what port for the boost gauge??

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I just got my 50 psi boost guage and I was wondering where to hook it up? What port do you guys tap into???

As always thanks for the comments!
Hov.

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1999,2500 (white)4x4,QC,LB,ISB,AUTO,3. 54's Track Loc, All options except leather,Factory Flares(Black),Tow package , Camper package, Rhino Lining(Black), 285/75r16 ,K&N Filter, Waiting to BOMB the heck out of it(I need your inputs first !!!)Based on many inputs(THANKS) Bill K's TC and valve body,P. E. fueling box, DD stage 1 injectors, Psychotty air, Jardine 4'' exh. Autometer Egt,50 psi boost, trans temp Guages dash mounted with Autometers triple mount.
In the process of putting it all together!

 

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HOV... you can do it 2 ways... theres a 3/4 pipe plug on the side of the block on the drivers side. You can get a reducer down to 1/8 or if you have trouble finding it, you might have to goto the 2 bushing route. The 2nd way I used,I took my intake off and drilled the back using a 1/8 pipe tap, I wished i could post a pic, but i cant..... JB

 

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There's a fairly large plug just above the fuel filter (careful, there's also a smaller plug that'll release anti-freeze) that you can use. Been plenty of posts on this subject this summer. Some people have drilled/tapped into the firewall side of intake duct, just near the oil stick housing but I've had good readings/no trouble with using the plug.

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'98. 5 2500 QC ISB 4x4 SLT, Auto w/Transgo shiftkit, JRE 4" exhaust w/5"Tip, DD II's w/Module&Elbow, VA box, Rancho 9000's w/in cab adjust, Mag-Hytec trans&diff covers, Jacobs E-Brake w/BD autoloc, trans temp, boost & EGT gauges, 2Low Kit, Brite Box, Steel Horse Billet Grilles, AirBullDog hood induction system

 

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ditto on using the 3/4 plug outlet, that's the nicest install IMO, quick and easy. Any plumbing store or hardware or farm supply should be able to fix you up with the reducing bushings (proper name in industrial applications) you need. Got a buddy who drilled and tapped his intake runner,though, and it looks nice.

 

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I put a tee fitting in where the boost signal goes into the AFC on the pump and hooked up there and it seems to work fine. If this is a bad idea let me know please so I can make it right

 

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I could never figure out which hole to use on the engine so I took out the screw on top of the turbo where the waste gate hose hooks in and put a T fitting there. One side goes to the boost gauge the other to the waste gate. Works great.

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Mark Callahan

1998. 5 3500 4x4 24V 5spd, Geno's Muffler Kit, Chrome exhaust, Western Hauler Headache Rack, Chrome Rocker Panels, A-Pillar Mounted Boost and Oil Temp Gauges, No Turbo Silencer Ring (Yeah Baby!)