Quote:
Originally Posted by CW3SF
I still don’t see a problem with 700whp on stock pulleys and no cooling issues. E85 ftw.
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Many others have had cooling issues. So maybe you just got lucky or you actually are having issues and don't wanna admit it or you don't know you're having issues.
So here's the thing. OP asked a simple question. Or rather, 3 simple questions. Yet when I answered him it seems like some people don't like the answer. So do people want an answer or do they just want someone to tell them what they want to hear. Because I can do either of those.
1. At the same boost level, is it even noticeable?
No. It is not noticeable. If that is what you want to hear.
2. With the improved cooling from the 2650R does it help at all for casual driving?
No. Not at all. If that is what you want to hear.
3. Is there any perceived loss of power due to the larger blower rotors at part throttle when not under boost?
Yes. If that is what you want to hear.
Now in my experience, nobody asks a question about a blower setup unless for some reason they are unsure of their own particular setup. I'm not asking anyone if the 2650 is superior to what I have (Whipple 2.9) because I know for a GD fact that the 2650 IS indeed better. Not a question or doubt about it. However, the 2.9 that I have is enough to exceed my needs...for now. When I get to the point that I max the 2.9, then the 2650 would be no better and I'll most likely be switching to something superior than both. But OP is asking about the 2650 in comparison to his setup because to me it is obvious that he has doubts about his system. Either that or he is experiencing some issues with his. Or perhaps he is considering switching. Because there would be no other logical reason to start an entire post about this when this has been debated and discussed many times. So color me taken aback kinda sorta.
So now, is the stock blower capable of 700 RWHP? Yes. Can it do so efficiently? Yes depending on many factors and many ancillary and supplementary parts. Will it have cooling issues? Maybe. Maybe not. Depends on many factors. Will you be satisfied with it? Well if you're asking about the 2650 then I would assume you're not satisfied.
Is the 2650 or 2.9 better? Yes. Hands down. At any HP level, at partial throttle, at full throttle, max boost, boost per boost, max potential, in every possible way they are better. Not one person has said "hey let me ditch the 2650 and go back to the stock blower". Does any of this mean the stock blower is trash? No.
So take what you want from it. I don't care. If money is no object then go with a full build and get it all done in one shot. If money is an issue then do what your budget allows and be satisfied. If you just want a slightly above stock HP and you will be satisfied then do whatever you want. End of the day, your car, your money, your choice.