Engine/Transmission (1998.5 - 2002) Supercharged

[DCreed]

Just thought you guys might want to see this. Its an MP90 from a mustang the turbo is an 80mm Y2K ballbearing from Turbonetics. The system uses the blower for low end (5psi available @ idle!) and the big turbo for top-end and flow. When the turbo makes boost, it pushes the blower's internal bypass valve open and blows through it, lessening the parasitic effect on the top-end.

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[DCreed]

YouTube - supercharger idling vid. mov

 

[SRadke]

Piers did that many years ago on a 12 valve. It worked but ultimately showed no advantage over staged turbochargers and was far more complicated.

 

[DCreed]

I found this to be much EASIER than twins and it DOES have a great advantage for towing as it boosts from idle. I feel if piers had had mounted it like mine and used the intercooler, it may have worked better for them.

 

[grimesja]

What is the cost for a setup like that$$

 

[DCreed]

Cost was under $1k for the fresh rebuilt MP90, and I built the rest.

 

[DCreed]

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[grimesja]

Brother, you have way to much money... lol How does the sueprcharger compare to the triple turbos you had on the last video? I don't have that kind of budget but I do want to have more kick. I only have a 62 mm turbo from diesel auto power, edge juice/w attitude and 100 hp edge nozzles.

 

[kelly4463]

Carl, Its looks sweet, Your work it top notch !!!! My twins you built are killer thank you agan!!!!!!!!

 

[DCreed]

Glad to hear kelly!

grim- to different animals. SC adds brutal instant power down low, the trips pulled stupid hard up top, both are wonderful in the mid range.
I have a LOT of tuning left to do with the blower and Ppump yet...

 

[grimesja]

Sounds like the SC would be great for off-road, mud bogging kind of stuff. I am considering swapping to the Ppump conversion because I have gone through several VP-44s (I discoverd the local shop was just doing poor quality rebuilds and would not honor their warranty). I have been running a midwest rebuild or over a year with no problems. I am also wanting to go back to Biodiesel and the Ppump is a better fit for that. However, my concern (from what I have read) about Ppumping is the codes in the PCM and ECM, plus the CEL remains on. Are these concerns valid? Where is you shop located?

 

[DCreed]

Im up in north eastern CT.
If you have OBDII smog testing, a ppump conversion is an automatic fail. The ECM no longer sees the truck as having a pump and doesnt think its actually running, but thinks the key is on and the motor is spinning like you are in gear going down a hill.
I didnt think of that but yes, the SC would be fantastic for the 4 & 6bt conversions in rock crawlers!

PS- anyone who wants to make a few bucks: make a plug-in module to fool the ECM into thinking the VP is still there!

 

[grimesja]

I live in Florida and we do not have any type of inspections here. Most of the Ppumped trucks here are sled pullers, not many run them as daily drivers. I am concerned about CEL and codes.

P. S. If I had an spare ECM, I have a couple good electrical engineers that would proablly come up with a solution, but to make it marketable... that is the challenge.

 

[DCreed]

I live in Florida and we do not have any type of inspections here. Most of the Ppumped trucks here are sled pullers, not many run them as daily drivers. I am concerned about CEL and codes.

P. S. If I had an spare ECM, I have a couple good electrical engineers that would proablly come up with a solution, but to make it marketable... that is the challenge.

I took the bulb out. it makes NO difference in how the truck operates. The ECMs only job now is to run the gauges/charging system.



Unless you plan to build big power, run over 4000RPMs or alt fuels, the VP works fine (as long as you have a good one and its fed well) and lasts about 150k mikes.

 

[DCreed]

YOUtube with no music:

YouTube - supercharged cummins burnout. mov

 

[grimesja]

I am really wanting to go back to bio-diesel or WVO. The truck ran great on WVO but the VP-44 realy doesn't like it. Also, I don't see heating the fuel as an option because of the electronics on the VP-44.

Trust me, I would love to BOMB the truck more, but mods are expensive and I cannot write them off as an expense. Everything appears to have a minimum $450+ price tag which gets the wife a little anixious.

I plan on keeping the truck for awhile, as long as it is affordable to drive and maintain.

 

[Vaughn MacKenzie]

Very nice DCreed, this has my curiosity! What are you using for the turbo's "internal bypass valve"? Where does the turbo's discharge pipe go, feeds the supercharger correct (trying to picture airflow path). I assume the supercharger is contributing boost at all times since it doesn't disengage, so to speak?

 

[grimesja]

Good Morning DCreed, I was sharing your video and pics with some of the guys down here in Florida. We seem to think that the setup yo have might be awesome for most of what we do here. City driving, about 75 -80 on the highway, and a little off-roading in the sand or mud pits. Most are not set up for crawling and this is Florida. Most of the crawling here is man-made. Did you keep a stock drive belt and what are the two breather caps on the valve cover connected to? We know your truck is over the top in mods. If we were to attempt the same mod, I think we would have to look at the big picture, injectors, studs, gauges, etc...

 

[DCreed]

Fixed the first post. The set up runs like twins with the SC being the smaller turbo, the main differences in construction are that the SC has no negative affect on exhaust flow to the primary, and no external oiling/cooling to plug in.
The SC has its own belt, the factory belt is undisturbed. Also if you are using a belt driven lift pump or fluidampr or other crank driven accessory, the SC belt being driven off the fan hub should not interfere.
The SC is pushing boost until 2500RPMs when the turbo makes more boost than it does and pushes the SCs bypass open. when this occurs, the SC (having equal pressure on both sides of the rotors) freewheels, greatly reducing any parasitic losses.
Vaughn- I am still experimenting with when/if the bypass should open. I may add a throttle reference to open the bypass @ idle and under 1/4 throttle for mileage but, on a diesel, I'm not sure its needed.
grim- I would love to see what this would do on a lightly modded truck! IMO, it would really help a smaller injector burn lean and get the most HP and MPGs from it.
I have a LOT more tuning to do with these. I turned my timing back up this weekend and it definitely improved performance. I still need to adjust my AFC ( I had a soft spring in for the big single) I have NO plate and starwheel was loose. I hope to have a vid soon with nearly no smoke except from the tires. Just the timing cut smoke in half!
The breathers simply run to the drivers wheel well. I dont think I need them anymore as I only see about 45psi now. They were needed when I had compounds pushing up to 95psi on the same fuel.

 

[grimesja]

Where did you come up with the fan hub that will allow you to use two belts? I wonder how the SC would word with 300HP marine injectors...