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I switched pulleys to a 3.70 from a 3.90 and make between 7-8 PSI I believe now. 509 HP to the rear wheels. Tune from SHM is laughable and totally amateur as a compliment. Thanks for all your help fellas.

Wow that's a big difference in boost! Did you change out your oil pump gears?! I ordered a 3.70 pulley from a different company but don't think it will make much difference than the 3.90 stock size. I've already put an email in to Andrew and hope to get a response tomorrow. Still not sure why...

Thanks the reply. What kind of boost were you getting with the stock pulleys? What are you getting now? How long did it take Z industries to make your custom pulley? Cheers.

Chris, I'll take your advice and appreciate the response! I have forwarded your post to the tuner and will await their response. I'll keep you posted.

Thanks for the replies fellas. My car is at Fathouse Fabrications in Indy. I'm going off info they have provided to me. I will pass your responses on to them and see what they have to say. Stay tuned.

Hey man. Fellow Canuck here. I see it's been a while since you posted on here but I had some questions on your SHM supercharger setup. Wondering how you made the boost you did? I have his setup and can only get 3lbs with that massive pulley. Did you change out your pulley? Thanks man. Ryan...

Hi all, Just curious if anyone on here is running the Sean Hyland Motorsports Eaton TVS 2.3L supercharger. I have it on my 67 coyote swap build and the car is at the tuners right now. We can only manage to get 3lbs of boost with the massive pulley on this unit and are currently looking for a...

Sorry to resurrect an old thread, but curious as to how your SHM supercharger is getting that kind of boost? I have his unit on my coyote and can only seem to get about 3lbs of boost with that massive pulley. Looking at alternatives, but the guy doesn't return phone calls very well. Thanks in...