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13-12-2007, 01:46 PM
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FF.Com.Au Hardcore
Join Date: Feb 2007
Posts: 606
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now i realise this has probly been asked before but i cant find anything relavant to my situation.....
I have the undermentioned AU1 XR6 with the hp motor in it. This car is used for mainly daily driving with the odd trip to WSID and occasional dyno days. It is essentialy stock except for a k+n panel(soon to be a pod) and a 2.5inch mandrel bent exhaust. Im torn between the JMM race series long headers and the pacie 4480's or 4499's. fuel economy isnt an issue here but drivability is, of course I'd like a power increase but a torque increase is more important. Useful comments only thanks guys!
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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. 86 ZL mint grandpa spec with premo sound and 150000km 07 TTG XForce, PLAZMAMAN, IDYNO TUNED, 349KW@all 4! 97 el futura MOCKed up with a 2500 stall, heaps of fun! |
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13-12-2007, 01:53 PM
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Banned
Join Date: Jan 2005
Location: Beaumont Hills
Posts: 2,536
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JMM race series will give the best torque, The Pacemaker Comps are the most common and what everyone seems to get decent results with.
The fastest AU6 thats been recorded uses Difillipo. |
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13-12-2007, 01:54 PM
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FF.Com.Au Hardcore
Join Date: Sep 2006
Posts: 2,981
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Stiddy, I think more people have the pacemaker 4499 then 4480's
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13-12-2007, 02:01 PM
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FF.Com.Au Hardcore
Join Date: Aug 2006
Location: Salamander Bay
Posts: 5,427
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the pacemaker comps are better for high RPM use where the standard paceys are better for low down work. also wort considering id advance i have a set and they are good particularly down low
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13-12-2007, 02:03 PM
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Banned
Join Date: Jan 2005
Location: Beaumont Hills
Posts: 2,536
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My bad, I thought the 4499's were the Comp's.
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13-12-2007, 02:04 PM
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Back to Le Frenchy
Join Date: Feb 2005
Location: Back home.....
Posts: 13,346
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If you want it to be nicer on the street I'd go the 4499's. The others are aimed at all out power up top at the expense of low down torque.
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Quote:
07 Renault Sport Megane F1 Team R26 #1397
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21-12-2007, 06:08 PM
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#7 | |||
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FF.Com.Au Hardcore
Join Date: Feb 2007
Posts: 606
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Quote:
the advance headers worry me i would think it would better to have the O2 sensor reading all 6 cylinders
__________________
9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. 86 ZL mint grandpa spec with premo sound and 150000km 07 TTG XForce, PLAZMAMAN, IDYNO TUNED, 349KW@all 4! 97 el futura MOCKed up with a 2500 stall, heaps of fun! |
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21-12-2007, 06:54 PM
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#8 | ||
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RIP...
Join Date: Dec 2004
Posts: 15,524
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I have used the Pacemaker 4499's, JMM scavengers and the JMM race.
The 4499's felt much the same as the JMM scavengers, though the JMM race headers felt much better than both, right through the range. Rick.
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. Oval Everywhere... |
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21-12-2007, 07:30 PM
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FF.Com.Au Hardcore
Join Date: Apr 2006
Posts: 781
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i've had the old press bend lukeys (try y)and now got the 4480's.in my opinoin the 4480's produce more low to mid range than my previuos lukey's.
i always thought the try y desigin with the long primaries coming straight of the head produced more topend
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au2 s i6 5 spd , au series 1 xr6 hp motor, cam advanced 5*,jmm cai ,topgun leads,pacey 4480's,3 inch cat,lukey 2 1/2 sports zorst and 3.89 lsd,standard ecu. current best,14.939 @ 93.17. |
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best extractors for the job?
Linear Mode
