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4r100 or ZF6, I sold my ATS 4r for a ZF6 setup. You have to be a manual guy to go with the ZF though. If you want to race you need the 4r. If you are a heavy tow guy you can't beat the ZF6, it's made for tow capability, but that's about it. I love mine, I think I'm done with auto's, too many...

The autoworld mounts intentionally offset the engine in the bay, not sure if you are using these, but some mounts do this on purpose. Destroked mounts are designed to be centered in the truck, that's why I chose them. You should fill in your sign so people know what you are working with.

Just noticed your sign shows a 6sp. My recommendation probably won't help then. Not sure if the clutch switch is involved, does it work?

It sounds dumb, but you are in neutral with your foot on the brake right? 4H will switch in drive, but low won't.

The bottom end is probably fine at 160. I'd go through the heads though.

If you have the Cummins, put it in. I love mine and don't regret the cost one bit. Whatever to the 6.7 vs 5.9 debate. The little things like noise, vibration and smoke are much better with the Cummins if you are in to that. The 6.0 is a hell of a rattle box, I can't stand driving it, it's...

If your wastegate solenoid valve is leaking internally your boost will be low as well. Pull the line off the inlet manifold, cap off the nipple and test drive it.

I've considered this as well. Make sure you get the UV protected line X or it'll go flat.

Are we talking about an OEM plate or Destroked plate? The OEM pattern will be the same, but the thickness is different. A Destroked plate should be the same for both, you just add a crank spacer for the ZF. I think.

I think the late model ZF6 and 5R are the same.?

Doesn't the coilover mount in the same location as the shock would? If that is so why would the travel be reduced? Wouldn't I just need the corresponding coilover body length? I really just want to soften up the front a bit. I have old school Skyjacker 2-2.5 springs and the teflon pads are...

I've been looking at a coilover conversion for my 99 Superduty. There are a few out there and I really like the Full Traction setup. The issue is that I only want 2.5 inches of lift and the smallest that is offered is a 4.5". Can I just get the builder kit and install a shorter coilover? How...

This thing running yet?

I used the Ford AIS in an attempt to quiet down my 38r, but it didn't work. It's not the whistle that is loud it a resonating sound at cruise, like a howl or siren noise. I had it straight piped and installed a muffler too and that made the howl about 20%? quieter. I did not really care for...

The 38R was awesome on my 7.3, but be warned it is loud, not whistle loud, but fire engine siren loud!

I disagree and yes there are a lot of V's in the shipping industry, depends on the application. You and I are not going to come to a conclusion on this and there may not be one. My seat of the pants with a comparable displacement and fuel system is that the I6 is stronger. That is all I need...

I disagree. What Cat or Detroit is going to fit in a Superduty? Even a C7 uses hydraulic injectors. I had one in my service truck that I drove for 5 years and I loved it, but it's potential is limited by the injection system. I did however have tons of low end, the type that comes from an...

Yes, this is a secret term used to confuse you! No, I just say Scorpion to distinguish it from the Cummins 6.7.. You know you start throwing 6.7 this and that around and a couple pages later no one knows what the hell your'e talking about. ?? I'm gonna start calling my 6.7 a Raptor. I have...

I'm running a 6.7 in my '99. It's not that hard and parts for the swap are readily available. I don't know about the 6.4 or Scorpion, but I've never seen one as a conversion. The reason I'm a Cummins fan is because of the low end torque. You loose 2 cylinders and that is made up with stroke...

I'm for anything Common rail. It's just that the Cummins is easier. I think it would be awesome to put a Scorpion in to an older truck.