power increase from light weight pulleys??
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power increase from light weight pulleys??
all,
if i'm to purchase new light weight pulleys for my 04 STI will it increase power?
will it be noticeable?
and is it nesscessary i buy them fit them then remap?
taa
tommy (l40mmy) black STi 320 bhp
if i'm to purchase new light weight pulleys for my 04 STI will it increase power?
will it be noticeable?
and is it nesscessary i buy them fit them then remap?
taa
tommy (l40mmy) black STi 320 bhp
#4
It is rotational mass so reduces rotational inertia. It will increase the horse power available to drive the wheels but won't be a huge amount and as said will allow the engine to change it's revs easier as it is not having to accelerate the mass of the origional pulley
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(you may see power increase on a dyno as it measures wheel horse power)
but as jura said most people get them because they look good you would see better results if mated with a light weight fly wheel but beware go too light and you may get stalling issues when on idle as the centrefugal force helps the engine tick over
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