Quote: Originally Posted by tURBOsetch
The pumps tend to free wheel when not on..The typical pump that is in most of these kits doesn't hold presure with out a check valve installed on the low presure side.
The SurFlo pump in my Cooling Mist system would hold full pressure for about 6 hours. After that it would slowly drop pressure till it settled around 25 psi of line pressure after about 3-4 days of sitting.
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1991 Cavalier Station Wagon - 3.2L cammed and turbocharged V6
Fastest privately owned/driven SRT-4 at NPR's road course during the 2004 SRT4 National Meet
Drive it like you stole it.
Yes, I'm a water injection whore!!