any benifit for extenal wastegate?
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any benifit for extenal wastegate?
i have one now that just vents to atmosphere and is loud as hell when on boost. Any benifit to having it open rather than plumbed back into the DP.
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Originally Posted by KevinW
so there shouldnt be any performance loss if i plumb it back into the DP
If you plumb it back in with a nice smooth transition down by the end of the downpipe you shouldn't suffer much/any power loss. You should avoid plumbing it back in at 90* to the downpipe and keep it as far away from the turbo as you practically can.
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Drag cars almost always have a WG dump pipe seperate from the DP. Even if it's a small gain I think removing that little bit of turbulance from the exhaust helps the performance.
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If you use a v-band style wastegate there is no reason why you can use a v-band, they are just more expensive. The tial 44 mm comes in V-band I think. If you wanna spend the money on it, V-band everything, it makes R & R a sinch.
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oh, i dont think i want to change anything thats on the car i bought it really modified and dont want to mess anything up. i also dont want to spend too much money on it. any pics or sites where i can look at what you talking about?
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i dumped to atmosphere and it sounded like a race car...BWAAAAAAAAAAAAPPPPAAAAAAAAAAAHHHHHH!!
really obnoxious if you live in the city.
performance loss is minimal...but its enough for the racers to not vent to exhaust.
I actually didnt like the sound...so i had steve put it back thru exhaust
j
really obnoxious if you live in the city.
performance loss is minimal...but its enough for the racers to not vent to exhaust.
I actually didnt like the sound...so i had steve put it back thru exhaust
j
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External wastegates eliminate the chances of boost spiking or creeping if installed properly. Some, (NOT ALL) internal wastegates have this problem, but some do mainly because of larger exhausts and the more free flow. The internal flapper cant close as easy to regulate boost. This can also be helped alot with a boost controller.
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