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Originally Posted by TBatt
Yes, I'm using the stock Bosch bov. It seems to be working because when I do back off of the throttle I can hear a bunch of air being let off but it could still be leaking.
Yes, again on the stock cats. I'm only looking for 9-10 pounds of boost and I should be there with my setup.
I broke down and ordered the Tial BOV from Jegs during lunch. I would rather have it and not need it than need it and not have it. I need to either give up or launch an all out attack on the problem. I don't give up easy........
I'm really looking forward to seeing what dyno numbers turn up with the other builds. It seems that with 8.4 psi I should have seen well over 400 whp or am I dreaming?
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If you take a look at the stickied finished stillen supercharger builds thread, at 8psi for Stillen, the HP range from 390 to 445HP and they probably weren't done on the same type of dyno, correction factors or ambient temps. Results can vary.
I was expecting more from 9.75 psi but I only came up with about 436whp but I was tuned on 91 octane and depending on how "safe" the tune is, numbers can vary. Also, all cars are not built the same, some produce a little more power than others.
It's not like you're producing 350whp on 8.4psi. That would not be normal for a custom tune.
Did your tuner do a before supercharger dyno? Interested to see the before number for delta comparison as well. My before supercharger dyno was 288whp, so I gained about 148. Only mods I had before supercharger were Uprev tune and FI catback exhaust with stock cats.