Not Ranked
You don't want to big a PV...Stop and go driving will open the PV because vacuum drops at take off, even if you're not at WOT, so you're just dumping raw fuel into the engiine and not burning it. Even with a 2.5 PV at WOT you'll be well past 150 mph before it even thinks about closing, if everything else is sized right.
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Jack
XSSIVE .....
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