oversize tb and manifold for performance

ok, ok...lets get back to business...wat can firmer valve spring do? can it actually increase torque, coz i ve heard sum1 said that after changing firm v.spring, the rpm goes up faster...
 
pok nik said:
ok, ok...lets get back to business...wat can firmer valve spring do? can it actually increase torque, coz i ve heard sum1 said that after changing firm v.spring, the rpm goes up faster...

it helps to reduce the "valve float" phenomenon....at high rpm sometime the valve spring cant keep up with the fast movement of the valves...so at times the valves not even properly closed yet but they already pushed open...so, the combustion chamber weren't properly sealed during the explosion resulting in power loss....
 
the rich gets richer...the poor gets poorer n still looking for rims from the rich sum more...hahaha
 
Oderf said:
it helps to reduce the "valve float" phenomenon....at high rpm sometime the valve spring cant keep up with the fast movement of the valves...so at times the valves not even properly closed yet but they already pushed open...so, the combustion chamber weren't properly sealed during the explosion resulting in power loss....

if the valve spring is too hard, it will rob power from the engine....
 
zaki said:
if the valve spring is too hard, it will rob power from the engine....

too hard ? ic.... any example of VS than can be considered "too hard" for Bseries ?
 

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