15+ Year Contributor
- Jun 20, 2005
Ok first let me say my goal at the moment is 400whp, I eventually want to make this on pump but the help of E85 would be fine too. With that being said I was given a Garret gt3271 which looking at the turbo on extreme psi is rated for 200-420hp. I figured it would be a little more capable then an evo3 so I would use it for the time being until putting together an hx35 setup or fpgreen. Anyhow looking at the compressor map and using the formulas to see where I would be at it seems 35lb/min at 20psi would be close to maxing out the turbo without going off the chart? Am I calculating this right and does 400 hp seem capable with the 4g and this turbo? (Notice @23psi and 39 lb/min it just creeps off the map.)
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