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what are good performance mods for a ba xr8? 

 

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 Post subject: what are good performance mods for a ba xr8?
Posted: Sat Jul 21, 2007 7:52 pm 
Parts Gopher
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Posts: 71

Joined: 21st Jul 2007

Ride: xr8

Location: sydney
NSW, Australia

im after some knowledge on what performance parts will give some extra power but not blow the budget[/b]
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Posted: Sat Jul 21, 2007 7:56 pm 
Getting Side Ways
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Age: 28

Posts: 554

Joined: 24th Mar 2007

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Ride: ef 5 speed

Location: melbourne
VIC, Australia

crow cams we had crow cams in a 260 and got 40 kw more

 

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lsd for a for ef ,modifed au sump to go in and ef , working air con compressor

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Posted: Mon Jul 23, 2007 6:29 pm 
Getting Side Ways
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Age: 33

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Joined: 17th May 2007

Get a Flash Tune, good induction and full free flowing exhaust. This will make a world of difference. If you can afford it a set of 3.73:1 or 3.9:1 diff gears will give the car strong acceleration and will help the engine with all that weight it's gotta haul~ Basically any performance shop can help you, there are loads of performance options for the XR8..
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Posted: Wed Jul 25, 2007 12:18 am 
Getting Side Ways
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Age: 64

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Power: 482 rwkw

Location: Penrith
NSW, Australia

IMO the best bang for buck on these engines is any type of forced induction.... Centrifugal blower...

 

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Posted: Wed Jul 25, 2007 7:15 pm 
Getting Side Ways
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Age: 32

Posts: 1298

Joined: 4th Apr 2006

Ride: BA 3v ute

Location: Melbourne
VIC, Australia

CAI - bluepower/g&d, ss inductions and similar crap offer very little gains, maybe 4-5rwkw
$600

Exhausts - I prefer di filippo but each to their own
$2,000-3,500

Capa flash tune - custom tune
$1500

5 speed man - 3.73lsd/high performance clutch
6 speed man - 4.10lsd/high performance clutch
auto - 4.10lsd/3000 hi stall
$1900 lsd/$1500 or so, hi stall

Underdrives pulley
$350ish

Don't bother with a larger throttlebody, does not make a difference unless you want an extra tenth of a second down the qtr. They also play up alot

I wouldnt bother with cams until all that is done, the car will need to be tuned after and to get the most out of a tune you should have the exhaust and cai done.

 

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