NISMO Uprev tune no gain?

JARblue · 03-31-2015, 08:02 AM

I got my tune on an essentially stock Z - R2C intakes were my only mod. I didn't notice any real power gains, and I didn't expect any. I got a very improved throttle response, which is what I wanted. I noticed a bit more low end torque as well.

Also, the nismo oil pump is only slightly stronger than the base model one. Neither can sustain 8K RPMs

2011 Nismo#91 · 03-31-2015, 09:35 AM

Quote:

Originally Posted by JARblue

Also, the nismo oil pump is only slightly stronger than the base model one. Neither can sustain 8K RPMs

Really, never heard anyone having problems at 8k. Only heard them explode at 8.5k+. Anyway there is a host of other issues with higher revs that an improved oil pump will not help with.
1. Poor stock oil pickup for track running - major oiling issues in high g turns
2. VQ37 heads with VVEL run very hot especially at higher RPMs. Hot heads not good. Especially when you run RPMs beyond design spec.

Chuck33079 · 03-31-2015, 09:37 AM

Quote:

Originally Posted by 2011 Nismo#91

Really, never heard anyone having problems at 8k. Only heard them explode at 8.5k+. Anyway there is a host of other issues with higher revs that an improved oil pump will not help with.
1. Poor stock oil pickup for track running - major oiling issues in high g turns
2. VQ37 heads with VVEL run very hot especially at higher RPMs. Hot heads not good. Especially when you run RPMs beyond design spec.

There have been quite a few failures due to running 8k rpm. Raising the redline is playing with fire. It's not worth it to gain a few hp.

2011 Nismo#91 · 03-31-2015, 12:16 PM

Quote:

Originally Posted by Chuck33079

There have been quite a few failures due to running 8k rpm. Raising the redline is playing with fire. It's not worth it to gain a few hp.

Yep from oil starve and overheating.

03-31-2015, 08:02 AM	#1 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 45 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684442	I got my tune on an essentially stock Z - R2C intakes were my only mod. I didn't notice any real power gains, and I didn't expect any. I got a very improved throttle response, which is what I wanted. I noticed a bit more low end torque as well. Also, the nismo oil pump is only slightly stronger than the base model one. Neither can sustain 8K RPMs __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

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