Quote:
Originally Posted by NY930
I have a separate wastegate with a .8 spring installed that I use during the summer heat and another wastegate with a 1.0 spring when it is cooler or for DE track events.
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Just my 2 cents
During winter , the air density is much higher. So with 1 bar spring + higher air density, you can run closer to the knock limit than with 0.8 bar during summer .