Quote:
Originally posted by cashizslick
the BOV bleeds some but not all of the pressure - If the bov bled all the pressure and the turbo stopped spooling, then bov's would be a useless mod and nobody would get them cause it would cause a major loss in power.
Bov's bleed enough pressure to keep the turbo from hurting itself, but not enough to cause the turbo to stopp spinning - thats why turbo cars are able to take advantage of a slightly longer gear ratio than an NA car.
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it doesnt matter how much it bleeds, it still bleeds pressure and it wont build back up until you're in the next gear. obviously the turbo isnt going to stop spinnning but its spinning slower in the beginning of each gear than it was at the end of each gear.
Look the more power you have the longer your gears can be without making the car too slow. it has nothing to do with boost, it has to do with power. big v8's make way more power than a boosted 4cylinder, they come stock with longer gears cause they can still run 13 sec 1/4mile times. BUT what is one of their first mods????????????? changing out the rearend gears to make the car ACCELERATE faster.
Boost or no boost shorter gearing makes a vehicle accelerate quicker, longer gears give you a higher top speed and better gas mileage.
There is a way that shorter gears can give you a higher top speed but thats a whole different story.