Engine Mounts : Nissan Skyline

RB26 in the #bluecar

The RB26 uses two engine or motor mounts, one each side of the engine.  The third attachment point is the transmission mount.  The OEM mounts are rubber, and rectangular in shape.  It is not uncommon for the hot side, left side mount to fail, and let the engine roll over to the right.

Nismo has reinforced engine, and transmission mounts.  We have used those in a number of cars. Honestly not something that I have ever noticed, or noted any difference from stock to Nismo.  The issue with stock and Nismo is that when they do fail, the engine can rock till it hits something, as there is no stop or safety.

Kein Engine Mounts for RB engines

Nissan Cefiro, LCA31, ECA31, EA31, CA31, LA31, A31
Nissan Crew, THK30, YHK30, HK30
Nissan Laurel, ECC33, HC35, HCC33, HC33, EC33, HC34
Nissan Skyline, HR34, HCR32, HR33, YHR32, ENR33, ER34, ER33, ER32, ECR33, HR32, ECR32
Nissan Stagea, WHC34
Make yourself really stiff with these KEIN reinforced engine mounts! These mounts are fitted with heavy duty bushes that help prevent shift miss problems that are quite often experienced with OEM engine mounts. These engine mounts will also help save your exhaust manifold from cracking by reducing engine movement during harsh driving conditions. Mounts hold the engine firmly in place at all times, allowing greater transfer of all engine torque through the driveline.




Replace OEM parts №:

1122002u01, 1122002u02 1122002u03, 1122099P00
11220aa100, 1122002u00 1123371L01, 1122091L00




- Eliminates wheel hop / traction loss
- Made out steel K02001 / K02502
- Street and track torture tested
- Polymer painting(all color)
- 65A Durometer rubber bushings
- 5 Years Warranty
- Bolts with a strength of approximately 50 kN.

Silver project Nissan Skyline RB26dett engine mounts

They call these solid, but anything with urethane isn't really solid, more like stiffer. 

Solid Engine Mounts for SKYLINE RB26DETT
Perfect for drag, drift and track days

Other informations:

• poliuretane 63ShA
•  -Kit includes Left and Right Engine Mount (2 in pack)
•  -Helps Stabilizes Engine Torque
•  Testing in car
• -Better Drivetrain Response When increasing horsepower, engine torque causes engine to move excessively,
  thus placing extra load on the transmission and transmission mounts.
• Also recommended in Sport and Drift.


•  Fit :
•  - Nissan
•  SKYLINE RB26DETT

Nissan Skyline transmission mount

Buy USA Legal R32 and R33 Skylines at Importavehicle.com!
Buy-R.com for Nissan Skyline GT-R and GT-R parts.

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RB30 SOHC on the Engine Dyno Video

RB30 SOHC on the dyno

In this video from Australia, an RB30 engine, SOHC, or single cam, runs on the engine dyno. It says its running 50 psi of boost, on Ethanol E98. Sit back, and watch the headers glow under the load.



1250 horsepower. 960 lb-ft and spinning that thing to 8500 rpm. The RB30 is a square engine, runs 86 mm bore x 86 mm stroke.

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Nissan Skyline GT-R Advanced Notes

Mr Tamura, myself, and Dai Inada at TX2K24

The following is some old Nissan Skyline GT-R notes that Steve Mitchell took one day while hounding a certain “Mr. GT-R” May 18, 2002. Most of the notes relate to R32 GT-R’s, as that is what is Mr. GT-R’s (Hiroshi Tamura) personal trial car.

 

ENGINE

Camshaft lobe centers in 106 and ex 108 is best starting place
264 or 272 up to 600ps (Advancing the intake cam a little +4 degrees really helps low end response)
Prefers 10.1 mm lift

Mika Tan and the RB Motoring R34 known as Wasabi. I thought it was white at first, it was mint green. 

Minimum 3" exhaust from each turbo
Must have flex joint in downpipes to prevent cracking of #6 cylinder exhaust manifold. 4" minimum to equal 3" pipe flow



Prefers 720cc injectors (I like 1000 cc, do it once will be enough to cover about 1000 hp, and idles fine)
Modified stock fuel rail (N1 race car had a -6 entry onto a modified stock style fuel rail)
2 stock fuel pumps up to 600ps. 2 Nismo pumps for 600+ in parallel in tank
Use fuel cell foam in R32 tank due to fuel slosh problems



Add a separate oil drainback from the rear of the head to the pan Use Trust style oil pan modification kit (the trust hangs so low, I am not a fan of it on a street car)

Back of Brian's RB26 with the HPR drainback. This goes to a Leask Spec extended oil pan. 

Use late style crankshaft with wider oil pump drive

Stock crank good to 600ps if balanced
Prepped crank and rods good to 700ps max, (deburr ,polish , shot peen , balance)

• Use metal headgasket after 450ps for circuit racing 1.2 mm or 0.9 mm
• Use aftermarket rod bolts , Isky in the UK ??
• 
  
• Only minor head porting is required , cleanup and bowl work
• Push intake splitter back and knife edge
• Unshroud intake valves and remove all sharp edges to combat detonation , leave exhaust quench pad alone for under 800ps. He sometimes removes the intake quench pad as well.
• For 800 +ps remove both quench pads like Porsche 996 turbo combustion chamber
• 
  
• Use forged pistons Tomei or Renik , he likes oil gallery pistons (OEM are oil cooling channel)
• Use Nismo timing belt - much stronger
• Re-check cam timing after 1000 miles due to belt stretch
• N1 oil pump is only higher pressure , volume is same
• 
  
• 11 tooth N1 , 12 tooth Standard
• 77 mm outer gear N1, 81 mm outer gear standard
• Oil pump info from Skylife
• 
  
• Nismo oil pump is higher pressure.
• Oil cooler is required (two more more for a serious car)
• Center main journal clearance is very critical
• #6 cylinder runs leanest . Flow test injectors and put largest in rear and smallest in front.
• 
  
• Fully divorced wastegate is not good . Should only be divided for 30mm to prevent cracking and warping issues on stock type turbos
• Add bracing to wastegate actuator or extra springs .
• Wastegate hole in turbo housing should be made smaller diameter and the puck arm modified to open further by shortening arm length. This helps spool up by preventing the exhaust flow from sucking the puck slightly open.

Stock inlet hose to rear turbo collapses due to vacuum , replace with steel
Rear turbo always runs much hotter and fails first .
It also produces a different pressure than the front turbo and this contributes to turbo surge (divided twin turbo pipe helps calm surge)

R34 Vspec II has NACA duct to help with rear turbo cooling
Replace intercooler piping with silicone or hard pipes

Add hole to stock airbox though fender well (if you run the stock airbox, gangster if you do)



Change resolution of ECU map to have more data points at high rpm
Use Z32 AFM's or Apex'i D-Jetro for best response (R35 MAF, and a NISTUNE works for up to about 600 hp)
Use a different ECU map for each gear , determined by rpm and mph inputs

Use NGK 5400-10 plugs for racing and 5400-9 for street , Alternate is Denso 32R for race and 31R for street

He uses custom made coils with 60kV output . Stock is 45 kV.

   R35 coils are a popular upgrade in 2025      

Stock N1 exhaust manifolds are cast molded stainless. Port to 50mm , but weld up outside first with stainless rod

Stock manifold on left, Modified N1 on the right

     Tomei has some nice cast replacement manifolds

25-50wt Redline synthetic oil or Pure 10-60 synthetic oil.

CHASSIS

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Honda V10 F1 engine on the dyno

The sound. Listen to an engine at nearly 20,000 rpms. It just sounds really, really pissed off. I love it. Testing it just like its out on the track running. Up and down though the gears. Little balls of blue flames on the shifts.

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