Josh_P Member 108 Member For: 16y 5m 11d Gender: Male Location: Hunter Valley Posted 13/01/09 10:09 AM Share Posted 13/01/09 10:09 AM our young apprentice at work has a xls ute, we added a full di-fillipo system with hpc coated extractors, blue power cold air induction, stage 2 crow cams and a custom tune by c&v performance produced 179rwkw's Link to comment Share on other sites More sharing options...
Vebbers Member 77 Member For: 16y 8m 4d Gender: Male Location: Blackburn, VIC Posted 13/01/09 12:43 PM Author Share Posted 13/01/09 12:43 PM 179rwkws is a bloody good figure for a N/A!! Id imagine than running low 14s if not high 13s down the straight and would compete with a stock turbo and skylines. Well done guys.. Link to comment Share on other sites More sharing options...
graham_h Member 39 Member For: 16y 3m 19d Posted 24/01/09 09:19 AM Share Posted 24/01/09 09:19 AM can someone explain to a noob what the underpully does ? Link to comment Share on other sites More sharing options...
Jake27 Member 92 Member For: 16y 5m 12d Gender: Male Location: Port Macquarie Posted 24/01/09 12:56 PM Share Posted 24/01/09 12:56 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."My BFII is getting tuned on the 4th feb After I put in the CAI it was running about 2-3L/100km more efficient... but after I added cat/flash/extractors on the same day it's gone from 9L/100km driving around town to 13-14... so it's definitely in need of the custom tune to fix that up.It does sound insane though, I should have added the cams to make it a bit crazier but I'm stopping my spending after FPV 19's and MAYBE an xr8 bonnet to even out the wing Link to comment Share on other sites More sharing options...
bluey1 Member 68 Member For: 16y 3m Gender: Male Location: Melbourne Posted 25/01/09 03:04 AM Share Posted 25/01/09 03:04 AM does that mean that the air con will not work as efficiently/strong and the battery will not charge as quickly? Link to comment Share on other sites More sharing options...
bluute Cant wait to drive it Donating Members 884 Member For: 16y 7m 3d Gender: Male Location: Golden Bay,WA Posted 25/01/09 03:17 AM Share Posted 25/01/09 03:17 AM no it wont effect the performance of the air con etc Link to comment Share on other sites More sharing options...
tab Sucker Moderating Team 32,303 Member For: 20y 9m 22d Gender: Male Location: Brisbane Posted 25/01/09 04:59 AM Share Posted 25/01/09 04:59 AM That's debatable isn't it?May not be noticeable normally but would have to have some impact? Link to comment Share on other sites More sharing options...
Jake27 Member 92 Member For: 16y 5m 12d Gender: Male Location: Port Macquarie Posted 25/01/09 12:38 PM Share Posted 25/01/09 12:38 PM From what I understand it stays the same, it just takes less effort from the engine to turn the underdrive to the same result. Link to comment Share on other sites More sharing options...
keaton185 Member 301 Member For: 16y 19d Gender: Male Location: Straya Posted 28/01/09 09:24 AM Share Posted 28/01/09 09:24 AM Hey allCurrently driving a 05 MKII XR6 BA - you can see me around the Albany Creek, Aspley, Brendale and Everton Park areas.Firstly, I did a 2.5 cat back install, didn't really do anything too overwhelming for performance, made it the car feel lighter though.Secondly, I put on some Pacemaker 4495's, now these made a sh*tstorm worth of difference, especially in 4th gear after you hit 3000rpm it absolutely takes off and jumps about 15 - 25 kmph almost instantly. Third was the F6 cold air intake, with the bigger snorkel, lower snorkel and bottom part of the air box. Still running the stocko panel filter though, originally intended on putting a K&N pod in but it didn't fit and would have been too much work for what it was worth.I'm now looking for my next mod, considering the XR6 turbo conversion, or possibly a new underdrive (or if anyone has any better recomendations?)Haven't dyno'd it and its overdue its service so she's running a little off at the moment, but I can proudly say I've smoked a R33 Skyline GTR and a stock XR6TI would probably say its around the 195 mark at the engine. Link to comment Share on other sites More sharing options...
SubJimbo ŠύЂפֿĺmβø ™ Donating Members 1,216 Member For: 17y 1m 15d Gender: Male Location: Melbourne Posted 28/01/09 10:10 AM Share Posted 28/01/09 10:10 AM I'm still deciding if I want 4490's or 4495's... :( Link to comment Share on other sites More sharing options...
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