(Except, again, what's more likely to break?) Roughly speaking, there's not much functional difference between burning one liter of air-fuel mixture in a one liter displacement or in a half liter displacement with 14.7 PSI of boost. This is also why some people refer to superchargers as "like having more displacement" (especially positive-displacement belt-driven superchargers, which act fairly linearly, unlike centrifugal superchargers / turbos - though these days companies design systems with them to feel more linear too.). Supercharger boost is also a measure of restriction, so with better breathing (better heads, more valve lift, whatever) you can actually see a reduction in measured boost PSI using the same exact setup (belt-driven at the same engine RPM with no belt slip, for example.) So hypothetically, "one bar of boost" means you can double the amount of oxygen going into the cylinder, therefore doubling the amount of fuel that can be injected, therefore doubling the power generated on the power stroke. In a perfect world, 6 psi of boost would be (14.7 + 6) / (14.7) more air than normal.Īs a result, you can add more fuel to keep the same air-fuel ratio. So if you have 6 psi of boost, nominally that would mean that you're getting (14.7 + 6) psi air pressure into the cylinder. You can use a supercharger - there are belt-driven superchargers, electric superchargers (some of which don't do shit, you need a lot of power for this), exhaust-driven superchargers (turbochargers), even passive superchargers (not really in use anymore, but there used to be cars that at high speeds would ram air off the windshield into the air intake with a supercharging effect) - all of these devices compress air so that you can get air going into the cylinder at more than one bar. So if you open your throttle and you open your air intake valve, air rushes into the vacuum being created by the downwards motion of the piston, right? At a pressure of one bar, if you're at sea level.
(One bar is approximately equal to one atmosphere, so people often say "one bar of boost".) Will my husband divorce me if I dehydrate tomatoes in his F-150 truck?ĭennis Collins, a Highway Accident Investigator at the National Transportation Safety BoardĪt sea level, air is at one atmosphere of pressure (14.7 PSI) average. The wonderful and epic tale of Yoshi the Yarisįorget the trunk monkey, check out trash pandas. Tire reviews? Tires questions? Post them here.Ĭar trouble? Your title must include year/make/model and a short description of the problem.įor information on content removal, user warnings, and bans, please see the Chain of Action page. Tint questions and advice? Post them here Trying to identify a car? Try /r/whatisthiscar, /r/namethatcar, or /r/rbi.
#WHAT IS TURBO BOOST 3 CODE#
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