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Ok I started this thread so we could clear up the differences to answer the why more hp. I said before its more fuel and the bigger turbo. put an LDS big whistler on your truck and turn up your fuel screw and you will get the same hp. We have played with these trucks swapping parts around and...

So my little brother stops by today with his bobbed duece that I built for him. He tells me it's leaking something and wants mr to check it out so I lift the hood and I'm trying to see this oil leak behind the air pump and I look down and long behold there is a LDS injector pump on his truck his...

I'm meeting with a guy today that can test these two ip's. It might take a few days but I hope to have an answer. It would be nice to find out that you swap out a spring in all our ldt's and then the injector pumps are the same. I know there's been a lot of talk about the single hole vs two...

I'm meeting with a guy today that can test these two ip's. It might take a few days but I hope to have an answer. It would be nice to find out that you swap out a spring in all our ldt's and then the injector pumps are the same. I know there's been a lot of talk about the single hole vs two...

So are we really thinking this injector on the lds does more than the one on the ldt I looked them over today and they are defintly different part #'s guess it's time to pull them off and send them to the local diesel performance shop for testing let's find out. I know sone one was already going...

Funny you should ask I just pulled one off of this five ton make me an offer and it's yours

Can some one please post some pictures of what is being called a D turbo and A C turbo and what are we calling the third one?

just a thought if on all of our LDT engines we have the fuel adjustment screw to increase fuel which i have played with on mine what would be the need to have an injector pump made to increase fuel when a few turns of the screw already do that? i believe it has been widely stated that the 2 hole...

i couldn't wait so i went out and pulled the injectors here's what i found: the LDS had a single hole injector made by united technolodies USA part #akf13056614a rebuilt in 1987 the LDt had 2 hole injector made by international italy part# 130sm-6844b2 rebuilt in 1990 i kinda expected to find...

ok i'm gonna start with the injectors i will pull them out tomorrow and see what the difference is then its the injector pump. i gather there is a oil grove in the pistons and while this will definitely help with engine life i don't think it makes more horse power HG's is this head gasket?

I have read plenty of threads about the LDS VS LDT motors. and have found no conclusive evidence that says there is anything more then a bigger turbo making the extra 90hp so as i have both motors siting in my drive way i'm looking to get to the bottom of this once and for all. disassembly time...