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Upgrading Boss 260 

 

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 Post subject: Upgrading Boss 260
Posted: Mon Feb 16, 2009 12:26 am 
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Age: 56

Posts: 12

Joined: 17th Aug 2005

Gallery: 8 images

Ride: FPV GT

Location: Perth
WA, Australia

I have got a BA XR8 ute with a Boss 260 motor and I would like to upgrade to maybe a 290 thereabouts. what do I need to do to get some more grunt from the Boss. Thanks

 

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FG GT, Auto, Cat back twin 3" DeFillipo exhaust, K&N filter, Underdrives, Sniper flash tune. 380 rwhp

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 Post subject: Re: Upgrading Boss 260
Posted: Mon Feb 16, 2009 12:36 am 
Getting Side Ways
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Age: 33

Posts: 2058

Joined: 25th May 2006

Ride: ef xr8

Power: 229 rwkw

Location: Perth
WA, Australia

A flash tune will get it on par with a boss 290.

A decent exhaust, a decent cold air (blue power airbox), under drive pullies combined with a flash tune will see you get some very nice gains indeed compared to stock.

 

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Because of Beer, Thirst is a Beautiful Thing!

'95 EF XR8 auto, Advance headers, 3" exhaust, Cobra manifold, BBK 75mm throttle body , 80MM Marauder MAF, Vortech V2 T Trim , 307 rwhp, 405 ft/lb 13.2 @ 105 MPH

Now N/A (permanent Lag) - AFR 165's, Comp XE270 cam, 1.6 RR - 269 rwhp 14.1 @ 102mph.

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 Post subject: Re: Upgrading Boss 260
Posted: Mon Feb 16, 2009 1:40 pm 
Getting Side Ways
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Age: 30

Posts: 1087

Joined: 1st Sep 2007

Ride: '07 LT XR5

Power: 133 rwkw

Location: sydney
NSW, Australia

get a decent air intake (blue power)
better headers (the stock ones are sucktastic), hi flow cats, then catback.

and tune, once done youll be very happy with power and sound

 

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I lost 3 cylinders... but gained a turbo...
Proud owner of an '07 XR5Turbo

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