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01-10-2012, 10:57 AM
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FF.Com.Au Hardcore
 
Join Date: Dec 2004
Posts: 12,083
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With the AU1 the standard V8's had 175kw, the XR8's had 185kw. So whats the differences? I assume the heads would be the same, along with the internals and other major componants as it wouldnt seem cost effective to have special parts for such a low volume seller like the standard V8. Is it just something like the exhaust being more civilised like with the VCT motors in the Ghias being less powerful then the XR6?
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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01-10-2012, 11:09 AM
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Cocoloko
Join Date: Jul 2008
Location: Perth
Posts: 539
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Headers and better flowing cats, thats all, all ran the exact same equipment, ecu might of been re-calibrated from ford but would dare say be pretty similer tune.
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94 ED XR8 Sprint: SVO alloy heads, FMS F303 cam, AU EECV ECU, T5, on going build. 2010 Territory: family bus. 79 P7 LTD 351. |
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01-10-2012, 11:21 AM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 12,083
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Thought as much. Thanks for confirming. Looks like an easy fix to get a little more power.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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01-10-2012, 11:35 AM
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#4 | ||
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Banned
Join Date: Apr 2010
Location: NSW
Posts: 1,424
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the LTD had 185kw which was exact same spec as 175kw motor apart from a revised exhaust i beleive, twin possibly?
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01-10-2012, 11:42 AM
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#5 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 12,083
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Could be. I wonder if anyone has the layout of a photo of the factory AU1 XR8 exhaust system.
I know with my Ghia its a single system from the Cat back. Did the XR's have a twin cat, twin pipe system? I suspect they probably did. Even the VCT went from single Cat to twin pipe/twin muffler and back to single again. Either way a set of headers, metal cat, the current redback cat back and an edit tune should wipe out any significant differences I think.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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01-10-2012, 01:40 PM
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The Destroyer
Join Date: Jun 2007
Location: Gold Coast
Posts: 2,261
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injectors are also differant, 175kw getting orange and the rest getting blue
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Toy- Blown XR8 Ute. Black on black "Front-drive cars are for children" |
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01-10-2012, 02:33 PM
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#7 | |||
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FF.Com.Au Hardcore
Join Date: Nov 2008
Location: Melbourne, Vic
Posts: 1,121
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Quote:
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AU III Forte wagon - V8, 5spd man, lowered, 18" Honeycombs, Stock diff rebuilt with TruTrac LSD, Leather Ghia interior/dash, custom twin 2.5" into single 3" exhaust. Wagon Build AU I Forte Sedan - No longer
Toy Car Build |
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01-10-2012, 03:39 PM
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#8 | ||
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Banned
Join Date: Dec 2007
Posts: 3,290
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My fairmont 175 has blue injectors but can't blue ones be both 19 or 21s anyway
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01-10-2012, 03:52 PM
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#9 | ||
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Long live the Falcon GT
Join Date: Feb 2008
Location: Victoria
Posts: 1,630
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I've got an AU II V8 and pretty sure its the same spec.
Find that it starves for fuel if you really jump into it - which is really annoying. Anyone got any tips?
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01-10-2012, 04:07 PM
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#10 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 12,083
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I'm not too fussed on the injectors as I run bbq fuel anyway. I'll just do the headers, new cat and an edit tune to maximise the cars performance. I'm not worried about all out track et's these days. Just want to enjoy the V8 and have enough poke to keep me grinning.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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02-10-2012, 08:49 AM
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#11 | ||
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5.6L x 2 pilot
  
Join Date: Dec 2009
Location: Canbra
Posts: 15,089
 
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Casper, I got my original 185kW in my LTD to what we estimate as about 210fwkw with CAI, extractors, high flow cats and 1:1.72 ratio rockers. Point being, in my opinion, if you can get them to breath, some good results will follow.
Stu
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2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024  2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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02-10-2012, 09:18 PM
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#12 | ||
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Back on the road
Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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Tickford extractors and dual 2.25" was the only difference between the std 175kw and the XR8 185kw configurations.
Welcome back Casper 
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------------------------------------------------------------------------- AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute 5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor. Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash. |
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A simple question for V8 owners.
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