Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

6.5 Diesel Power Mods=Realiability Sacrifice???

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Old Jan 18, 2011 | 11:33 AM
  #31  
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Too bad these trucks are getting out of date and all the major upgrade companies aren't still running tests on them. Might need to get a hold of a few past issues of DP and read up on those sections. I'm thinking of going with the GL4 and the bosch injectors, turbomaster and trying to get a Watchdog running in the truck, all reps say that it will. Throwing on a ram air hood to take care of intake and under hood temperatures.
 
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Old Jan 18, 2011 | 11:50 AM
  #32  
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Sounds like a good idea to me!
 
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Old Jan 18, 2011 | 12:20 PM
  #33  
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well Paiamer6.5d i just got off the phone with bullydog i talk to a tech and they are telling me boost my or not work with our trucks but you have 30 days to return if need to need to lets know if it does work or not cause not sure how our puter read the boost they said never tesst it on 6.5
 
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Old Jan 18, 2011 | 02:05 PM
  #34  
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Thanks a lot Crazy, I was just going to phone them later this afternoon. Wonder if there's a way that you could get the boost to read properly. Did they say why it might not work?
 
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Old Jan 18, 2011 | 02:27 PM
  #35  
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they just said never did test 6.5 with watchdog

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let clear this up they said it may or may not work but you do have 30 days to return it if don't work they said just that they never have tested on 6.5 if do go head and get just lets know if it works not i like idea of haven all in one gauge
 

Last edited by Crazy; Jan 18, 2011 at 02:27 PM. Reason: Automerged Doublepost
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Old Jan 18, 2011 | 05:14 PM
  #36  
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Kojo and all his 6.5 buddies test out the tunes in finland. Im sure he tests the generic tunes then depending on what you want he can add little things to it that dont really effect it all completley but you still get a custom tune.
 
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Old Jan 18, 2011 | 07:48 PM
  #37  
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Do you guys have any recommends on where to install the thermocouple??
 
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Old Jan 18, 2011 | 08:15 PM
  #38  
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1. Remove the passenger side battery (and insulate the positive end)
2. Remove the airbox.
3. Put the passenger side up on a suitable jackstand and remove the wheel.
4. Remove all of the 13mm bolts that hold the inner fender in place.
5. Remove the nuts that hold the passenger side battery tray in place.
6. Remove the small screw that holds the front lower plastic in place.
7. Carefully push the hose retainer plastic prongs through the inner fender.
8. VERY carefully (it's SHARP) rotate the inner fender forward and down while ensuring you have the front clear of the bumper. Did I mention it's sharp? Don't worry.. I'll heal.
9. Wiggle the inner fender down and around until it comes free.

Now, You have TONS of room to work with. I decided to string the hoses out of the way of the turbo inlet to drill and tap the "boss" that is now staring you right in the face.

Get faceshield, drill, center punch, drill set, tap, cutting fluid and gloves together.

10. Centerpunch a starting mark on the exhaust boss.
11. Start the truck (set the brake) and drill the first size hole (I used 1/8")
12. Drill the hole with bigger sizes in steps using lots of cutting fluid and stepping up in size until you reach the size the tap calls out for.
13. Tap the hole (careful, things are getting warm by now out of the exhaust)
14. Shut the truck off.
15. Mount the adapter for the thermocouple.
16. Mount the thermocouple in the adapter.
17. Start the truck and check for leaks.

If no leaks, reverse 1-9 to put the thing back together. Enjoy knowing how your engine is performing.
 
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6.5 Diesel Power Mods=Realiability Sacrifice???-6.jpg   6.5 Diesel Power Mods=Realiability Sacrifice???-7.jpg  
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Old Jan 19, 2011 | 09:46 PM
  #39  
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Thats a great place to put it since it catches both sides of the motor since the crossover dumps into the passenger manifold.

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If I already have a 3 inch down pipe, but want to convert my straight pipe to 4 inch, I should be able to find a connector that goes 3 inch to 4 inch to weld on to it right?
 

Last edited by palmer6.5td; Jan 19, 2011 at 09:46 PM. Reason: Automerged Doublepost
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Old Jan 20, 2011 | 09:37 AM
  #40  
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should be able get that at muffler shop
 
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