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Old 26th October 2019
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60Gunner 60Gunner is offline
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For a street bike, light to light, and back road twisties you can't beat the 570s. I've been more than happy with my 1250 flat tops with the 570s. 209psi cranking pressure.
You'll get higher rpm power with the 560s but fall well short of the 90ft.lbs. of torque I get by 4500 rpm with the 570s. 10+ ft.lbs. less.
Both have their place. Just depends where you you want your power.
I275 will be even better.

I should add this is with the Khromewerks HP Plus slip ons as exhaust does play a big factor. Most 2in1s won't do as well low and in the middle but better up top. My Hp levels off by 5500 or so a 2in1 may climb a little higher up there.

It's a trade off. Always is. There is no having your cake and eating it too as someone was recently looking to do but you already know that.
__________________
05 1200/1250C/Hammer 570 Cams/E1 clutch kit +15% spring
TC88A Gunner's V00D00 map/DCPR7E/Taylor Pro 8mm
S&S Premium Lifters/KhromeWerks HP Plus 3" slip ons
HSR42 25 pilot 2 turns Y8 needle jet 97 needle 2nd groove 170 main
Dragtron II AC K&N filter/VR1 20W50/Spectro 85wt Primary Oil
Max torque 87.7@4400rpm/max hp 86.8@5600rpm


Last edited by 60Gunner; 26th October 2019 at 18:42..
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