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Upgrading Boss 260 

 

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trukdriva
 Post subject: Upgrading Boss 260
Posted: Mon Feb 16, 2009 12:26 am 
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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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schnoods
 Post subject: Re: Upgrading Boss 260
Posted: Mon Feb 16, 2009 12:36 am 
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Ride: ef xr8

Power: 229 rwkw

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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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'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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SgtBourne
 Post subject: Re: Upgrading Boss 260
Posted: Mon Feb 16, 2009 1:40 pm 
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Power: 133 rwkw

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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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