Installed my Hallman boost controller today. I purchased 2 mosels. The original CNC Billet model w/steel ball in Red. And the RX model in Black. I'm no rocket scientist, but in reading the threads i wanted to be sure that I got the right controller. I installaed the RX controller first (ceramic ball). I did it in the AM and ran to temp and then adjusted it gradually until the Boost Spiked at 15-16 and leveled out at 9-10. All was well, until I ran the cruiser until it was hot (driven 1 hr. at highway speeds kicking in boost once in a while). On my way back home I found a stertch of I 495 w/no cars, cops, and a long straight run. I decide to let her loose. When the boost kicked in (autostick) and passing gear the boost spiked to 19-20 and the waste gate opened completely and shut down the boost. I also git a check engine lite. Following that i backed off the adjustment until it was completely foo, and the turbo still spiked @ 19 & got a check lite again. Returned to stock setup and disco the batt. to remone chk engine. All worked fine. Then I installed the standard model(Steel Ball) and had the boost cranked down as low as I could get it (I was wary) It worked fine so I commenced to adjust it. The adjustment is not as fine, but it is more steady. It spikes momentarily @ 15-16 at the most and then steadies @ 10-12. Ran rigerous test on it this pm and it has worked flawlessly even @ 120-125 mph. I don't know exactlt what to contribute the failure of the first valve other than under heavy accelleration & Boost the ceramic ball valve would open up wide and allow very high boost. I don't know if it is defective or is just too light (Ceramic Ball) fotr this application. This is my first attempt at contributing to this forum, but I love reading all of the stuff.
Drive it like you stole it !!
DRIVE IT LIKE YOU STOLE IT.
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