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26-06-2006, 10:18 PM
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Regular Member
Join Date: May 2006
Posts: 32
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hey, my AU has a realy crap diff ratio (unknown) its just the factry spec non Lsd, what have you guys done. my problem is mainly with first gear. i dont wanna get an lsd as it aint worth it 4 my car.
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26-06-2006, 10:28 PM
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FF.Com.Au Hardcore
Join Date: Feb 2006
Posts: 1,078
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Let me guess? On take off you're getting wheel spin, and instead of flying off the line you're sitting and spinning while the other car passes you.
My advice, dont put ur foot all the way down. Theres a thread on acelleration techniques. Look it up.
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26-06-2006, 10:48 PM
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#3 | ||
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Fantastic Plastic
Join Date: Jan 2006
Location: Mars most of the time
Posts: 2,019
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Being the factory diff ratio in a stock AU ( non xr ) , im thinking your on about your car is a slug in 1'st gear until it hits very high rpm . Im not to sure on the stock AU ratio's , I remember years ago the old borg warner diffs for the ford 6 cylinders , they were a majority of 3.25 ratio diffs , nowerdays i think the xr standard is a 3.45 , most people have gone to a 3.9 ratio i think , allthough from the past ( though i haven't tried it yet in an AU ) , i was a big fan of the 4.11 ratio years ago , made any bomb take off like it had something decent under the hood ! ...lol, although lost alot of top speed .
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27-06-2006, 07:23 AM
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#4 | ||
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Moderator
  
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
 
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One way to fix the 1st gear slug.
Fit a bigger stall converter  Then it's wheelspin city ... but getting the launch right ... it'll rocket off the line.
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The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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27-06-2006, 08:39 AM
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#5 | ||
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TL40 Wagon?
Join Date: Dec 2004
Location: Sydney
Posts: 2,377
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Actually the problem is the BTR 4 speed auto's 2.39 first gear ratio.
The 3.08 diff in the Forte makes it worse. |
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27-06-2006, 08:46 AM
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#6 | ||
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Moderator
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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I know what that is like ... the ute is always a slug off the line.
God knows what diff the ute is running ... all i know is it is non-LSD. And my auto transmission is tired from being overworked.
__________________
The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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27-06-2006, 05:19 PM
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#7 | |||
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_Oo===oO_
Join Date: Dec 2004
Location: Canberra
Posts: 1,471
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Quote:
Final drive ratio in Mechan1kmobile is: 3.23 God bless your auto, son.
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COURAGE - ENDURANCE - MATESHIP - SACRIFICE
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27-06-2006, 05:21 PM
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#8 | ||
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Moderator
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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LOL ... thanks for that.
God bless the oil cooler .... it's the one thing that is keep the transmission still running ... although the trans is now haemoraging on the driveway a bit .... it does need another service again ... damn seals/gaskets always need replacing. When the cash is available ... it will be time for a new box ... and a stronger one at that.
__________________
The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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27-06-2006, 06:53 PM
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#9 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2006
Posts: 1,078
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Iv got a 99 forte, why is it, I can spin boths wheels turning left? Infact the whole backend can slide out doing so. I understand when I turning right, Iv got the right wheel spinning.. naturally.
Is there any chance, some Fortes came with LSD, or is it something else?
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27-06-2006, 07:02 PM
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#10 | ||
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Moderator
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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Diff might be internally locking up ... getting warn maybe ... or self-welding itelf ... LOL
depends how much slip angle there is .... I can get both to slide ... but it depends how hard i hook it too.
__________________
The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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27-06-2006, 08:41 PM
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#11 | |||
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Fantastic Plastic
Join Date: Jan 2006
Location: Mars most of the time
Posts: 2,019
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Quote:
I double that , same with mine !
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------------------------------------------------------------ :eclipsee_ |
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30-06-2006, 09:01 AM
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#12 | |||
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Highway Taxi
Join Date: Jul 2005
Location: Brisbane
Posts: 593
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Quote:
Your diff is a 3.08, that & the crappy first gear are the problem as Jonbay's stated. Problem is you can't fit the wagon or Xr gears as they have a different housing to the forte diff. There is a diff thread on this & I am still trying to find out which gears fit. Apparently commodore gears fit, which model who knows. None of the so called diff experts have been able to tell me.
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Close only counts in Horse Shoes & Hand Grenades. :evil_laug |
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30-06-2006, 10:02 AM
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#13 | ||
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Capri GT/TS50/GTR
Join Date: Apr 2006
Location: sydney
Posts: 831
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i know craft diff in sydney has done a fair few of these might want to give them a call try and get a bit off info off them. 02 96371973 ask for richard
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30-06-2006, 02:21 PM
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#14 | |||
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Highway Taxi
Join Date: Jul 2005
Location: Brisbane
Posts: 593
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Quote:
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Close only counts in Horse Shoes & Hand Grenades. :evil_laug |
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crapp diff ratio
Thankyou
Linear Mode
