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What trans is in your rig? if it's a 4l80e then itll be an electric speedo, 7r400 uses cable driven. I have one of those GPS speedo's, they work decent but they take a few minutes to connect and register speed when turned on. they are also nice to use to calibrate your speedo once you get...

I would not do that on a running engine! taking another IP and doing that in a controlled environment is much safer! I can't remember but I think some john deere tractors use a similar DB2 IP but is setup for a 4 cylinder engine. really any IP that produces those pressures and can be...

engine sounds good, but in your tests I would question the spray pattern of #3 and #7. #4 and #8 is what you want to hear and see from all of them especially from new injectors. I have always thought about rigging up an old DB2 IP, doesn't matter if it's off a 4 banger tractor or from a...

I agree, probably need to have those injectors leak down tested. I can do it for you, but it would leave your rig down for a bit unless you have a spare set to have setup and then swap them out. when it's doing that, if you give it a little RPM from the go pedal, does it fog the area for...

Well spent the day playing in my cad software on my pc along with doing other household duties in between.. made several iterations of this stack-able gauge pod and now I think we have a winner! I did a custom base to try and fill in as much of the gaps on the pillar as possible while still...

I'm not sure they are available anymore, others can verify that. if the hose is there and just plugged off, iirc that T valve is just a brass drain valve with one end having 1/4" hose barb for the hose coming from the FFM (fuel filter manager). the other end is open, the original had another...

Well, I would say go ahead and pull the injectors, mark each for which cylinder they came from. test them, pull them apart, inspect, clean, and retest. I use a ultrasonic cleaner I got off the jungle site to clean them. use some water base solvent like ZEP 505 cleaner. if you need shims I...

Maybe I mis-read something, I was looking at your trans input and output speed. next time your out n about, pay attention to your tach and speed and see what they look like. your most likely have 4:10 gears for hauling. my 95 has 3:73 gears, 265-75-16 tires and I get about 2200ish at 70mhp...

Welcome @Boblaw66 when under load are you getting any smoke from the tail pipe? could be not getting enough air from the turbo or clogged air filter. lift pump should be providing 8-14 psi continuously to the IP. the factory GM lift pumps are garbage for keeping up with the demand of these...

@Will can tell you all about engine temps on these rigs! you want it to stay under 200. your risking cooking cylinder #8 piston and rings. There is a pipe plug in the head near the #8 cylinder, pull that plug out and install you a mechanical temp gauge there to keep in the cab. run a...

look at your engine coolant temp, 211 is in dangerous territory for these engines! also 2700~ rpm at 57 mph is where your MPG's are going! what is your rear axle gear ratio and what size are your tires? I assume you are running a 4L80E trans.

Running a spring on the waste gate might cause teh PCM not to be happy. but in your snapshot there were no codes set. the Turbo Master which is a bracket and spring setup might help you set the boost pressures under load and help keep the boost down low when cruising with the old injectors...

you have to subtract the boost pressure (map) from the barometric pressure (baro) to get the actual boost pressure on these rigs. he's only running 10.95 PSI from the turbo.

My son and I put together a small print farm in the spare bedroom over the last few months. The work area is a bit of a mess right now with my most recent (used) printer being overhauled (far right in photo), but this is what has been keeping me occupied and off the forum for a bit. I had...

@MrMarty51 I'm running a draft test print now, and will test fit on my 95 tomorrow. Just using some PLA filament for the test run, it's not suitable for use in a vehicle unless it's heat treated otherwise it will distort and melt in the heat. I can use it to make sure the fitment is right...

Also from looking at the trans data, your driving 55 mph and your in 3rd not 4th (overdrive) and TCC is not engaged. 2600 RPM at 55 mph will suck some fuel!

the only thing I see that stands out is your IAT at 240 degrees. this means the engine is sucking in hot air from the engine compartment rather than outside air. did you have the injectors tested and balanced before installing? if so, what pressure were they set to? another question is did...

I will do a test print this weekend and see how well it fits in our rigs. it's fully customizable as far as gauge size, plus I can tweak it in my 3d cad software on my PC if needed.

I found this one online. I might attempt to print one just to see how it looks! it's configurable and stackable so you can use as many as your want. https://www.thingiverse.com/thing:2218416

if you want to hide all the wires and tubing, get one of those carpeted dash covers and run the wires and tubing under it. take some scissors and snip an opening for them to come out at the gauge or let them come out from the defrost vent opening. use some Velcro to affix the pod to the carpet...