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| r0bbie |
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hey all ok now have:
2 1/2 INCH CAT 20% UNDERDRIVE PULLEY KIT GROWLER COLD AIR INTAKE WILDCAT HEADERS AU XR8 SNORKEL i want to get it capa flash tuned. what sort of rwkw should i be expecting????? CHEERS r0bbie |
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| TROYMAN |
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a bit more info would be nice??? e series, au or b series??????
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| dylby1 |
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id say BA since thats his listed car, but cant know for sure
_________________ 1993 NCII Fairlane |
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| r0bbie |
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sorry fellas BA n/a 6cyl
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| 67RCE |
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More than stock! Seriously, can;t give estimates as it depends on: Dyno used, Tuners skill, fuel, timing advancement etc....
_________________ ILL60 - EF XR8, Sunroof, Ticky Kit, 19x8.5/19x11 TE37's, 347, AFr185's, TFS BoxRcustom converter, Hurst Quarterstick, huge billet cam. |
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| LOLHSV |
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i would say more than 150rwkw... wen my car ( ba xr6) had full exhaust and flash tune it made 151rwkw, so with cai, xaust pulley and tune, underdrive is claimed to be 9 rwkw gain, cai and xaust, maybe 3-10rwkw, depending on circumstances.. and tune maybe another 10rwkw.. more or less, depending on circumstances of ur vehicle also.. so i would say a realistic rwkw figure would be 150 - 170... maybe 170+ if ur lucky..but cant say 100% but thats a very rough estimate..so dont hold me to it..
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| dazza027 |
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Excuse my lack of knowledge here, under drive pulley kit on what exactly? The alternator??
I thought you said it was a naturally aspirated car. What does an under driven pulley kit do exactly? |
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| phil545 |
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hey mate, just fitted one to my car, best bang for buck mod, its a new harmonic balancer that is smaller so it takes power from your accessories, such as alternator, water pump, air con, power steering and give it back to the engine, the thing is none of them get affected because they are overdriven to begin with, my air con works just as good as before and my temperature gauge still sits in the same spot, win win in my eyes
_________________ I hate arriving at my destination as then I have to get out of my car! |
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| JIM89 |
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did you notis anything with the underdrive kit? im not in a position to do it as my alt is already maxed out
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| phil545 |
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yeah it definitely made a difference, picks up down low alot quicker but then has lots more high end torque aswell. plus it has lowered my rpms by about 150 whent cruising on the hwy
_________________ I hate arriving at my destination as then I have to get out of my car! |
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| LOLHSV |
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dazza027, check out this link... its for b series, good upgrade in my opinion..
http://www.youtube.com/watch?v=kLKfYFXp ... re=related |
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| dazza027 |
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Do they do them for E series?
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| LOLHSV |
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i would imagine that, yes there probably is something out there like this for your car but i dont know where to get it, or if it would see as much gain as on the ba/bf...
guess u would have to do some research on it, on the ba/bf i6 its a 20% underdrive and on the v8 its 25% i think.. from powerbond... but i would start here http://www.precisionparts.com.au/ and maybe contact them and ask, im sure they could help u out. |
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| dazza027 |
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There'd be a romac or some other brand of balancer available for it. Im about to do the serpentine belt convo in the next few weeks. Will see whats available after that. Shame they didnt show the dyno screen on the before part. That first trace on the dyno screen at the end may well have been part throttle warm up run.
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| LOLHSV |
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yeah i no its a bit dodgy, but i can confirm that it is a real power gain, my mates bf has one he saw 8rwkw gain, i know another bloke who reckons he got 13rwkw gain from it, but i have my suspicions on that..lol
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