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Discussion Starter #1
when money permits im going to buy
*used centrifugal blower kit
*255 lph fuel pump and regulator
*42 pound injectors
*pro m mass air
*dyno tune!
*maby a crank pulley and power-pipe if i need it
*boost gauge

so far i got 900$ saved and thats my plan ,right now i think i got 290rwhp shifting at 6k rpm(tfs1 cam is great)

how much boost will it take to hit 400 hp?
 

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I dont think that motor will handle 400 Hp, the only upgrade I saw in that respect was hardend pushrods, It might make 400 Hp but not for long.
 

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An 8psi boost will yield a ~45% HP gain so that should achieve what you're looking for.
in order to reach 400 hp to the wheels you will need more than 8 psi with a centri blower...
 

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I dont think that motor will handle 400 Hp, the only upgrade I saw in that respect was hardend pushrods, It might make 400 Hp but not for long.
With proper tuning 400hp in a 5.0 HO is not a problem. The only place you need to be careful is the hypereutectic pistons. They will work unless you have any detonation and ignore it, they will shatter. Again, a good tune is even more paramount if you're using hypers.

in order to reach 400 hp to the wheels you will need more than 8 psi with a centri blower...
I don't think he spec'd 400 to the wheels (?).
But yes, I think that would be a very tall order. 400 at the crank with 8psi sounds very reasonable to me... but I am not a forced induction expert.
 

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Discussion Starter #7
yea i was hoping to put 400 to the wheels but would be happy with 370+


but with a dyno tune my hyperpathetic pistons should be ok right
 

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yea i was hoping to put 400 to the wheels but would be happy with 370+


but with a dyno tune my hyperpathetic pistons should be ok right
they really arent as bad as people make them out to be. they can still take a beating....you will be fine
 

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Tune will be key and will keep most motors together since that is one thing people overlook. 10 lbs should put you around the hp area you want fo sho:bigthumbsup You understand that other componennts will assist you in making more power but it is attainable with your current combo.
 

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To get another 100 rwhp with a blower should be cake. I gained over 130 with stock 5.0 e7 heads intake cam and all...likebullitt said..blowers work on a % gain..not specific hp gain..with watu got u should be able to get it with even as low as 6 tp 7 pounds of boost
 

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Discussion Starter #11
thank for your help guys



no only if i had all the money lol
 

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8 psi and some methanol injection would get you what you want. I highly recommend the meth or an inner/aftercooler with your combo. The p heads raise your compression and detonation is bad on them and your hyper pistons. I use meth big help from detonation along with a tune of course.
 

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Discussion Starter #13
i dont want to do meth injection cause its a street car(how street friendly is it and can i just use water???)

so how do i do a air to air inter-cooler on a passenger side vortech/paxton

looks like i might have to go procharger
 

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Not sure on the vortech psxton..bu suree love my procharger! Intercooler pipe doesn't even get warm to the touch after beating the s***out of the car..lowers intake tems significantly n soo much better for the engine n makes more power too! Gonna cost more thou..
 
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