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Tow Power Plus Turbos

17K views 95 replies 18 participants last post by  tree trimmer 
#1 ·
#60 ·
Since my comment s have been in the direction of it hard to believe what you read in the diesel world. I would like you to contact RCD and report back here on where they told you they get them.
 
#64 ·
I was not implying your comments on MPDs or RCDs nozzles was untrue. I ASSUMED each company made/contracted someone to make their own nozzles and that each one was a little different, but I haven't purchased aftermarket injectors yet so I haven't researched them enough yet to know. I don't work in this industry and I am not an expert. I use these threads as a tool to learn and help people when I do know something about a subject. You said something I had not heard before so I was simply trying to clarify exactly what you were saying.
 
#62 ·
Good thought, but if you sell chainsaws you will carry, lets say, a Stihl. The next shop will also carry a Stihl, you will sell them yours based on price and service. You will not be able to say that your chainsaw is better for some reason. This is what happens in the diesel world.
 
#71 ·
Yeah and killing my dreams that I could get more power out of just doing nozzles.
 
#75 ·
So Eric s truck made more power with nozzles and less pulse width. What did ithe miss?

We have spend days on the dyno tuning the pulling trucks. So lowering pulse width and you can't make any power, well the pulling trucks run way less then 2.0 pulse width. We had one truck that we ran 50% over injectors and a high pulse width. Then we changed the truck to 150% overs pulled the tuning back and made 100 more rwhp.
 
#76 ·
Jerry,
Sorry for all of the derails...if memory serves me right, you should be getting this build completed today or tomorrow. Any updates?
 
#77 ·
He is doing this over this weekend. So I think he was either starting tonight or tomorrow morning and hope to finish it Sunday or Monday, barring any issues.
 
#78 ·
Yesterday the cab went up and engine was disaccembled and cleaned up. We found several parts when taking the truck apart that were bad and need to be replaced. Serveral lifters were tight, main belt pulley tensioner was coming apart, bearings in one of the belt rollers were shot, and headgaskets were blown sky high. I will post up pics for anyone intrested in seeing what blown head gaskets look like as well. Every cylinder on the drivers side gasket was blown and two on the passenger side of the engine as well.

The bolt heater for the cab bolts is my new best friend with this build. Also it was way eaisier to just weld in the two front retainers for the front cab bolts that are common to spin when taking out the two bolts near the front bumper for the cab. You can easily get a wire feed welder in there and just put a good bead on the nut so it doesnt go anywhere.

One thing that was really cool is there was a rep from one of the larger companys in the industry that was there watching us and he now has a list of many things that they are going to try and make for the 6.4L now after seeing how everything works with these motors. Nice to have someone there to see things first hand and get ideas of how they can be made better or stronger.

So today, starting in about a half hour, the motor gos back together and we proceed on. Things are looking really good and all the bad parts we found yesterday will be getting new ones to take their place including all the rockers.

Pics and videos to come.
 
#80 ·
So my truck is all back together but I have yet to drive it in the last few days. I have been CRAZY sick with some kind of flu or something. Not fun at all!! Tommarow I will get the truck out for a ride and see what I think. Cant wait to get past this cold man.
 
#81 ·
Little update here guys on the truck. The last two days I have been sicker than a dog and have not even wanted to drive my truck. Stayed in bed literally almost all day for two days stright. This morning I woke up and felt much better than the previous days, so I fired out of bed and to the truck. Fired it up and went for a ride. First blew off the hot side intercooler boot,fixed that and next was the middle boot in the No limit intake setup. After I got those back together it was now raining here. Thats my luck.

I did take the truck out anyways and drove around in 4hi. The truck is very fun to drive now and has a much harder pull than before. Also when you roll into the throttle now at about 60 it comes on really hard and fast. I am running the Black Maxx at low fuel boost set a 1 and there is almost NO SMOKE. Love it!!!

Truck feels really strong and pulls like a freight train. I have yet to load up the HD300 and see what that feels like, but from what I am seeing with the Mild 250tune, I can bet that it is going to be awesome! Later today if the rain stops, I will load up the HD300 and go for a spin.

I have to get some miles on the truck here yet before I go beating on it just to make sure all the little things are all good and let the engine go through some heat cycles.

Love this setup so far.
 
#82 ·
Now have about 300 miles on the setup and it is AWESOME!! Very nice combo forsure. Boost comes on hard, fast, and smooth. Very little turbo lag at just about any speed. Also the truck runs VERY clean and I no longer need to worry about what is coming out of my tail pipe if I start hot rodding around the city. Dyno numbers coming soon.
 
#84 ·
I think the Max has been 68. Although I have a WG in the garage waiting to be installed, this build had influenced me to try an upgrade to the HP turbo before I install the WG. I hope to eventually need a WG (when I add fuel and bigger turbo's), but for now, I am going to try to hold off until I definitely need it.
 
#87 ·
With the setup that I have now, the wastegate will never open. It will be intresting to see if you do the high pressure turbo and not ported heads, what EBP's will be. I bet they are pretty darn close to what mine are. I think that if you did bigger nozzles like 85's or 110's you would need the gate forsure. 60's are just below the point of needing a gate at least with the setup that I have.
 
#88 ·
I know there are more factors than EBP that determines when a gate opens, but what do you have your WG set at (I realize you may not know since you haven't had a chance for it to open and I don't think you have had it on the dyno)?
 
#90 ·
I am thinking of running almost the same setup in the future, glad to hear it runs so clean. I can't wait to see what the dyno tells us.
 
#91 ·
That's what I like to hear
 
#92 ·
Haha you know it.
 
#93 ·
Not to derail, but I know it is recommended to have internals done to the motor with add ons, but is it really needed for a truck that does not tow, and gets driven as much as a 5000 miles per year at the most? Thanks, this is my list.
59/71 turbos
no limit cold air intake
cac pipe
egr delete
60 hp nozzles
airdog II 165
Spartan tunes
Is it really required to have pushrods, valve springs, ported intake, up pipes, and wastegate? thanks
 
#94 ·
for the price of pushrods, I'd at least do them. Not to mention valve springs really aren't that bad of an investment especially when adding more fuel/air/boost to the mix. Much cheaper than floating a valve. Up pipes and a ported intake really aren't needed, but they'll help feed the motor more air. If the cab is off, this is prime time to do all of your upgrades. The bellows and the bend in the stock up pipe tend to blow under high boost/heat conditions. The intake will help the back cylinders which really need it. The wastegate is debatable. If you do all the supporting mods (intake, egr delete, valve springs, pushrods, ported heads, up pipes, hp turbo) bigrig just showed that ebp's can be manageable. Without out those I would add a wastegate. It's always cheaper to add the supporting mods the first time rather than when something breaks. Also keep in mind when running 60Hp's or bigger you'll need a modded fuel system as well to maintain frp.
 
#95 ·
Depends how use it....if you are going to be sled pulling, at the track, a bunch of dynos then I would. I will be finding out this Spring. I have a WG in the garage but I am gonna try to hold off on installing it for now but I am going to do an upgrade to the HP turbo. I would think that since you are upgrading the HP turbo and not upgrading the HPFP system you probably could get away without the WG, valvetrain, ported intake. Up pipe failures seem to be hit and miss but I would probably at least do that since a failure usually means cab off. Of course you will need studs and like 925 said, you already have that sh#t off while you are in there so it is a great time to upgrade and if you don't do the valvetrain or a WG, you will need to monitor EBPs to make sure you don't float a valve. My guess is you wont quite hit 70 on EBPs which is my Max for a stock valvetrain (it will probably be close at WOT). Personally I like the idea of doing a WG before the valvetrain. Haller's opinion is that you don't get any extra HP by going higher than the low 60s on EBP and that should plenty safe for a stock valvetrain.
 
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