Nissan 370Z Forum - View Single Post - Problem with VQ37HR

GodISmE · 03-17-2021, 02:06 AM

No we used stock valves. If this was the machinist's fault, wouldn't I have an issue with the exhast valve lash as well?

I was thinking stock HR springs could be too weak at high rpms around 7500 with such aggresive cam / ramp like the Tomei 280/11,3. They discontinued them and now only offer 282/11,3.
Perhaps it caused the valves to slam or bounce on the seats, no?

03-17-2021, 02:06 AM	#3 (permalink)
GodISmE Base Member Join Date: May 2017 Location: Poland Posts: 3 Drives: 350z Rep Power: 8	No we used stock valves. If this was the machinist's fault, wouldn't I have an issue with the exhast valve lash as well? I was thinking stock HR springs could be too weak at high rpms around 7500 with such aggresive cam / ramp like the Tomei 280/11,3. They discontinued them and now only offer 282/11,3. Perhaps it caused the valves to slam or bounce on the seats, no?