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 |
Hi Tommy
you are never see big increase or noticeable increase from Lightweight Pulleys. And you are don't need remap just for this.. Jura |
they reduce unsprung weight not increase power so the engine should rev easier same principle as light weight fly wheel
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Originally Posted by pinkypurkhardt
(Post 10058153)
they reduce unsprung weight not increase power so the engine should rev easier same principle as light weight fly wheel
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 |
yeah what keef said lol
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so in other words... going to increase torque but still a slight power increase in the form of bhp
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Originally Posted by tommy_lommy
(Post 10058252)
so in other words... going to increase torque but still a slight power increase in the form of bhp
Jura |
I had lightweight pulleys put on after the crank pulley broke, my car is standard, but Im certain the car felt a little faster, but not by a great deal.
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Originally Posted by tommy_lommy
(Post 10058252)
so in other words... going to increase torque but still a slight power increase in the form of bhp
(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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