Sounds like meth injection is the way to go if you are trying to stuff it hard.

Or just go whipple cooler and not worry about the core...a person could add a Meth as well.

i say convert to propane and you wont have to worrie about coolers of good fuel and crank up the boost!..

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Joe, Nice to see your post! Welcome to forum.

Well I spoke with Joe at The Blower Shop yesterday and he wasn't much help to be perfectly honest. As in his post he does not recomend buying used coolers because they only have a 2 season life span to begin with. Or maybe 3 seasons if your lucky and flush them and fill them up with antifreeze after each use. What a PITA that would be!!! Also it sounded like he was really going to help out with manufactures warranty but the best he can do is give me $100 off new cores which are $1200 each and then maybe get 2 or 3 seasons out of them. I know this is an expensive sport but damn. The worst part is he is out of stock on them for 6 weeks. There goes the rest of the boating season. Maybe I'm wrong but I sure don't feel like he was any help to my situation with 4 leaking Blower Shop cores. I will be calling Hardin Marine about their Cupornickel cores today.

Do you NEED intercoolers on your setup? I've been running a few different styles of blowers for years now, and been doing just fine without them.

How much hp do they make?

800hp

How much hp would you gain w intercoolers?

Considering my blowers are at 7% under driven , probably not much. Unless of course I crank the boost up. But I'm not into a engine that makes 550hp on motor , and trying to make 950hp out of it via boost. Doesn't work out real well if your looking for an endurance marine engine.