focus st 170
or are there any other worthwhile mods that can be done to them.?
02-11-2006, 04:28 AM
#2
Advanced PassionFord User
bluefin and some other remapping box. other than that its the basic exhaust, decat and filter. can go into underdrive pulleys from the US as well they give quite good gains too
02-11-2006, 04:54 AM
#4
Advanced PassionFord User
Originally Posted by R4N S S
what are the user drive pulleys all about then?
as far as i can work out they are smaller pulley wheels allowing the belt to travel round faster.... i think
http://www.newedgeperformance.com/in...PROD&ProdID=63
02-11-2006, 09:28 PM
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I dont think a remap etc will gain you much as ford pushed all they could out of it as standard as far as i've read. Been out in a friends 330bhp Powerworks supercharged ST170 which has had lots done to it and it was very VERY! quick. 
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02-11-2006, 09:54 PM
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ST170 engine is far from what Ford could of get out of them.
Intake systems the best place to start. The heads a work of art but the filters relatively restrictive.
Could be mapped but how much ca you spend.
Underdrive pulley are light weight AUX belt pulleys that reduce the speed of water/oil/ps pumps thus leaving more power for the transmission.
Wouldnt bother really.
Hows about saving for throttle bodies, theres not enought ST`s on them.
Intake systems the best place to start. The heads a work of art but the filters relatively restrictive.
Could be mapped but how much ca you spend.
Underdrive pulley are light weight AUX belt pulleys that reduce the speed of water/oil/ps pumps thus leaving more power for the transmission.
Wouldnt bother really.
Hows about saving for throttle bodies, theres not enought ST`s on them.
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