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BA XR8 

 

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Posted: Tue Jul 25, 2006 9:41 pm 
Tyre Shredder
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Ride: 2003 BA XR6 TURBO!!!!!

Location: Melbourne
VIC, Australia

prydey wrote:
Shum's EL wrote:
it all comes down to mods.. but as said the XR6T is the faster one when stock


every article i've ever read the xr8 is quicker than the turb in a straight line. not by much but it is quicker. in gear acceleration may favour the turb but not sure. around a track the turb is quicker as the xr8 suffers from the wieght up front.

so, in stock form the xr8 is quicker down the 1/4


really?
i havent seen any that say that...
cars magazine didnt, car point didnt...

anyway, regardless, the XR6T is lighter therefore much quicker off the line.
i dunno a hole heap about the boss engines, exept they weigh a tonne, but if people are correct saying they lack low end tourque, it all makes sence.
anyway.... spend $3500 and get a stage 3 turbo upgrade- 350 kw they rekon (flywheel i assume)
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Posted: Tue Jul 25, 2006 11:12 pm 
Getting Side Ways
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Ride: 07 BF mk2 E-gas wagon + eb 5.0

Power: 174 rwkw

Location: Adelaide
SA, Australia

In2XG wrote:
gt-cobra wrote:
if you run a 3.7 ratio in the diff you will see improvements the xr8 utes run this ratio and the sedans have a 3.45 ratio


Err.... do u mean they get this from factory, or are you talking aftermarket.. Mine has a 3.48 lsd from factory...


i think with mk2 or bf the diffs got upgraded. 3.7's was one of them.

 

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eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough...

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Posted: Tue Jul 25, 2006 11:35 pm 
Getting Side Ways
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Age: 32

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Joined: 6th Nov 2004

Ride: XR8

Power: 238 rwkw

Location: Perth
WA, Australia

prydey wrote:
In2XG wrote:
gt-cobra wrote:
if you run a 3.7 ratio in the diff you will see improvements the xr8 utes run this ratio and the sedans have a 3.45 ratio


Err.... do u mean they get this from factory, or are you talking aftermarket.. Mine has a 3.48 lsd from factory...


i think with mk2 or bf the diffs got upgraded. 3.7's was one of them.


Oh really!!!

s**t didnt no that, i mite see if i can hunt down a diff then, or the gears out of it

 

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03 XR8 ute.... 251.5rwkw and counting
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Posted: Tue Jul 25, 2006 11:44 pm 
Getting Side Ways
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Ride: 07 BF mk2 E-gas wagon + eb 5.0

Power: 174 rwkw

Location: Adelaide
SA, Australia

i think it coincided with the 6sp man trans.

 

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eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough...

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Posted: Wed Jul 26, 2006 5:09 pm 
Oompa Loompa
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Ride: ba xr8 auto

Location: Bunbury
WA, Australia

yes the new utes run a 3.7 better offf sorsing an after market one as ford will supply only the complete unit for around $1600 they wont just suppy gears

 

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Holy Crap what was that, that my son was BLACK LIGHTNING!!!!!!
boss 260 with BPT motorsport tune helix tower power spacer C.A.I kit 25% under drive kit cat back twin 2.5" exhaust 250-260kw at the rears

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Posted: Wed Jul 26, 2006 5:33 pm 
Getting Side Ways
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Ride: BA XT, BA XR6T, ED Ghia 5.0

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WA, Australia

I think the BA typhoons ran a 3.7 diff as well.

 

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What's the difference between a Holden and a sheep? It's less embarrasing getting out of the back of a sheep..

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Posted: Thu Aug 03, 2006 11:35 pm 
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Location: Gold Coast
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The series 1 BA manual XR8s had a 3.23 diff ratio from memory, which was upgraded to 3.45 in the mkII, autos ran the 3.45 ratio from the beginning.

The 3.7 ratio diff was introduced on the 6 cylinder BA mkII 6 speed manuals, but the V8s have the 3.45 gears

The BF manuals currently still have these ratios - even FPV - 6s run 3.7, 8s run 3.45
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Posted: Thu Aug 03, 2006 11:44 pm 
Getting Side Ways
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Ride: XR8

Power: 238 rwkw

Location: Perth
WA, Australia

KenMicallef wrote:
The series 1 BA manual XR8s had a 3.23 diff ratio from memory, which was upgraded to 3.45 in the mkII, autos ran the 3.45 ratio from the beginning.

The 3.7 ratio diff was introduced on the 6 cylinder BA mkII 6 speed manuals, but the V8s have the 3.45 gears

The BF manuals currently still have these ratios - even FPV - 6s run 3.7, 8s run 3.45


Yea i have a MK I auto xr8 and for some reason on the sticker/tag on the diff, says i have a 3.48... hmmm

 

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Posted: Fri Aug 04, 2006 5:31 pm 
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Hi In2XG, are you sure it doesn't say 3.46? Sometimes they can be really hard to read.

By the way that is quite an impressive quarter mile time, have you had to do many mods to achive this? My stock 6 speed manual only manages 14.4 sec

Cheers
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Posted: Fri Aug 04, 2006 7:37 pm 
Getting Side Ways
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Joined: 6th Nov 2004

Ride: XR8

Power: 238 rwkw

Location: Perth
WA, Australia

KenMicallef wrote:
Hi In2XG, are you sure it doesn't say 3.46? Sometimes they can be really hard to read.

By the way that is quite an impressive quarter mile time, have you had to do many mods to achive this? My stock 6 speed manual only manages 14.4 sec

Cheers


It may do, ill get under there and have another look...

Mods i have done to it so far are a Generic BPT Tune (off the shelf if you like) Pacemaker Headers with a Dual 2 1/2 zorst, with a CAI snorkle, K & N filter, 4inch inlet tube and a helix spacer... thats about it

Had 32psi in the tyres when i ran.. so theres still plenty more in it Ran a 13.72, so 13.6's are there....

 

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