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Yeah-thats where a permanent mounted fuel pressure gauge thats tapped at the ip inlet and the clear return line being monitored comes into play. I’ve had guys chase an intermittent rough start for years end up tracking it down because the pressure gauge showed a temporary drop in pressure.

Yes. I can’t remember any years where it doesn’t. Maybe others can speak up if some don’t.

Ok. Fuel pressure going to the ds4 should be 8-14 psi. But so long as it has any pressure at all it should start & run. The clear line - 1/4” diameter about 5” long that is in place for the ip return line- Please post a pic of it so we see you have the correct location. Having a tiny bubble...

Bolt in cat is far better. Remove it for play time, have it to install when needed. If he added cost of a couple flanges added in is minimal compared to issues that can occur.

No

No I do not have the part number. @Rockabillyrat might have it or might even have a couple on hand he might sell? I wanna say 1983-94 6.9 diesel was the years they ran the db2. I never bought the part myself, I always had a “pump guy” that I could just call in the past. And same thing this...

Yup. And in some states, smog certified shops are required to turn in someone without the gear. Hence my reasoning of store the old parts, you can easily explain the parts were removed for that one particular off road or racing application.

The difference is nominal vs absolute. Absolute is NOTHING 14 and larger gets through. nominal is the average that gets through is 14 but could allow a certain percentage up to say 50. So make sure to find the spec difference of absolute & nominal. The Fass water filter is an absolute stop...

Imo going to the Fass water separator is worth it. You can get just a spin on mount for that. Not knowing the other one you are looking at- just hope it works for you. The factory ffm has filter, a poor water separator, and a good fuel heater. Depending on your location if you need a fuel...

I don’t have one but have a few friends that do. The dpf delete itself doesn’t alter power. You will see a slight improvement in mpg because when a regen is occurring it burns fuel to do it. But not like you will save huge money. Because the delete costs money, you will be out money for some...

Jamez, welcome. We need to make sure exactly what your situation is. Please fill out your signature line with truck details- especially any modifications. Pictures and videos are always helpful. Do you have clear fuel line going into and out of the ip (injection pump)? Any bubbles? Can you...

I really can’t remember enough of the gmt400 clutch if this will help or not. I never used one of these and have done half a dozen or so hydraulic clutches in these. Fleets just don’t use manual transmissions unless they have to. The only thing I remember doing them is I hate them and it is...

$68.99 + s/h https://www.speedwaymotors.com/Speedway-Hydraulic-Clutch-Release-Bearing-Set-Up-Tool,3168.html A guy could diy one but idk if there would be any cko of it for sale because by time a guy figures out making it correctly, pays for materials- it easily gonna sell for that price or...

Yeah- some water beat up the differentials a tiny bit but nothing at all to worry over. As mentioned- make sure the breathers are cleaned up. & if you offroad half as much as that is rig deserves it, extend the breather hoses way up high. In hmmwvs they tie the two together then use a small...

Depends if it is a short circuit or a battery draining component with or without key on. Basically measure amperage pulling from battery. Leave the meter in place and pull one fuse at a time. When amps drop- that That will id the circuit. Finding a short circuit- that isn’t fun. You...

Yup. Some bone head told AM General & the military that 230,240f is ok for these engines and they blow through them like candy because of it. Meanwhile everyone else that know 220f means PULL OVER NOW & let it cool off- the engines make it a long life. There is other things to look at &...

I can’t remember reading anywhere that showed the Dalton date code pattern. Maybe some calls or emails sent off could get results?

The 4l80e has minor changes year by year. DEFINITELY have yours rebuilt.

Can you take a picture of where the date code usually is?