Thread: Lighter valve springs - an OEM efficiency tactic
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Old 11-22-2015, 10:23 PM   #32 (permalink)
MetroMPG
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2016 Prius: lighter valve springs
Zombie thread alert!

I thought of this discussion when I saw this slide from the U.S. press introduction of the 2016 Prius:

Quote:
"Reduced valve spring load"


From: The 2016 Toyota Prius Is An Enthusiast's Car
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