I almost toast my bottom 2cyln on a v4 cuz both jets gunked up the same time & I was revin it up on the other 2 thinking they will eventually all start firing.
This is explained best from a forum on iboats. On a loop charged motor, the intake ports are aimed so the incoming fuel charge is directed to the top of the cylinder, swirls (loops) and pushes the exhaust out the other side. In addition, at the last instant exhaust tuning shoves any new fuel back into the cylinder. The pistons are flat topped and much lighter for less recriprocating mass or wasted energy. They are generally capable of withstanding higher RPM. All modern chainsaws are loopers.
I was wondering if you happen to have a part number or link for that fuel pump?
I almost toast my bottom 2cyln on a v4 cuz both jets gunked up the same time & I was revin it up on the other 2 thinking they will eventually all start firing.
man not good
What's a Looper?
This is explained best from a forum on iboats. On a loop charged motor, the intake ports are aimed so the incoming fuel charge is directed to the top of the cylinder, swirls (loops) and pushes the exhaust out the other side. In addition, at the last instant exhaust tuning shoves any new fuel back into the cylinder. The pistons are flat topped and much lighter for less recriprocating mass or wasted energy. They are generally capable of withstanding higher RPM. All modern chainsaws are loopers.