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23-11-2011, 01:33 PM
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Regular Member
Join Date: Aug 2007
Location: Melbourne's outer west
Posts: 168
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Over the weekend I changed plugs (BPR6EFS-13), Leads (Eagle Eliminator), coils (MSD) and cam sync. Now for some reason, and maybe it's in my head, but my exhaust seems to have gotten a drone at highway speeds...
Is this even possible? I wouldn't have thought so. The car has standard extractors and cats, but I think has an aftermarket cat back (I've not seen an factory exhaust, so can't be 100% sure). On a side note, plug 5 is a real pain in the butt to get at. I assume this get worse with after market extractors?
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HIS: AU III XR8 220, 5 speed manual, short shifter, MSD coils, ACRON CAI, Front 330mm brakes with C4 calipers and braided lines  HERS: BA Fairmont, vapour injected LPG I reject your reality and substitute my own! |
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23-11-2011, 01:39 PM
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Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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cam sync - as in the cam that opens and closes the exhaust valves?
It's entirely possible.
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Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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23-11-2011, 01:49 PM
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Regular Member
Join Date: Aug 2007
Location: Melbourne's outer west
Posts: 168
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Cam sync was squealing when cold, as is not unusual from what I've read on here. Unless the sync wasn't functioning at all, surely that wouldn't have an effect on the valves opening / closing. And yes, it was removed and installed with cylinder 1 at TDC and all lined up the same going in as it came out.
I should point out this is on the XR8 220 in case that wasn't clear.
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HIS: AU III XR8 220, 5 speed manual, short shifter, MSD coils, ACRON CAI, Front 330mm brakes with C4 calipers and braided lines HERS: BA Fairmont, vapour injected LPG I reject your reality and substitute my own! |
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23-11-2011, 05:26 PM
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RIP...
Join Date: Dec 2004
Posts: 15,524
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I would suspect it's all in your head.
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. Oval Everywhere... |
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23-11-2011, 06:51 PM
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FF.Com.Au Hardcore
Join Date: Aug 2006
Location: Salamander Bay
Posts: 5,427
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Quote:
__________________
[SIGPIC][/SIGPIC]
Everyone starts off with a bag full of luck and an empty bag of experience. The trick is to fill the experience bag before the luck bag is empty. "It is better to remain silent and be thought a fool than to speak out and remove all doubt." Start a new career as a bus driver Rides: FG2 XR6 stock at this stage but a very nice ride xc 4 DOOR X CHASER 5.8 UNDER RESTO |
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23-11-2011, 07:09 PM
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Afterburner + skids =
 
Join Date: Dec 2004
Location: Skidsville
Posts: 12,136
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Quote:
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Speed Kills. So buy an AU XR8 and live forever. Oo\===/oO |
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23-11-2011, 07:35 PM
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#7 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2008
Location: Sunbury, vic.
Posts: 3,110
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Yes it is possible, you have just change components that effect how well the engine run's and its overall tune.
The drone being a result of now running better and smoother, aka more consistant firing of all cylinders.
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T058 TS50 - 302 AFR165, Victor 5.0, Custom Cam, tuned by me, 245.6rwkw 329rwhp at 6800rpm. |
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23-11-2011, 09:47 PM
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Quote:
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2024 F150 XLT
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24-11-2011, 01:56 PM
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Regular Member
Join Date: Aug 2007
Location: Melbourne's outer west
Posts: 168
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Quote:
Quote:
While we are on the subject, does anyone have a pic of the factory cat back?
__________________
HIS: AU III XR8 220, 5 speed manual, short shifter, MSD coils, ACRON CAI, Front 330mm brakes with C4 calipers and braided lines HERS: BA Fairmont, vapour injected LPG I reject your reality and substitute my own! |
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24-11-2011, 02:02 PM
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Afterburner + skids =
Join Date: Dec 2004
Location: Skidsville
Posts: 12,136
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No you got the name right. It was the 6cylinder owner that was confused!
__________________
Speed Kills. So buy an AU XR8 and live forever. Oo\===/oO |
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24-11-2011, 02:38 PM
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AU II XR8
Join Date: Mar 2006
Location: melbourne
Posts: 978
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Quote:
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AU XR8 II ute XD FAIRMONT GHIA 302 XA FAIRMONT 302 TOPLOADER |
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24-11-2011, 03:33 PM
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#12 | ||
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Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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sigh.
__________________
Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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24-11-2011, 05:01 PM
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#13 | |||
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FF.Com.Au Hardcore
Join Date: Aug 2006
Location: Salamander Bay
Posts: 5,427
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Quote:
__________________
[SIGPIC][/SIGPIC]
Everyone starts off with a bag full of luck and an empty bag of experience. The trick is to fill the experience bag before the luck bag is empty. "It is better to remain silent and be thought a fool than to speak out and remove all doubt." Start a new career as a bus driver Rides: FG2 XR6 stock at this stage but a very nice ride xc 4 DOOR X CHASER 5.8 UNDER RESTO |
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Maybe I've gone mad...
Linear Mode
