No fdc?

[rickdavis81]

Upgrading to spin on fuel filters and was checking to see if the fdc had been bypassed yet. It appears I don’t have one I think. Should be on the firewall side of the injection pump right behind the hh correct? Is this normal?
It has the lds-465-1a rebuilt in 92 if that matters.

 

[Elijah95]

Perfectly normal, I can’t remember the identification “Code” of the pump but eventually they started doing away with the FDC altogether


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[Recovry4x4]

LDS427 pumps never had an FDC. I was completely unaware of any engines where the FDC was deleted.

 

[Elijah95]

LDS427 pumps never had an FDC. I was completely unaware of any engines where the FDC was deleted.

Found it, G code pumps in the LDTs didn’t have an FDC. I have one sitting in my parts bin

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[rickdavis81]

Thanks, I had never heard of em not having them. Was excited to see I had a lds motor though

 

[cattlerepairman]

The LDS is fuuuuuun! Sounds better, too!

 

[frank8003]

WORK WORK WORK
Have Fun

 

[dmetalmiki]

If you can obtain an F.D.C. you should fit it.
Otherwise be careful and govern the throttle feul input with your foot.

 

[rickdavis81]

If you can obtain an F.D.C. you should fit it.
Otherwise be careful and govern the throttle feul input with your foot.

Why should I install a fdc? I always hear of them being bypassed. I only plan on running diesel with some clean new motor oil for lube.

 

[NY Tom]

G code pumps don't have or need an FDC. I believe this was one of the later pumps and must have been designed for running straight diesel. No need then for compensating the different fuel densities which is what the FDC function was.

They are bypassed because they somehow are a path for fuel to leak into the engine oil. So many posts on here with great detail about why.