Boost Limit for the Stock OEM SR20DET Recir Valve - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

noynek · 05-23-2011, 02:35 PM

Hi there

I know that many have talked about the OEM SMIC and Heat Soak associated with high boost. My Searches have yielded many answers in that dept.

I'm interested, however in the physical OEM Recirculating Valve and its boost limits as it relates to diaphragm strength.

Thanks much

KaminaSan · 05-23-2011, 02:45 PM

You can expect it to start leaking boost/opening prematurely at around 11 psi.

noynek · 05-23-2011, 03:01 PM

Quote:

Originally Posted by KaminaSan

You can expect it to start leaking boost/opening prematurely at around 11 psi.

Thanks much. If anyone else would like to concur or add their two cents it would be appreciated. Ive read of the diaphragm of OEM type Recirculating Valves rupturing under "high" boost. This is the reason for my question

camaro379ss · 05-23-2011, 03:12 PM

I too have heard around the 10-11psi range.

herbieS13 · 05-23-2011, 03:46 PM

+1 for 11psi

noynek · 06-05-2011, 07:31 AM

Thanks Guys for all your input. I'll work with 11psi

05-23-2011, 02:35 PM	#1
noynek Leaky Injector Join Date: Aug 2009 Location: Caribbean Posts: 71 Trader Rating: (6) Feedback Score: 6 reviews	Boost Limit for the Stock OEM SR20DET Recir Valve Hi there I know that many have talked about the OEM SMIC and Heat Soak associated with high boost. My Searches have yielded many answers in that dept. I'm interested, however in the physical OEM Recirculating Valve and its boost limits as it relates to diaphragm strength. Thanks much

05-23-2011, 03:12 PM	#4
camaro379ss Zilvia Junkie Join Date: Mar 2011 Location: Indianapolis, IN Posts: 363 Trader Rating: (4) Feedback Score: 4 reviews	I too have heard around the 10-11psi range. __________________ 1991 Nissan B13 Sentra sr20det 300whp/1991 Nissan S13 240sx sr20det ~260whp

05-23-2011, 03:46 PM	#5
herbieS13 Zilvia Junkie Join Date: Nov 2008 Location: FT Campbell, KY. Posts: 329 Trader Rating: (2) Feedback Score: 2 reviews	+1 for 11psi

06-05-2011, 07:31 AM	#6
noynek Leaky Injector Join Date: Aug 2009 Location: Caribbean Posts: 71 Trader Rating: (6) Feedback Score: 6 reviews	Thanks Guys for all your input. I'll work with 11psi