Hellion's latest activity

When it dies, immediately check for spark at the plug, try to drain the fuel bowl. If liquid comes out, catch it in a clear glass jar...

Could be any number of things. You need: Spark Compression Fuel All at the right Timing Are you running without an air filter because...

In 2013 I purchased all the parts to build a GX390, and they've been sitting in a box ever since. Im working on four other projects at...

Spent the last three days getting the dyno ready and the engine mounted. Still have a few things to do before testing.

Learning as I go with lots of books for reference. Picking up tons of info on boat design. A lifetime could be spent studying propeller...

Got some new parts for it. Really trying to get the ratios correct between the ports, valve seats and valves. This head will be a...

Messing with the new welder I spent a lot of time on another head straightening out the ports and welding up the squish band. Had to cut...

Still going on this pushing it as much as i can, but progress is slow and hard won. Added a tach.

Sorry for the late reply I was camping this last week. I didn't make the gears from scratch. I found gears that were the correct size...

Just about complete. I tested for spark by giving it a few pulls with no results so I thought to hook up a battery. Gave it another...

Finally able to make some progress. The top cooling shroud was raised too far off the cooling fins for my liking, and it partially...

Been getting whooped by another project I got going on. Literally digging dirt and rocks by hand for six days straight nine hours a day...

The shrouds ducting design on these only works so good especially when running a smaller flywheel. One way to get these flywheels...

Kinda strange how things work out sometimes. Ive always had to use a friends tig welder which limits my time and experience with them...

It may not look pretty because the type of material these heads are made out of, but its quite solid. If theres a chance something would...