I'm looking to buy my first turbo for a dart block 347 which turbo will be better? a pte7675 cea turbo with a .96 a/r or a Borg Warner s400sx4-80mm aka s480 with a 1.25 a/r which one will make more power?
We really need to know a little bit more about the combo. Is it a manual transmission or an auto? What are you going to use it for, ie drag strip, road course, street cruiser, daily driver? What are your goals for HP?
The S480 will make more power than the 7675, but won't be as responsive. But it really more depends on the car and what you want it to do.
If you're not stuck on those specific units I would contact Brian Bisonette at Bison's Performance and have him build one specific for your combo. It may be a lot cheaper and perform better than a one-size-fits-all unit. He built me two billet units for less than one of the popular brands.
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