Still under construction. The video was just a sound clip while I was testing out the belt grip. This is a ZF5 truck so the goal is good street-ability and clear up low end smoke. I may loose a little on the fuel efficiency side but I am fine with that compromise.
Eaton M122 off of a GT500. The blower barely has any miles on it as the owner swapped up to a TVS. If all works well I may latter swap to the GT500 whipple upgrade. For now the M122 will feed a FMIC and then stock turbo. I will be upgrading stuff as I go.
Any pics? What size upper/lower pulley are you running with it? Could port the blower to squeeze a little more out of it instead of a spending 4k+ on a whipple.
This interests me, but I addmittedly know very little about superchargers. Did it have to be modified to fit? It couldn't just be a direct bolt on................?
I will take pics next time I work on the truck the blower is off to do more work on the mounting plate. I am running the stock blower pulley off of the serpentine belt.
Yes the blower will feed the turbo. I would like to pulley the Eaton to make 1-2 lbs at idle and no more than 10 ish lbs discharge. Once the turbo spools it should help unload the blower. Most Eaton blowers start to loose efficiency beyond 10 or so lbs of boost and really start robbing hp to drive the blower. The blower is not there as the primary charger just to help off idle response and clean up the smoke. That is if it works out.
It will not blow out the turbo inlet as the blower will be blowing into the inlet. The discharge from the blower will go out the bottom of the Eaton into a discharge pipe and into a fmic. Then up and fed to the turbo. Later I would plan to change it so that the intercooler will be after the turbo and have thought about air to water intercooling. There's no need for more pictures as that is far as I am. I will start building the discharge tube this week. That will be mild steel and I need to go get some argon for the welder.
Do you have any kind of a bypass in place so that when the rpm are high enough the airflow can bypass the supercharger? I'm thinking that at higher rpm the supercharger can become more of a restriction than a help.
That being said I love what you are doing. Nice to see some people trying new things, keep up the good work!
I may need a bypass but that can be added later. The M122 is a sizeable blower that may be able to keep the turbo fed. Since I am just running stock oil and injectors for now I will build it as is and add a bypass if it is needed. I bought a 6.0 intercooler it is on its way. I can also pulley the blower for more air if need be. I will start with the factory pulley as see where that puts it.
Very interesting. I would think the turbo should feed the blower. The blower is linear, more RPM, more boost. Where the turbo is more a function of the volume of exhaust, which may not be linear with RPM.
Most likely 2 stroke diesels. Need the blower to be directly coupled to the intake for proper intake charge and exhaust scavenging as there is no real value created to such the intake charge in. Will not work without it. Two stroke gas engines use the varying volume in the crank case to do this (act as a pump). I would think the turbo just increases the volumetric efficiency.
One more video as I was trying to get an idea of how much sound the blower will make under 2k where this engine spends most of its time. The discharge out the bottom is not yet plumbed. I did get my 6.0 intercooler and ordered a longer 136" gatorback belt needed. Supercharged powerstroke - YouTube
I like this thread. Pretty much exactly what I was planning later on with my truck. Should work really good. from what I have figured the eaton m122 flows about the same cfm as the stock turbo. and can be found cheap. about $300 with low miles on them.
My idea is to run duals however. twin supers feeding twin turbos. Each bank will be independent.
I paid 400 for mine with barely any miles as the owner upgraded to a TVS. If I needed more air they have bolt on whipples for the GT500 from 2.6L to 4.5L. The 4.0 whipple flows over 2500 cfm.
I put the blower on after relocating the alternator. Took it for a drive just freewheeling the blower and shredded a belt. Well got my new belt and found the issue. I had lined the alternator up the best i could but it didn't like the alignment. It was pulling the belt over the lip of the PS pump pulley. Luckily I had two ribs still hanging on to make it over to Autozone. Installed the new belt and realigned the alternator in their parking lot. The belt is now happy and I drove around town with no other issuez. I did find what I have been looking for. Still had been struggling with how I wanted to build the blower discharge as there is only 2" clearance between the 4" discharge hole on the bottom of the mounting plate and the valve cover. I bought a 1" thick 4x4" Carb spacer that is perfect with a little milling and welding. Need to get the bottle filled Monday and start mounting the Intercooler. Just waiting on my silicone couplers to arrive and need to order smaller blower pulleys.
I don't know how it will feel yet. The blower was just blowing into the atmosphere. I was just testing the belt alignment and AC compressor as it has less wrap with the new belt path. Everything is working so far. I pulled the blower off this morning and got started on the discharge manifold. Found a timing cover that is going to work with some slight modification. Then I will need to install the intercooler and build charge pipes.
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