18-11-2012, 08:00 PM
(17-11-2012, 10:08 PM)cwspellowe Wrote:
Yeah tbh I have no idea on how A/R works or anything, Darren said it would be an ideal tubby so I bought it haha. For all I know it could lag until 5krpm
(17-11-2012, 11:35 PM)cwspellowe Wrote: Just been spying compressor maps and trying to get my head around them. Make for interesting reading compared to a T2 at the same pressure ratio. T2's seem to drop out of peak efficiency just after a P/R of 1.8 (12psi, stock for a DT-ish), at 72%. By the time you hit a P/R of 2.5 (22psi) it's at peak flow but only 60% efficiency. Makes you wonder why people run T2's up at 30psi then if efficiency falls off dramatically after that!
Compared to the GT2056, a P/R of 1.8 would yield efficiency of up to 78%, already higher than the T2 but flow equates to roughly 130bhp at that. It could theoretically run at 42psi and still be 75% efficient! And that could be pointing towards 185bhp while stll being more efficient than the T2's stock efficiency...
Oh yeah... haha
![[Image: IMG_20130925_181339_zps95df48fa.jpg]](http://i727.photobucket.com/albums/ww278/4WayDiablo/IMG_20130925_181339_zps95df48fa.jpg)