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Discussion Starter #1
my bro. in law just bought a 6.5 littre suburban the other day and we werewondering if you could turn anything up like you can on the old 12 valves?
 

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You should be able to turn up the injection pump.
I don't know any details, I'm sure some the 6.5 owners will chime in.
 

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Oh...... Squirrel!
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Discussion Starter #5
oh,
i thought with it bieng a little older you could turn up a pump and get smoke and more ponies
 

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Oh...... Squirrel!
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i would think you could turn pump and advance timing but not sure.
Sorry I hate to argue but unless you know what your doing and from first hand experiance DONT DO IT!!!!!!!!!!

My dad owns a auto shop and no one I know and work with could figure mine out. Some how (I haven't figured out how) when you adjust the timing you have to also adjust it electronicaly using a Tech I that the dealers have. :mad: :mad:



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You can get a chip for the newer 6.5. Not all have computers. Only from 95 up I do beleive.
 

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Me and step dad bought a 93 6.5 cc/dually for a play around in truck. It don't have computer so we can't really do awhole lot with out doing alot to motor and turbo.
 
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