CoolumConst

I just put on F1.8's and HTT 62/65/13ss. The truck ran great on stock turbo and injectors doing 515hp on 4.2. Now I can hardly take off without overfueling. I am trying everything I can think of. Right now I am trying Tnt level 5, TM 4, Timing 2, Rail 2, WG off. I will try Timing 1 tomorrow. I live at 7000'. I have lost all the low end power because of the overfueling. By the time boost builds and I can romp on it I am already going 25-30 mph. I used to be able to spin the tires really easy and now only with a power brake and tons of smoke. We are thinking maybe a 65/71/13ss would be better. Waste gate is set at 40 psi and I can maintain 40 at wot. Any Ideas would be great.

94ttss

Try putting the TM on 2. You should be able to control the smoke alot better.

Spooler

A 71 turbine will make it worse. Ask me how I know and I have stock sticks at sea level. At that altitude it is going to be tough to keep the smoke down. A twins setup with the stocker on top/ S400 on bottom will more than likely be your best beat.

CoolumConst

I will try the TM on 2. HTT thought maybe the the 71 wheel may help clear the smoke sooner. My stock turbo started leaking oil so that is why I upgraded. How much will the Stocker/S400 support.

omaharam

650ish. I don't agree with changing the TM. That's just going to make you have to give it more throttle to get it moving - making the problem worse. Your best bet is the twins. Other than that, you will find that 1/2 to 3/4 throttle starts will actually accelerate the truck faster than mashing it with your current set up.

CoolumConst

I was on Timing 1 which did help keep the smoke down under normal driving. But if you tried to take off hard under 25mph it would overfuel even with half throttle.

omaharam

On the TNT, the most timing is #2. That may help a little, but I would count on it. I went through the same thing you are and you can see that I ended up with the twins.

CoolumConst

One other thing, with the HTT turbo I am still seeing the same temps as with the stock turbo and injectors.

omaharam

How much boost are you seeing?

CoolumConst

It will hold 40psi on wot. Once it spools it screams. I was hoping to do twins with the 62/65/13ss. I have been working with MPI on this problem. I wanted to do the stocker/s400 before I found mine to be leaking oil.

Spooler

Shoot, you could of had that stocker rebuilt and still can. You are in the same delimea I am. Love the turbo and Smarty, hate the useless smoke. Decisions, decisions......... I have even thought about putting my stocker back on and saying the heck with it.

Spooler

How is the smoke/spoolup with your setup? How is the smoke towing..... That is when I can really role the coal trying to get going if I am in a hurry. If I don't get impatient it is not that bad.

homewrecker

I know what your sayin about the smoke when towing.When I pull myGN horse trailer and go thru towns I have to accellerate very slow so I don't black out the road.People are looking at me like that Dodge ain't got no power,look how slow he is getting up to speed,now if a Ford tries to show off pulling by me I just let the coal roll.Its very intimidating when you give them a face full of soot.

But anyways Spooler,I think you would have been better off with a 65 wheel and I am considering sending mine off to get the 65 wheel once I place my twin order from Nathan.

omaharam

Spool up is great. With Smarty on TM4 It gets my 31' double slide travel trailer moving immediately. Smoke is very controllable on take off even on higher settings because you don't need to floor it. If you floor it, it will smoke - but not like when I had a single. If I'm running just a 50hp tune or so with the injectors, I can pretty much floor it and it smokes some but not excessive blacking out the cars around.

Tacsavage

Turning TM to 2 will make a big difference in the amount of smoke. I turn it down just for towing my boat so I don't cover it in soot and still have no problem spooling my 64. Tac