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06-11-2010, 05:43 PM
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#1 | ||
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Regular Member
Join Date: Aug 2009
Location: Adelaide
Posts: 275
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hi,
iv got a au s3 vct xr6 and its got a 2500ton capacity towbar from factory , im getting heaps of lag on take off and cant get it to spin up would it be if it has towing diff ratio?? |
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06-11-2010, 05:50 PM
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#2 | ||
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Racing improves the breed
Join Date: Apr 2006
Location: SE Melbourne
Posts: 3,981
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As far as im aware the highest tow load Ford supplied was 2,300kg's being the 'heavy duty tow pack' as they call it. Auto AU's generally are a little slugglish off the line, the best way to give her some more boogy would be to change the diff gears.
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1970 Mini Cooper S Historic Group Nc Touring car 1964 Mini Cooper S Historic Group Nb Touring car Victorian Hill Climb Championship |
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06-11-2010, 06:01 PM
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#3 | ||
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Regular Member
Join Date: Aug 2009
Location: Adelaide
Posts: 275
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yea i think it is 2300kg wat diff gears do you reckon ?
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06-11-2010, 06:08 PM
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#4 | ||
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Racing improves the breed
Join Date: Apr 2006
Location: SE Melbourne
Posts: 3,981
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3.7's or 3.9's maybe, 4.11's are a little too extreme for some unless you're a regular at the drags. It will effect the rpm the car criuses at too
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1970 Mini Cooper S Historic Group Nc Touring car 1964 Mini Cooper S Historic Group Nb Touring car Victorian Hill Climb Championship |
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06-11-2010, 06:21 PM
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#5 | ||
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Regular Member
Join Date: Aug 2009
Location: Adelaide
Posts: 275
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ok yea so mite go for a 3.9, do you no where i can buy the centre diff gears? and any idea what diff gears i would have now?
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06-11-2010, 06:27 PM
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#6 | ||
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Regular Member
Join Date: Aug 2009
Location: Adelaide
Posts: 275
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07-11-2010, 11:36 AM
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#7 | ||
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Regular Member
Join Date: Oct 2010
Posts: 95
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Your standard diff gears would be 3.45. They didnt change the gears if you got a tow pack fitted.
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07-11-2010, 02:53 PM
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#8 | ||
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Regular Member
Join Date: Aug 2009
Location: Adelaide
Posts: 275
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Do u recommend anything then for more power on takeoff?
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07-11-2010, 02:58 PM
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#9 | ||
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Regular Member
Join Date: Oct 2010
Posts: 95
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Converting to manual would be my pick then start doing mods to make more power.
If you want to keep the auto put shorter diff gears in and go from there. 3.9's would still be ok on the highway and give a bit more punch off the line. |
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07-11-2010, 04:33 PM
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#10 | ||
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Regular Member
Join Date: Jun 2008
Location: Tassie
Posts: 408
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sounds like other things are at play rather then diff gears etc.. how's the engine, exhaust etc..? when was the last time the auto was serviced?
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07-11-2010, 05:43 PM
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#11 | |||
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adrian
Join Date: Aug 2005
Location: Christchurch, New Zealand
Posts: 495
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Quote:
I am surpirsed you are having trouble towing, my EF XR6 was a fantastic tow car and would happily tow my near 2 ton boat up and down mountain passes. I would look at a cam before diff gears, unless you tow all the time and not on the highway.
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T3 TS50 #17 275kW AU3 XR8 SVP 220kW |
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07-11-2010, 05:50 PM
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#12 | ||
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Regular Member
Join Date: Oct 2010
Posts: 95
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The way I understood his post was that he just assumed he'd have taller diff gears because its got a tow pack, not about a lack of power when towing.
Maybe he can confirm? If he isnt towing much I'd go manual. If he is then I'd stay auto too. I was always worried about smashing 3rd gear when towing with my 5 speed. Boost will fix it. |
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07-11-2010, 07:20 PM
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#13 | |||
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adrian
Join Date: Aug 2005
Location: Christchurch, New Zealand
Posts: 495
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Quote:
When i bought my XR8, i told Ford that i towed a boat and they steering me away from the turbos, which i was seriously considering, said they got too hot when towing, hence why i got the xr8
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T3 TS50 #17 275kW AU3 XR8 SVP 220kW |
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21-11-2010, 06:07 PM
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#14 | ||
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rexnet
Join Date: Feb 2010
Location: Adelaide, South Australia
Posts: 3,561
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Drop the tow ball and drop in a manual
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08-12-2010, 04:46 PM
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#15 | ||
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FF.Com.Au Hardcore
Join Date: Jul 2005
Location: Lyndhurst
Posts: 563
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i had a manual au3 xr6 ute which was quick as for a 6 N/A, much fun to drive,but load it up with the trailer and a VW beetle would probably beat it, i thought the manual au could only tow 1000kg's, hence the reason i sold it and bought an auto XR8 which i plan to put a locker and 3.9's in, with tranny cooler to.
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au towing diff gears??
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