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

boost gauge

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  #11  
Old 03-15-2011, 09:40 PM
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okay thank you
 
  #12  
Old 03-16-2011, 11:01 AM
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Crazy's right on this one, he told me where to put mine. I took off the upper intake and drilled and tapped it toward the back center on the very top. I used an Equus gauge and when I floor it, it gets up to about 8-10 psi.
 
  #13  
Old 03-16-2011, 09:12 PM
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could you please post a pic
 
  #14  
Old 03-16-2011, 09:32 PM
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Is there a hole in the firewall to route the lines through, or is it easier to drill you own? What did you tap the back lighting into?
 
  #15  
Old 03-17-2011, 08:53 AM
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i drill new and put rubber grommet in

if back light not LED then you can tap into the dimmer switch

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could you please post a pic
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jamestheron08

what do you need pic of
 

Last edited by Crazy; 03-17-2011 at 08:53 AM. Reason: Automerged Doublepost
  #16  
Old 03-17-2011, 03:48 PM
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i need a pic of where it taps in the intake. and what size bit?
 
  #17  
Old 03-17-2011, 05:04 PM
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Default This should help

autometer boost gauge install with pics
after not finding a good write up i made my own .... here you go

parts needed

---autometer boost gauge ( or other as long as it has the 1/8npt fitting)

---1/8-27 npt pipe thread tap

---5/16 drill bit

---male 1/8npt compression fitting ( i just got the nylon hose kit from sunpro, available at autozone or advance)

you could probably find the fitting without getting the kit but i just got it because it was convenient at the time

this write up may be elementary to some, but im sure some will appreciate it ...

i appologize for the low quality cellphone pics... forgive me (hehe)

First, take off your upper intake manifold, theres 6 bolts on top, 2 sensors to unplug, and the hose and brace to the turbo.

Then decide where your going to have your boost source location, i chose the back right side, put your intake in a vise so its stable to drill, (if you dont have a vise you should go buy one immediately)


be sure you have the intake in the vise so the surface your working with is flat, then drill the 5/16 hole where desired. put the tap in the hole with the tapping tool, make sure its level and with good pressure start turning the tap clockwise in the hole, this is the most crucial part to get right. the tap will begin to cut into the hole, making the threads. once you see the tap get through to the bottom a lil bit youll want to back the tap out and back in a few times to clear the new threads of metal shavings



right here is about where you want to stop so you can make good use of the threads. since pipe threads are tapered you can make the hole a lil too big and the fitting wont fit as snug as youd like.


back out the tap and make sure all metal shavings are cleaned up


now get your male 1/8npt fitting and wrap some teflon tape around it. this will give it a good seal. screw in the fitting and DONT over tighten, cast aluminum is not the strongest metal!
 
Attached Thumbnails boost gauge-1.jpg   boost gauge-2.jpg   boost gauge-3.jpg   boost gauge-4.jpg   boost gauge-5.jpg  

boost gauge-6.jpg  
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  #18  
Old 03-17-2011, 05:38 PM
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thanks man
 
  #19  
Old 03-17-2011, 06:28 PM
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is there any reason why you can't tap it into the tube?
 
  #20  
Old 03-20-2011, 06:23 PM
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well crazy i drilled and tapped where you said to and it works great. it is only reading like 6 psi is that normal?
 


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