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Originally Posted by shadow85 they say their kits ship out with 5-7psi spring unless requested for other ones. But I am seeing 9.9 psi in 4th gear redline on my
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#1 (permalink) |
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A True Z Fanatic
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Why is this not your most immediate concern, rather than your tires? More boost than expected is not necessarily a good thing.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent |
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#2 (permalink) | |
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Track Member
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...your spring pressure on the wastegates should be pretty close to your boost pressure if not you need to find out why ..could be vacuum line not connected right ..or could be have came off ..got cut ....and I would verify which spring in in the waste gates.....the traction isn’t really something “wrong” that needs to be fixed ..it’s a effect of having a boosted Z ...you just need to learn to use it ...but not knowing what boost you should be running and just running whatever it gets can cause that’s what it does to me is a much higher priority
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#3 (permalink) |
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Track Member
Join Date: Oct 2013
Location: Las Vegas NV
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Drives: 2010 370z Nismo
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1. Boosted Performance 620whp/489tq
2. 12 Psi 3. Ecutek Tuned by Seb 4. Mickey Thompson ET Street SS 305/40/18 This is my first boosted car and tire setup. I can say it's ALOT better than the stock nismo tires. It doesnt hook in 1st or 2nd but I'm pretty sure I need the driver mod. After I wear these out I will probably go with a 305/45/18 next.
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Boosted Performance Single Turbo 618whp/489 tq |
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#4 (permalink) | |
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Track Member
Join Date: Jul 2015
Location: South Australia, Austra
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Drives: 15' 370Z A/T AMM TT
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Nice. What fuel are you using? Also I recently upgraded from 275/35PSS to 305/30 RE71R. All I can say, is its a huge difference. I feel much more safe on these new tyres! |
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