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Blow off valve sizing

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Old Aug 10, 2022 | 05:40 AM
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Default Blow off valve sizing

Is there a way to figure out what size blow off valve you need for your certain application?
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Old Aug 10, 2022 | 04:31 PM
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Just go with the 50mm, you'll be good.
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Old Aug 11, 2022 | 05:40 AM
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I bought the 50Mm but have yet to install it, on 10PSI it hasnt been a problem yet.
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Old Aug 14, 2022 | 06:21 AM
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I found some guidlines when I was replacing my BoV but I don't remember where. 38 mm was a bit small for my application. Somewhat larger than necessary shouldn't be a problem.

Try this;

Handy link to TurboSmart product advisor
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Old Aug 15, 2022 | 04:57 AM
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TurboSmart has diameters and ratings for their BoV's listed on their site

Kompact EM 28mm 600 HP
Kompact 28mm 600 HP
BoV5 38mm 800 HP
Big Bubba 50mm 1500 HP
RacePort 50mm 2500 HP
ProPort 54mm 3500 HP
PowerPort 60mm 3000 HP

Last edited by SteveJewels; Aug 15, 2022 at 05:22 AM.
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