GreenTwin's latest activity

The carburetor body and bowls were machined from 6061 aluminum. Construction began with the bowls. Teflon gaskets seal them to the carb...

Motorcycle cylinders can be cast in bound sand, but your method looks very promising, and you could cast any number of different types...

I had an early 60's Fiat 400 with the suicide doors that I got from the junk yard. Never got it running, but always wanted one that ran...

I used to rebuild and modify the air-cooled engines. I have the case align boring tool still. Nearly all machining can be done in a...

Starting at the bottom, making something that the other finished bits can be mounted on appeared to be a theme on the YouTube community...

I purchased a 1967 VW Beetle, just to have a car that I could actually work on and repair, with NO electronics. I got in a pinch and...

In the early 80's the world was evolving into fuel injection. My 1983 VW GTI had a mechanical air flow meter before the throttle body...

The float in carburetors is only to maintain a constant "head" of fuel (or pressure) so the only variable is the strength of vacuum from...

You don't actually need the classic taper in- taper out shape. The end of the gas inlet protruding into the air inlet will reduce the...

When I built my 302 V-8 engine I played around with several different designs and sizes of carburetors. What I settled on was, at the...

Here just as an example, the carburetor from the 103 years old Amanco Hired Man (hit & miss engine). Very simple, a check valve in the...

I love these backyard casting threads ! Patterns are looking great. Its pretty easy to cope-down (I think that is the correct term)...

I thought I would take a break from four stroke engines and build a hot air engine for a quiet change of pace. I had purchased the...

A few notes from the Baker 1912 catalog. Interesting to note that the engine could be configured to operate on either alchohol (larger...

One thing that the weedeater/chainsaw carburetors seem to have with is the omnidirectional run characteristics. Perhaps that is why they...