Lister Engines > Listeroid Engines

The GM90 Listeroid Variant

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veggie:
For those who have heard of the GM90 Listeroid but don't know what it is, here is some information.
It's basically a smaller version of the CS Lister.
It puts out the same HP but at higher speeds which are achieved by using an aluminum piston and direct injection.
Many of the GM90's came with the spoke-less "stover" type flywheels which were very well balanced for higher speeds.
They develop their advertised HP at 900 rpm.
Here is one running at that speed...
https://www.youtube.com/watch?v=IbpiYeCJbNs

I run my own GM90 at much lower speeds (like 550).  ;)

Sensitive Ind. (Satyajeet) GM90 page:
Here you can read the specifications and sizes available.
This site is obsolete but it does show the original advert.
http://web.archive.org/web/20080610093029/http://www.satyajeet.com/de2.htm

Topland Engines GM90 (Or "little giant") page:
Also known as the Mini Lister.
http://www.topland-india.com/products/engine/htm/engine_3.htm

Pictures: (Click on the picture to enlarge)
A cutaway of the GM90 engine.
A size comparison between a full sized Lister and the smaller GM90. (30% smaller)

Desiel:
Interesting, the cutaway shows a fully counter weighted  crankshaft.

veggie:

Yes, the crank has counterweights, and the flywheels do not have any offset weighting.

Tanman:
What are the biggest pros and cons of a CS vs a GM90?

Desiel:
Pros........ smaller footprint, lighter weight,  probably well balanced and solid stover flywheels, internal oil pump supplying oil.
Cons......... 900 RPM, direct injection does not like alternate fuels, harder to get parts because of the poor interchangeability with standard sized CS's.

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