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Best fuel type for Boss 260 

 

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 Post subject: Best fuel type for Boss 260
Posted: Tue Feb 17, 2009 9:24 pm 
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I have got a BA XR8 Boss 260, it has got a 2-1/2" sports exhaust and also SS CAI fitted. What is the best type of fuel eg. 91, 95, 98 to run in it to get the best economy and power :?:

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Tue Feb 17, 2009 10:41 pm 
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i wouldnt touch optimax (or what the hell ever fuel shell sell) not after i've seen the stuff from what i've filtered. its s**t

BP ultimate or maybe vortex. of course thats premium, but you can also have a gold plated rolls royce, if you pay for it....

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Wed Feb 18, 2009 10:44 am 
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vortex 98, dont ever run regular-ever!

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Wed Feb 18, 2009 12:33 pm 
Getting Side Ways
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Have you got a tune on it??

I'd be running 95 minimum, 98 is good, a generic 98 tune would make a bit of difference though.

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Wed Feb 18, 2009 11:51 pm 
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The 260 only needs to be 95, and it'll run on 91 ok.

The 290/302/315 needs 95 at a minimum. Pinging and severe performance throttling will occur on 91.

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Thu Feb 19, 2009 10:21 pm 
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My dad runs BP Ultimate in his XR8 08 BA MK2 six speed manual,mods are cat back exhaust and k&n air filter,we found it ran better on the Ultimate,Shell V power lacked performance and Vortex lacked the fuel economy,i'd go the BP fuel,costs a bit more,but will give good fuel economy and performance in my opinion.

 

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 Post subject: Re: Best fuel type for Boss 260
Posted: Fri Feb 20, 2009 7:51 am 
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best fuel will be 98, take your pic of either BP or caltex.

personally i wouldnt be a cheap skate on fuel if you have decided to buy a v8, so i'd keep that in mind.

in saying that, if you end up having no 98 available, my BF has run perfectly on 95 when required.

 

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