Thread: turbo build: Holset hx30 turbo, or twin scroll HX35?
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Old 05-04-2013, 04:57 AM
bazza bazza is offline
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Re: turbo build: Holset hx30 turbo, or twin scroll HX35?
Quote:
Originally Posted by BackWoodsBob View Post
An HX40 on an ej22 hits full boost (psi not given) at 5500rpm. So, that's ridiculous and not really worth it to me. According to an engine calculator, for 1bar of pressure, at 6000rpm I'd need 42lbs/min from a turbo.

The HX35 hits almost 60lbs/min and would start building positive pressure in the 3-3500 rpm range. The HX30 is way too small, it would be okay for a 5-8psi na setup at about 36-42lbs/min.
My gt35r is a 65 lb turbo... around 5 psi at 2750 rpm... It's about size of the hx40 isn't it?
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