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#1 |
![]() ![]() ![]() ![]() ![]() ![]() ULTIMATEDrives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,857
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better springs = stronger or "high pressure" springs
I don't have a recommendation, I have stock springs and I'm happy with my results so far. I see no need right now for higher revs - the car doesn't make more power up there.
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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#2 |
![]() ![]() ![]() ![]() Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 577
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In the microimage forums you mentioned in your thread (on last page 7) that art used stronger springs. Are you sure they are stock?
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#3 |
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1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I can almost guarantee that you're starting to float the valves past 6000 RPM. With 20 psi of boost pushing them open, plus the high revs and the fact that they are pretty soft to start with.
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