07-08-2014, 11:16 PM
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#11 (permalink)
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A True Z Fanatic
Join Date: Dec 2009
Location: 03350 Australia
Posts: 1,516
Drives: 09 Nissan 370Z M6
Rep Power: 39975
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Quote:
Originally Posted by aszyd
Is there a built VQ37 that can do 9k?
I find 3500 to 4K to be my normal driving and 7k to be spirited. Very rarely do I push more than that. With Uprev set to 7800, it can bounce off of 8K easily, not so sure about safely.
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The Conti-series GS Nissan Motorsport race engines run to ~8800rpm, the GT4 series engines built in the UK run 9000+. IES in the UK will build you a screamer that runs to 10,000 but engine-life is "short".
The key is a dry-sump oil system (or NISMO oil-pump for the VQ if remaining wet-sump), otherwise the OEM oil-pump gears sh1t themselves at sustained running over 7500rpm which turns the engine to toast.
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