Thread: which synthetic oil do you prefer??
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Old 05-04-2010, 11:01 PM   #35 (permalink)
gumpy
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Quote:
Originally Posted by Danny3.7 View Post
Guys I swear I lost hp and tq with Royal Purple 5W30 with this engine. and from what I have heard the 350Z HR guys have quoted the same. This stuff works wonders for the old VQ and it is what i ran in my G35C, but not in the Z, never again. It was my first mistake I made with this car. redline FTW!!
oh that's a shame... though i probably won't notice it cause i'm changing from the factory fill....
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