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Discussion Starter #1 (Edited)
Hey ya'll,

I want to document and share my experience with this swap. The Xterra currently has 94k miles and due for a clutch change which means the VK56 swap is going to happen sooner than I planned. I've chatted with Brennan at Driven Desire and other fellow members from the Frontier world and I'm feeling confident this will be a positive and reliable swap.

Donor vehicle is a 2008 Titan Pro-4x (purchased for $1500), factory locker, VK56 (E85), 336 gear ratio with 130K miles. My Xterra (aka XB3) is a 2010 Off Road with 6-speed (369 gear ratio).

- remove both Titan & Xterra engine harness and Xterrra alternator harnesses (minus the Titan knock sensor harness) and send to Driven Desire to modify for turn key installation- $350
- using Titan ECU, purchase Uprev laptop cable for datalogging (speed density, real world driving), disable VATS, email files to tuner and program to work with Xterra using UpRev software
- notch transmission for crank position sensor
- dual in, single out muffler with resonator to prevent drone
- upgrade power steering cooler with B&M suerpcooler w/ A/N fittings

I will clean up the thread as I go so if someone wants to do the swap as well it won't be confusing. Transparency is key. I will posts costs, pics, and the carnage.

Once the install is complete I will experiment with the braking system.

$$$$$$$$$$$$$$$$$$PURCHASE LIST$$$$$$$$$$$$$$$$$$$$$$$$$
PRG Titan motor/trans mounts- $278
Driven Desire VK56 to Xterra 6-speed adapter kit- $925
Up Rev data cable- $225 (Z1 Motorsports or Cajun B-pipes)
Driven Desire engine harness (merge Titan/Xterra alternator/Xterra engine)-$350~
Cajun Remote Tuning, ECU register, flash and tune- $600

EXHAUST SYSTEM
Exhaust manifold nuts (X16) -14094jg30a- $68 (Amazon)
Doug Thorley Long Tube 1 5/8 headers 2.25 collector THY-481Y-LSO-C; built to order, 4-week wait- $655 EBAY
Cajun B-pipes- $305
Magnaflow reversible 2 in/1 out 2.5" muffler- P#12265- $120 (Amazon)
2.5" Stainless exhaust clamps X2- Espeeder- $18
2.5" 2 bolt(elongated), Stainless, Exhaust Flanges X2- Stainless Bros- $40 (Amazon)
OEM VK56 EXHAUST MANIFOLD GASKETS x2 (14036-7S001)- $42.36 (AMAZON)
OEM CONNECTION PIPE GASKETS x4 (20692-65J00)- $47.16 (AMAZON)
Denso Upstream O2 sensors, pair- 234-9038 - $135 (Amazon)
Resonator....still a maybe....

VK56 REFRESH PARTS
Dipstick O-ring- 15066-7S020-
Oil Cooler O-ring- 21304-JA11A-
Thermostat- 21200-1LA1A-
Oil pump to oil pan o-rings- 15066-7S010, 15066-7S000, 15066-AR000 (Courtesy)
Oil pressure regulator- 15241-43U00 (^^^^$19^^^)(Courtesy)
Power steering line; pump to rack (Gates)- $58 (eBay)
Intake manifold gasket kit; comes with throttle body seal (Felpro MS 96945)- $32 (Amazon)
Timing cover crankshaft seal- 13510-0Z400- $8 (Amazon)
Injector upper/lower O-rings- ES70599,ES72004- $9 (Rock Auto)
Denso Iridium Sparkplugs (flexfuel,.44gap)- Denso 3450- $81 (Rock Auto)
Gates idle pulley- 36222 - $31 (Amazon)
OEM oil pressure switch- 25240-4m40e - $24 (Amazon)
OEM VK56 REAR CRANKSHAFT SEAL (122794Z001)- $28(EBAY)

COOLING SYSTEM
OFFROAD GORILLA VQ40 to VK56de aluminum radiator/silicon hoses- $504
V8 Pathfinder fan shroud- 21476-ZS20A (trim to fit)
LWR Fan Shroud- 21477-ZS20A (trim to fit)
Fan Clutch- 21082-7S00A
Water Pump- 21010-7S000
Water Pump Gasket- 21014-7S000
Heater Hose outlet- 92413-ea000- $14 (Courtesy)
Heater Hose Inlet- 92400-ea000- $12 (Courtesy)
Heater Hose Outlet- 92410-ea000- $13 (Courtesy)

TRANSMISSION PARTS
Z1 PERFORMANCE STREET FULL FACED CLUTCH/MID WEIGHT FLYWHEEL- $718 !!!!Got $100 off for BLACKFRIDAY!!! ($618)
OEM XTERRA THROW OUT BEARING (P#30502-69F1A)- $62(AMAZON)
Pressure Plate OEM bolts X9- 01121-0072- $16 (Courtesy Nissan) OR ARP part # (102-2201)- $21 (Amazon)
shifter lever boot- 32862-ea200- $12 (Courtesy Nissan)
OEM Rear output seal, Transfer case- 33140-7S110- $25 (Amazon)
Crankshaft Position Sensor (Same as VQ40 driver cam sensor) - 23731-AL61A

Refrigeration (using Titan A/C compressor)
V8 Pathfinder Low Pressure Hose (Compressor to fire wall)- 92480-ZS21A
Filter Drier- 83255- $23 (Amazon)
R134a Refrig
Compressor oil (have some oil to lubricate all your o-rings before assembly)
If recovering and charging yourself....Tools required...do your homework or watch YouTube
Vacuum pump
R134 Manifold Gauges w/ 1/4" hoses and low/high side QDs
1/4" shutoff valve (for vucuum pump)
RobinAir Reclaimer (if you hug trees or want to reuse your refrigerant)
Refrigerant Recovery Tank
Vacuum gauge (digital)
Gas leak (optional for troubleshooting leaks or just use thick dawn soap solution)
 

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I will be watching this closely... Drooling along the way, I'm sure. Sweet ride man!

Also, and probably slightly off topic... Does anyone know how or if a VK56DE would affect Commiefornia SMOG certification?

Sent from my SM-G965U using Tapatalk
 

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nice! I'm also in the process of doing the vk swap and been talking to driven desire as well and I'm gonna let them do all the work cause I'm not that mechanically savy lol.


I will be watching this closely... Drooling along the way, I'm sure. Sweet ride man!

Also, and probably slightly off topic... Does anyone know how or if a VK56DE would affect Commiefornia SMOG certification?

Sent from my SM-G965U using Tapatalk
I've seen driven desire post about it and it can be done but it's pricey i think to get it to cali compliance
 

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Wonder if the smog dude would even notice....although now that they plug into obd port, may flag something.
 

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I will be watching this closely... Drooling along the way, I'm sure. Sweet ride man!

Also, and probably slightly off topic... Does anyone know how or if a VK56DE would affect Commiefornia SMOG certification?

Sent from my SM-G965U using Tapatalk


It’s not hard you just have to make sure you have all the receipts with vin#s for the engine, trans and ecu to show they aren’t stolen. Also have to make sure that you use same year or newer VK. Obviously you need to use California compliant parts. Any stock Titan is California compliant, you just need to make sure you have the paperwork for aftermarket parts installed that show they are California compliant. PAPERWORK IS KEY! Most of our (Driven Desire) difficulty with getting it to pass was with the Refs as they were very skeptical that we did our homework on the subject and checked all the boxes. Even when we were showing all of our documentation it still took a few appointments till it was signed off on. The owner who went through the process feels confident nobody would have known the wiser as it passed the smog test with ease, but we wanted to go the legit route. I attached a picture of the truck and the sticker that was affixed to the truck after it passed. 59520C42-610E-4E8A-BF7F-FDF51237A7A9.jpg
 

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Discussion Starter #11
It’s not hard you just have to make sure you have all the receipts with vin#s for the engine, trans and ecu to show they aren’t stolen. Also have to make sure that you use same year or newer VK. Obviously you need to use California compliant parts. Any stock Titan is California compliant, you just need to make sure you have the paperwork for aftermarket parts installed that show they are California compliant. PAPERWORK IS KEY! Most of our (Driven Desire) difficulty with getting it to pass was with the Refs as they were very skeptical that we did our homework on the subject and checked all the boxes. Even when we were showing all of our documentation it still took a few appointments till it was signed off on. The owner who went through the process feels confident nobody would have known the wiser as it passed the smog test with ease, but we wanted to go the legit route. I attached a picture of the truck and the sticker that was affixed to the truck after it passed. View attachment 106564
Thanks for your help. It's time to 6-speed/VK56 swap the world.
 

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just making sure i'm following along. so the clutch / flywheel are the same as the stock there now? (I seem to recall someone saying the 350z / X share the same).
I just ask because the clutch on the Xterra is definitely weak sauce and I'd imagine the greater HP would not lengthen it's life. If I misunderstood then disregard ;)
 

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just making sure i'm following along. so the clutch / flywheel are the same as the stock there now? (I seem to recall someone saying the 350z / X share the same).

I just ask because the clutch on the Xterra is definitely weak sauce and I'd imagine the greater HP would not lengthen it's life. If I misunderstood then disregard ;)


The X and the 350z clutches are not the same. We opted to use a 350z clutch as there is a wider selection of clutches available to handle the torque of the VK. This is why we recommend a clutch able to handle at least 400ft lbs of torque
 

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Discussion Starter #16
The X and the 350z clutches are not the same. We opted to use a 350z clutch as there is a wider selection of clutches available to handle the torque of the VK. This is why we recommend a clutch able to handle at least 400ft lbs of torque
So the adapter plate Driven Desire enables the use of the 350z clutch? If the flywheel bolts patterns and clutch backspacing is the same then doesn't that mean they are interchangeable? Did you use the X or 350z flywheel?
 

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So the adapter plate Driven Desire enables the use of the 350z clutch? If the flywheel bolts patterns and clutch backspacing is the same then doesn't that mean they are interchangeable? Did you use the X or 350z flywheel?


We used a 350z clutch and flywheel. We haven’t tried using the VQ40 clutch and flywheel to confirm or deny compatibility.
 
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