Want to verify vacuum lines on HKS WG..
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Want to verify vacuum lines on HKS WG..
I'm in the process of tuning a customer's car, but I wanted to verify the vacuum line going to the WG itself. It's a 40mm HKS unit on a B-series, two ports (top and bottom). I didn't hear the WG open on our initial drive though pressure held at 5psi, back at the garage I switched it to the top port and the WG would open when free revving the motor.. any suggestions??
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