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Yes, I saw that a few days after posting my question, Thanks.

Just to clarify, that quote is not mine it is Brady from 5 Star. I do agree that premium fuel a must at these levels of boost. I also think it is too early to tell if 20+ psi is "too much" for the BS. Many Hondas do that all day long, time will tell for this engine.

Brady from 5 Start did follow up and offered this bit of info.. "On 87 octane you will see 18-20psi and on 93 you will see 20-22psi." So, yes, it was pretty much close to what you susupected. I do agree that there is a lot more to just adding boost to make all this happen. Charlie

I emailed 5 Star and asked if they would share a graph with the Boost Pressure (MAP) and here was their reply........... "I do not have an exact graph showing the boost differences, there are many different variables that affect how much boost these things will run. We do allow them to run a...

I am curious if anyone could post a dyno graph of the HP and Boost for a 1.5L engine.

I dont suppose they shared with you how much boost they added to this tune did they?