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Discussion Starter #1
i just bought a new (ish) truck. 99 k3500 with the 6.5 diesel in it. and would like to know if anyone on here knows how to get some more power out of it? besides the normal cold air, exaust route. those are done of course. im hoping someone makes a programmer and that someone has used it. or something to that affect. its getting the full treatment ( SAS!) 42" irocs custom bumpers. my other truck is done so im gonna start this one. please help! this is my first diesel.
 

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HOT AIR BALLOON OWNER
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Check in this section - http://www.gmfullsize.com/forum/forumdisplay.php?f=60

I posted some info recently on the 6.5L. I just needs to breathe and some other basic BS to make decent power.

You're putting 42s on this truck? Run as much gear as you can get, not sure what's the deepest for the 10.5"... I guess 5.13:1
 

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GMFS Military Member
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Discussion Starter #5
thanks guys! yeah i have 38s on my other truck with 5.13s and that is about perfect. (not on the freeway much)
 
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