.... Pretty much neck & neck through the entire PowerBand. (I took off on him at the redlight because my HR is a G35xS & not many people are getting me at a red-light. In any weather condition. I spanked a 392 scatpack the other day because he spun *forever* & admitted he couldn't launch his car from a dead stop without burning rubber. He didn't expect my car to pull the way it did, & even admitted he was going to go home & research some Infiniti stuff since they are always running good around this area. He was cool AF.. (I wish I would've gotten that interaction video)

I got a first gen Skyline crossover (J80) with a VQ35HR just over a hundred k miles love her never had any issues however this is due to a meticulous maintenance regimen. Since the HR provides so much power the trannys take a good beating if fluid is not changed every 30k especially since the filter is not a "serviceable' during a transmission service they just drain and fill.

It seems Nissan and Infiniti still make more reliable engines than Subaru, Mazda, Mitsubishi, and Hyundai/Kia/Genesis. Hope Nissan/Infiniti can rise to the greatness of Toyota/Lexus and Honda/Acura once again very soon.

Thanks for info. I have the HR motor

Finna do the oil change on my DE today 💪

HR gang!! 7600 red line can’t lose

I drive the revup enthusiast. so far love it!

I have owned both an 06 base rwd sedan with the VQ35de and 60,000 miles and an 07 rwd automatic journey sedan with 75,000 miles with the VQ35hr and sold the 06 a month later after buying it to buy my 07 which I still own lol I love my VQ35hr it's definitely a great engine

I own a 2002 Infiniti I35 with the VQ35DE, the only fault it has is burning oil. 210K miles and still runs like a clock. Can't argue with quality design of the VQ35DE!

Just got my hr 🤘🏾

Which viscosity and brand of engine oil are you using on your VQ?! (Am running synthetic 5W30 on my 35HR because am scared of engine oil pressure issue or so due to using thicker engine oil such as 5W40 although i want to use thicker one..)

VQDE Rev Up preffeted , 2006 Infiniti G35 6MT . I'm Orginal Owner. 116,000 miles plus. Just check oil , every fill up.🚘👍

Thanks..nice info

One wrong thing. the 2006 350z got the regular DE if it was an automatic

VHR Block with HR head. The best setup.

Good video. I would have liked to see more comparisons between DE rev up and HR given HR is essentially only rev up. Thanks!

Doing a head gasket and up rebuild but considering a vq37hr swap on my g35. Opinions?

how much can each engine support hp wise. I have an fx45 that i love, and have been looking to upgrade to a newer model and want to boost it so wondering which route to go

I recently blew my vq35de and wanted to swap it for a vq35hr I was wondering if the trans from the vq35de would fit in the vq35hr or would I have to buy something else to make it work ?

Very informative.

how's my DE's doing?

How close is the 2013 Nissan Maxima 3.5 to being a complete HR I know it doesn't have the exhaust valve timing I know the specs says 300hp but as far as compression is that 2013 Maxima VQ the same as the last Model G35 before it went to the 3.7

3:40 Ive never seen that strut bar thing connecting the 2 air boxes before

Thanks mate looking at buying an el grand 3.5 know l know what will be better

I managed to find my 08 hr with only 60k miles a 6mt and completely bone stock. Only problem came when it was time to buy it. They knew what they had and knew I wanted it haha. But now at 80k miles and the thing is a beast.

Im thinking or fully rebuilding my DE, and i believe it has the potential to hang with the HR once all the internal components have been upgraded. Yes, the block is overall better in design for the HR, but like he said, it is cheaper and more available to get a DE rather than an HR. What's your opinion?

One thing I never see discussed is the cam crossover at 4000-4200rpm in the HR. It's almost like a Vtec effect that hits and is followed by an increase in sound and power. I guess it's part of Nissan's 'Swell' they talk about when tuning the power delivery/powerband.

I have a DE in my Altima and I love it. I hate the CVT it's attached to.

Swapping from a de to an hr? & what would be needed to make the swap possible?

I've got a question , how much would it cost to boost up an 06 Altima SE-R . It runs smooth n good but I want to put some power in the whip have a lil more fun.

I have a 350z de. Better for a budget build.

I have a revup motor ... And i love it ...

Recently bought a G35 S 07 for $5300k. 76k miles

Could I change a DE to HR on my 2003 350z? and what do I have to change to make it work?

I am looking for this same information on the VQ37 line up

I love the car world man every likes there own thing I don’t care if you like civics or if you like bmw or what every every car is cool to me some times you got to find little things you like about every car

Can thicker engine oil such as 5W40 cause engine oil pressure on a VQ35HR since it’s stock engine oil viscosity is 5W30?

You should make a video comparing the VW/Audi 2.0T FSI to its predecessor 2.0T TSI

I like this video good stuff

Hi. Is VQ25HR also 80% different from VQ25DE too? I heard it's 50% different but not sure if it's true. VQ25DE can run with normal gasoline while VQ35DE need high octane gasoline. I wonder if VQ25HR can run with normal gasoline with lower octane like VQ25DE too or not. (I don't drive that fast but I like drive smoothly but not too slow.)

2:36 this is what blow out first at your HR (oil gallery gaskets)

Ive owned an 03 g35 powder blue sedan, then a 06 g35x sedan, then a 07 g37 sedan, amd finally a 2011 g37 sedan. I love them ALL. but my fav was the 06g35x sedan. It wasnt the fastest, but it was my fav. 07 hr, was prolly the worst engine of its time. My 06 g35 was on another level, wasnt the absolute fastest (compaerd to a 3.7) but it was the funnest and most reliable so far

I see you show Sasha's 350z when speaking about the hr? I thought he ran a de block?

The only good thing about the de is its easier to replace the slave cylinder unlike the hr which you pretty much have to remove the transmission.

So are All 07 & 08 HR?

De is for the stock and casual daily driver. Hr is for mods and more top end