Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke engine build ... Adding the intake and exhaust ...

The key distinction between a conventional 4-stroke engine and a 6-stroke design lies ... that the crankshaft operates ...

starts with the piston at the top of the cylinder (TDC) and the intake valve open to admit air and fuel. At bottom-dead-center (BDC) the inlet valve is closed and the compression stroke (b) starts.

Lack of Clearance for an LT2 Stroke! LT2 engines aren’t just a minor variation of the LT1 engine. To make the LT2 ... team really wanted to go with a 4.125-inch bore and 4.00 stroke like the ...

The donor-350 engine block didn't have to be perfect. In fact, without boring the 350's 4.00-inch cylinders 0.030 ... of the 400 SBC with its 3.75-inch stroke replacing the stock 350 crank with ...