Twins or Big Single?
My main concern is drive-ability, i love to drive my car everyday, so I don't want to sacrifice longevity and reliability for hp? I think there can be a happy medium?
By chance does anyone know if the gt45 76mm or 80mm are any good? For a cheap quality turbo i thought either would be a good fit on paper but cant find any hard data on how they perform.
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Joined: Jan 2011
Posts: 1,215
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From: Old Bridge, NJ/Corpus Christi, TX
I have a billet S480 from Forced Inductions on my 370. I won't be running it max effort, but I know another customer of theirs made 1280rwhp with the exact same ci/turbo with the wastegate pinned closed.
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Joined: Jan 2014
Posts: 362
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From: Torrance Ca
Its just gonna come down to your own research. You can get as expensive or as cheap as you want. Im a broke college student so i cheaped out and bought a vs racing sloppy kit with the 80mm gt45 upgrade. I should be done by the summer time ill let you know how it goes hahaha. But anyways, just read read and read, and then read some more.
IF all you want is 5-600, then go with a borg cast wheel s475. That turbo will take you over 700hp easliy when you are ready for it. IMHO twins become very appealing when you want 800+whp. If space is an issue, look at the Turbonetics or Precision 7675. Precision has gotten a pretty bad wrap lately but most of the issues seem to revolve around turbos other than their 76mm
As far as 80mm turbos (or turbos in general) go, BorgWarner's will always be the cheapest reliable options. On3 turbos seem to be doing extremely well, but i wouldnt call them proven yet.
Fuel: dont skimp on a dime here. Build it for 1000+hp and be done with it. Just cater your injectors to you power level/fuel choice since they are easy change and easy to sell. Id throw 80's in and they will cover you for a long while.