XR6_661 Member 27 Member For: 15y 10m 28d Posted 29/01/09 10:19 PM Share Posted 29/01/09 10:19 PM Get the 4490s if you are after low end torque. Get the 4495s if you are after high end torque. Link to comment Share on other sites More sharing options...
graham_h Member 39 Member For: 15y 5m 19d Posted 29/01/09 10:33 PM Share Posted 29/01/09 10:33 PM "Under drive pulley systems increase engine horsepower by reducing the amount of power required to drive external engine accessories. For example, the alternator, power steering, water pump and air-conditioning compressor rob horsepower from the engine. By replacing factory-sized crank and accessory drive pulleys with a resized pulley, the accessories are slowed, resulting in more horsepower available to the drive wheels. Typically, a set of pulleys from B.P.T. will increase power by 9 - 11kW's, and increase mileage. All pulleys are manufactured from Billet steel and aluminum, exceeding factory quality. All pulleys sets are fully neutral balanced at the factory."Great thanks for the infoWhere do we buy one from ?Easy to DIY fit or not ? Link to comment Share on other sites More sharing options...
ubute Member 172 Member For: 18y 6m 19d Gender: Male Location: Brisbane Posted 29/01/09 10:35 PM Share Posted 29/01/09 10:35 PM Ahh the age old 4490 vs 4495 debate. For what it's worth I think Doogstar (he can correct me if I'm wrong) was running with 4495s when he ran his 13.75s 1/4 mile.Personally I'd prefer 4490s for the lower down gains for day to day driving on the street. Link to comment Share on other sites More sharing options...
SubJimbo ŠύЂפֿĺmβø ™ Donating Members 1,216 Member For: 16y 3m 15d Gender: Male Location: Melbourne Posted 29/01/09 11:00 PM Share Posted 29/01/09 11:00 PM Yeah I am more leaning towards the 4490's.. Just looking for prices Link to comment Share on other sites More sharing options...
Vebbers Member 77 Member For: 15y 10m 4d Gender: Male Location: Blackburn, VIC Posted 30/01/09 05:50 AM Author Share Posted 30/01/09 05:50 AM Let me know if you find any decent prices/places jimbo!cheers!Vebbers Link to comment Share on other sites More sharing options...
SubJimbo ŠύЂפֿĺmβø ™ Donating Members 1,216 Member For: 16y 3m 15d Gender: Male Location: Melbourne Posted 30/01/09 06:05 AM Share Posted 30/01/09 06:05 AM Let me know if you find any decent prices/places jimbo!cheers!VebbersNo problems mate, The cheapest I have found so far is $435, MAYBE if we can get enough people we can organise a sorta group buy? Link to comment Share on other sites More sharing options...
Jake27 Member 92 Member For: 15y 7m 12d Gender: Male Location: Port Macquarie Posted 30/01/09 10:02 AM Share Posted 30/01/09 10:02 AM 180.7rwkw after todays tuning at CV Performance Running 95 premium too so it might have been a few higher with 98 It was at 153rwkw stock and after ph4490, cat, xforce catback, cai and a capa flash tune it was at 165 so not much of a gain without the custom tune Link to comment Share on other sites More sharing options...
Vebbers Member 77 Member For: 15y 10m 4d Gender: Male Location: Blackburn, VIC Posted 01/02/09 05:44 PM Author Share Posted 01/02/09 05:44 PM No problems mate, The cheapest I have found so far is $435, MAYBE if we can get enough people we can organise a sorta group buy?That sounds like an idea..I think I put it in the 'ideas for group buys' section along with the underdrive. ill see how that's going. Link to comment Share on other sites More sharing options...
mileto Member 27 Member For: 18y 1m 23d Posted 09/02/09 11:15 AM Share Posted 09/02/09 11:15 AM 180.7rwkw after todays tuning at CV Performance Running 95 premium too so it might have been a few higher with 98 It was at 153rwkw stock and after ph4490, cat, xforce catback, cai and a capa flash tune it was at 165 so not much of a gain without the custom tune hey man im looking to do the exact same mods just wondering what was the price for everything drive in and out thanks champ Link to comment Share on other sites More sharing options...
Jake27 Member 92 Member For: 15y 7m 12d Gender: Male Location: Port Macquarie Posted 09/02/09 11:28 AM Share Posted 09/02/09 11:28 AM A bit less than 3k for flash tuner, custom tune, CAI, exhaust, cat and ph4490 including fitting. Link to comment Share on other sites More sharing options...
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