Torqamp for Roadsters

[Bigtaku]

Has anyone been looking at these amazing electric turbos? https://torqamp.com/
I am fascinated with them. $2500 bucks each but very simple to install.
Here are a few youtube videos as well.



These guys are just having fun with this crappy car but what would two torqamps do on my SR20DE? Maybe just one to start with...

[C.Costine]

Might call for a little jetting work.

[Solex68]

When I was kid I built a similar contraption and I called it the "Electro-charger". I was ahead of my time in thought, but behind in technology.
Turbos were getting popular and I thought I could electro-charge my 2 liter SU roadster.

My electro-charger consister of a automotive heater blower motor with two outlets, which I piped into the SUs with some flexible tubing. I then placed a single dome filter on the entry. Kind of like this fan.

Electro-Charger.jpg

The idea was to have it turn on automatically but I never got that far when I realized in testing with a manual switch, that it help at low RPM but at high RPM, it was too restrictive and could not pass air fast enough.
Oh well. I'm glad someone else tried to it too.

[redroadster]

audi has engines with electric turbos , 48 volt ceramic impellers ...i read ,... not sure on psi , believe they have one thats part exhaust + elect
a only 4psi turbo less resrictive exh system would be my choice for a 10 to 1 compression engine

[Bigtaku]

My SR20DE has a 3 inch exhaust and a stock S14 ECU. The reason I didn't go with the SR20DET in the first place was I wanted Air Conditioning and up to this point no one has both turbo and air that I am aware of. I don't want to damage anything on my engine using this setup. I have read on SR20 sites that adding a turbo to a SR20DE may cause issues with the engine, but adding just one is not as powerful as a real turbo. It looks like I would have to get the car to a tuner to get the full power out of the Torqamp but that is something that I will probably need to do anyway. Bottom line is Torqamp is only worthwhile if you don't need to reinvent the wheel and change the whole setup. If nothing but more power is the result then this may work for me but, lucky for me I can't seem to get my car painted so this crazy idea is not an issue until I start putting Mothra back together. Hopefully by then more info will be available. On another note, I don't know where I would mount this if I did get one...

IMG_1382.jpg

[nismou20]

Any guesses on how this would work on a SU U20? I suppose first in order would be to build a pressurized airbox but what other induction mods? Curious.

[Gregs672000]

So funny, I too thought of an electric turbo back in about 1985 when building my engine, but realized there was no way to create enough boost with the technology available to me then. That thing is very interesting. Looks like with some refinement on boost onset, maybe a throttle positioning sensor, you could have a fairly seamless integration. With a TPS and an adjustable timing system (crank fired or 123 EI distributor), you might be able to run with turbo ready sidedrafts (Dellortos are easily modified) that are jetted to run rich enough on boost. Of course EFI would be best. Stock U20 or R16 compression might be OK, but certainly not on my HC motor. The Cobalt they used for testing is far more technologically advanced than our '60 era cars, already coming with computer controlled fuel and timing management, making it much easier to adapt. Without addressing those systems at the same time, you'll likely have a difficult road ahead to create a safe and reliable ride... not bolt on! The more modern engine swapped guys however may do well! Pretty cool.

[Gregs672000]

Any guesses on how this would work on a SU U20? I suppose first in order would be to build a pressurized airbox but what other induction mods? Curious.

To give you an idea of how important it would be to address fuel and timing, a friend in the know often talked about how those guys out there just "turning up the boost" on modern engines without addressing the injectors ability to provide enough fuel were quickly blowing their motors up. SUs are a very inexact means of supplying fuel and would concern me a lot. Also, my recent time on the dyno really illustrated how important control over the ignition timing map is.