Quote:
Originally Posted by e90_503
You sure its a G1 with the upgraded blower unit?
I have a VT1-550 kit with the older blower and it sounds like a can of rocks at idle. Purchased refurbed from ESS, sent them a video, they confirmed it is fine...
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Funny you should say that. The owner of ESS just emailed me back and stated that it's actually a normal sound at idle. Something to do with the synchro gears. He said as long as the sound smoothes out when you increase rpm it's all good. I checked and the sound does go away above idle.
He suggested I do a 50/50 mix of supercharger oil and royal purple 75w90 to help with better lube adherence. He was super friendly and even offered to check it over for me if I was still worried. Based on his response and friendliness, I'm an ESS fan for life.