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yep! that's why i have switched back to the 6258 as i can run the higher boost at a more common/widely used rpm range that i already know i run at. it's hard to discuss this with those guys. they have experience and knowledge on the parts and set up but as you said, wot only.
did you measure the shocks on the yxz? i am right there with ya on half throttle anymore. enemy can attest to that lol. i used to love ringing out the bike rpms but for some reason i have decided i like a 2k to 3k rpm bower band that does it all with a 1500 to 2k rpm band left on tap. now when discussing this on the turbo 2.3 forums they only know racing and dont understand this. big surprise huh well everyone says the 1st turbo is too small in will be happier with the 2nd. 1st is 6258 and 2nd 6758. the 6758 is better suited for 3 to 6k rpm as seen in the map and the 1st is better suited for 2k to 4500 /5k rpm. i can run to 6200 easy enough and seldom exceed 4500 according to my data logs as well at 50 to 60% tps lol current turbo isnt real responsive with my gearing until 3/3500rpm is faster mph than i pre fer. deeper gearing solve this and runs $7500. this efr turbo would set me back $1700 and be capable of producing 5 to 10 psi by 1800 rpm and 20 to 28 psi from 2500 or so to 5k rpm. 20 at 6k and 15 safely at 6500 rpm. as seen in the pics above.this is why i posted the info.