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oldman · 10-24-2018, 11:02 AM

This is what I know, based on the stage II intercooler, the base no welded (bung and hose) proflow valve is good for 7 PSI. The 2" red race valve is good for more, but even that is limited. If you have the bung, it is a pain weld in process for the race valve.

I'm not sure I'd put an stock into what Procharger says or does not say. The OP clearly says there is a failure, that IMO is well known above 7 PSI.

For me with the bung, going to my target of 709 WHP, I intended on getting a real hose mounted BOV for the bottom of the intercooler, as well as a valve for the high side, probably weld on to intercooler pipe. I have no comment on a cheaper or simpler solution. I only know what works.

I have no comment on the HO intercooler which IMO is misnamed.

10-24-2018, 11:02 AM	#5
oldman Drives: SS 6 speed of course Join Date: Jan 2016 Location: Hilo, HI Posts: 4,346	This is what I know, based on the stage II intercooler, the base no welded (bung and hose) proflow valve is good for 7 PSI. The 2" red race valve is good for more, but even that is limited. If you have the bung, it is a pain weld in process for the race valve. I'm not sure I'd put an stock into what Procharger says or does not say. The OP clearly says there is a failure, that IMO is well known above 7 PSI. For me with the bung, going to my target of 709 WHP, I intended on getting a real hose mounted BOV for the bottom of the intercooler, as well as a valve for the high side, probably weld on to intercooler pipe. I have no comment on a cheaper or simpler solution. I only know what works. I have no comment on the HO intercooler which IMO is misnamed. __________________ Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires. Last edited by oldman; 10-24-2018 at 12:18 PM.