Fi has awesome top end and has superb pull even after 9k rpm whereas 180 has brilliant low end torque and mid range.We did have a drag race against a Fi and the 180 stays way ahead. But the 180 doesnt have the top end thrust like the Fi, but that doesnt mean its slower.It's no use revving the 180 beyond 9k rpm.




.when i remove the spring from it i will running without any problem.what can i do for this
,shall i peremently remove that spring.pls see the pic and help me

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