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Re: Diesel Ranger [Re: david85] #837434
01/30/08 08:07 AM
01/30/08 08:07 AM
Smeez  Offline
Need a Spot
Joined: Jan 2008
Posts: 7
Ashland, OR. USA
Today I opened the vent valve on the fuel conditioner housing and turned the ignition on to activate the electric fuel lift pump. I watched the drain hose until only fuel with no air bubbles came out.

After starting the engine, still it will idle momentarily and then die. This makes me think it is an air leak somewhere before the fuel filter.

Tomorrow I will take my bottle of diesel fuel move it behind the lift pump and then behind the primary fuel filter to locate the air leak.

How low can I test the turbo to see whether or not it's working?


1986 Ford Ranger 2.3l 4d55t Turbo Diesel 4X4 w/ 5spd
Re: Diesel Ranger [Re: Smeez] #837435
01/30/08 09:09 AM
01/30/08 09:09 AM
D
david85  Offline
Need a Spot
Joined: Jan 2008
Posts: 24
Campbell River B.C.
The turbo will have a distinct sound. Ours sounds almost like a police siren two blocks behind you. Putting a boost gauge in is the only real way to test it though. Might want to check the wastegate to make sure its not rusted in the closed position, that has been known to happen on these old rangers.

Your stalling problem may have been triggered by the biodiesel. Veggie oil has a powerful ability to clean all the deposites in the fuel system that may have been collecting for several years. This usually means that an engine that has never run on bio can quickly clog the fuel filter with all those stripped deposites. If it was sitting for a while, that would not help either. It can also eat rubber fuel lines and O rings, just a thought.

Re: Diesel Ranger [Re: david85] #837436
01/31/08 07:57 PM
01/31/08 07:57 PM
Smeez  Offline
Need a Spot
Joined: Jan 2008
Posts: 7
Ashland, OR. USA
Thanks for your help David, it's been hard to find any info on these. I did just purchase a used chilton manual for the truck from alebris.com for $3.

I am certain that the turbo on this truck is not working. When the truck was running best, it still lacked power and there was never a turbo "whistle". Is this turbo equiped with an internal or external wastegate and does an internal wastegate require removing the entire turbo to address the possibility of a frozen wastegate? What is the cost associated with replacing, upgrading or rebuilding this turbo if it does need to be replaced? Is it bad for the truck or engine to drive without a working turbo?

It seems from what I've read on the forums that some engine components from 4d55's in the mighty max truck are slightly different and maybe incompatible with components that ford used on the ranger. Are these turbos universal between the mighty max, ranger and power ram?

I just ordered synthetic tygon, a new alternative to viton and vitube products, which is resistant to biodiesel and can be used for fuel lines. The best thing about tygon is that it's clear so even if my air leak persists after swapping out all the fuel lines, I will be able to see the bubbles in the line!

My goal is to biodiesel proof this truck and in so doing I plan to swap the fuel lines, replace the seals in my already leaking injection pump for viton, this issue may have to be addressed in the lift pump as well. My goal is to run B100 all winter long in Southern Oregon where temperatures are consistently below freezing, nothing I'm sure to what lot's of you Canadians are used to but still problematic temperatures for running B100. I also want to heat some components in my fuel system starting with the fuel tank and then the injector lines.

Does anyone know if the injection pump or the lift pump contain any rubber seals or components?

I will keep you all updated on the project as it goes along. I am really excited to have one of these engines, it's gonna be a lot of fun to build and work with.


1986 Ford Ranger 2.3l 4d55t Turbo Diesel 4X4 w/ 5spd
Re: Diesel Ranger [Re: Smeez] #837437
02/01/08 02:45 AM
02/01/08 02:45 AM
D
david85  Offline
Need a Spot
Joined: Jan 2008
Posts: 24
Campbell River B.C.
I know what you mean about not being able to find info on these engines, they are rare in this part of the world.

You might want to get new timing belts while your at it (timing and silent shafts), and inspect your water pump. RockAuto has just about everything you would need for this engine, I got a reman water pump from them.

I think there are some differences in bracketry between all variants (ranger, R50, and mighty max) but the ram 50 is technically a mighty max, so those may be similar. But the turbo setup should be the same among all three, for something that expensive, its likely ford would have preferred to mod the truck instead.

The turbo is an internal wastegated type, and they have been known to rust, but usually its in the closed position, potentially causing overboost problems, hence the blow off valve on the intake. If you look down past the climate control airbox, you should be able to see the actuator for the wastegate. and if you're really lucky, you might be able to squeeze your hand in there to see if the linkage will move, its normally quite stiff (if the truck is non AC it will be easier).

I would take the intake line off the turbo inlet to see if the turbo is stiff, or if it even moves from idling the engine.

There is something else to check.

If you look in the intake manifold, there should be two small hoses plumbed into it. One goes back to the wastegate actuator, the other goes to the injector pump. The injector pump then has a line connection it to a vacuum source through a "gismo" on the driver's side fender. This "gismo" has has rubber connections that are prone to rotting. If there is a vacuum leak here, than the injector pump gets a false boost pressure reading, and will not give as much fuel as it should. To test this possibility, you can simply bypass the "gismo" (I have no idea what it's purpose is), and see if there is a difference. We ran our ranger with, and without that thing connected, the only difference was slightly more low end torque with it bypassed.

Re: Diesel Ranger [Re: david85] #837438
02/01/08 07:49 AM
02/01/08 07:49 AM
8
89Diesel  Offline
Getting the Wheeling Fever
Joined: Oct 2007
Posts: 42
Regina, Sask Canada
Also, a sign of a non-working turbo is-LOTS of black smoke. (provided someone hasn't turned up the pump!)

I have an 86 diesel out of a Ranger in my D50. It was a real dog before I took after the pump with a screwdriver. Now it blows a ton of smoke, outa the exhaust and off the tires!


A day late, A dollar short, and A half a mile behind...

pass me that crescent hammer...
Re: Diesel Ranger [Re: 89Diesel] #837439
02/01/08 09:33 AM
02/01/08 09:33 AM
D
david85  Offline
Need a Spot
Joined: Jan 2008
Posts: 24
Campbell River B.C.
Yes, the bosch pump has lots of potential for fuel flow, just be careful you don't blow the head gasket like we did <img src="/forums/images/graemlins/scared.gif" alt="" />.

The IP also has a fuel interrupter (as I described), that will restrict fuel delivery until there is enough boost signal for a complete fuel burn. This is one reason why these diesels can be such dogs off the line at the stock setting.

Re: Diesel Ranger [Re: david85] #837440
02/04/08 06:45 PM
02/04/08 06:45 PM
Smeez  Offline
Need a Spot
Joined: Jan 2008
Posts: 7
Ashland, OR. USA
Today I took the intake line to the turbo off and was able to watch the fan inside turn. I tried to move the wastegate actuator linkage but it was froze, this is a non-ac truck.

I also bypassed the gizmo on the drivers side fender. When doing so I noticed a t in the vacuum line. The line goes from the ip to the gizmo and from the gizmo to a T. and from the t it goes to a small vacuum pump underneath the coolant reservoir where the vacuum comes from and then there is a loose line on the T. This line is of larger size than the two vacuum hoses. With the truck on I can feel a vacuum coming from the open line. Should this be hooked up somewhere or does it need to be open so air can come in for the vacuum?

Truck is warming up right now, gonna go try her out and see if I can notice a difference.


1986 Ford Ranger 2.3l 4d55t Turbo Diesel 4X4 w/ 5spd
Re: Diesel Ranger [Re: Smeez] #837441
02/04/08 07:06 PM
02/04/08 07:06 PM
D
dylanb  Offline
Wheeler
Joined: Jan 2005
Posts: 197
Atlanta, GA
No need for any line to be open.... they should wither be plugged or hooked up to something.


85 4x4 Pickup, 267K, 4d55 Conversion, Sway-A-Ways, Dual Batteries
Re: Diesel Ranger [Re: Smeez] #837442
02/04/08 08:55 PM
02/04/08 08:55 PM
D
david85  Offline
Need a Spot
Joined: Jan 2008
Posts: 24
Campbell River B.C.
Quote
Today I took the intake line to the turbo off and was able to watch the fan inside turn. I tried to move the wastegate actuator linkage but it was froze, this is a non-ac truck.

I also bypassed the gizmo on the drivers side fender. When doing so I noticed a t in the vacuum line. The line goes from the ip to the gizmo and from the gizmo to a T. and from the t it goes to a small vacuum pump underneath the coolant reservoir where the vacuum comes from and then there is a loose line on the T. This line is of larger size than the two vacuum hoses. With the truck on I can feel a vacuum coming from the open line. Should this be hooked up somewhere or does it need to be open so air can come in for the vacuum?

Truck is warming up right now, gonna go try her out and see if I can notice a difference.


That line might be for the low vacuum warning switch, it should be located in the driver's side fender as well, and is similar in appearance to the "gismo" but slightly larger and has a three wire connector on it. In any case, there should not be a vacuum leak like that at anytime. Plug that hose off if you can't find where the line is supposed to go. The IP uses the pressure differential between the vacuum and boost signals to "time" the fuel delivery, the bigger the difference, the more fuel it will pump. So a vacuum leak will mean less fuel, and by default less boost/power.

Re: Diesel Ranger [Re: 89Diesel] #837443
02/04/08 10:21 PM
02/04/08 10:21 PM
Smeez  Offline
Need a Spot
Joined: Jan 2008
Posts: 7
Ashland, OR. USA
The turbo is alive again! I think bypassing the gizmo did the trick, the difference in power is absolutely amazing. I can hear the turbo whistle and the truck accelerates much faster. Thanks for your help David!

I ended up plugging the extra vacuum hose, looked a bit but am not quite sure where it goes.

It is amazing how much crud a couple gallons of biodiesel has solved out from the tank and lines. I have owned the truck for a little under a month now and am on my third primary fuel filter!

Quote
Yes, the bosch pump has lots of potential for fuel flow, just be careful you don't blow the head gasket like we did <img src="/forums/images/graemlins/scared.gif" alt="" />.


Will an upgraded intake and exhaust prevent a blown head gasket from increased fuel consumption by allowing the engine to breath more?


Quote
Also, a sign of a non-working turbo is-LOTS of black smoke. (provided someone hasn't turned up the pump!)

I have an 86 diesel out of a Ranger in my D50. It was a real dog before I took after the pump with a screwdriver. Now it blows a ton of smoke, outa the exhaust and off the tires!


What are the adjustments you made to the ip to increase fuel flow and that oh so desirable black smoke off the tires? Also, what other measures did you take so you didn't blow up your engine?

Is there a proper order to take as far as what upgrades to make first so that everything works together without a complete blow up?


1986 Ford Ranger 2.3l 4d55t Turbo Diesel 4X4 w/ 5spd
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