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send it to steigmeier and have it ported and get the torktech intake manifold(intercooled) and put the ported blower on and get the necessary supporting modifications and you'll be good for like 350rwhp or maybe more. And then if you aint where you wanna be, you can just put a smaller supercharger pulley on to up boost. Here's a link to steigmeier's website for porting info...
send it to steigmeier and have it ported and get the torktech intake manifold(intercooled) and put the ported blower on and get the necessary supporting modifications and you'll be good for like 350rwhp or maybe more. And then if you aint where you wanna be, you can just put a smaller supercharger pulley on to up boost. Here's a link to steigmeier's website for porting info...
at like 10-11psi the guy who designed the kit was making around 390rwhp and 440rwtq without porting the blower. people don't give the eaton enough credit. the eaton isnt a bad blower they just suck on the cobras because people are pushing 18+ lbs of boost and yes its going to heat up bad spinning that fast, but on a GT not seeing anywhere near those boost numbers it is fine. but you can do the 1500$ vortech so why spend 1900$ on the adapter plate, 300-500$ for the blower on ebay, 850$ for the intercooler, the heat exchanger and all the other bull**** you need to buy.
my truck ran 6#s with a heaton on a 5.4 and it was hot as ****....every pass i made i lost a tenth because of heak seat, unless i let the truck cool for an hour between runs...