A block ring holds the engine firmly in the rocket tube. If not for this, the engine would go up the tube and the rocket would go on fire.
It is a ring that fits in the fuselage at the inner end of the engine . If this is not fitted, the engine can shoot up into the fuselage when ignited
You wrap tape or a cardboard ring around the engine mount until it fits tightly in the fuselage tube.
On the pistons, in the block. If they are bad, it's time for an engine rebuild.
There is no clearance of the ring to the block. The ring works in contact with the block to seal the combustion chamber and provide oil control.
yes there are 2 o-ring gaskets against the engine block where the oil filter housing attaches.
The ring gap on an 8 HP Briggs & Stratton engine typically ranges between 0.010 to 0.020 inches (0.25 to 0.51 mm) for the top compression ring. It's essential to check the manufacturer's specifications in the engine's service manual, as the exact gap can vary based on the engine model and intended application. Proper ring gap ensures effective sealing and optimal engine performance.
Information needed. What year, make, model, engine size are we working on?
Ring them up and shout BLOCK EGG
The most common cause of that is that there is an old O-RING stuck to the engine block where the oil filter goes. Take the filter off and make sure there is no gasket / O-ring stuck to the block. If you don't find your problem there, Then let us know and we'll try to help you.
The end ring gap for a new ring set in a Briggs and Stratton 10 hp engine typically ranges from 0.010 to 0.020 inches for the top ring and slightly larger for the second ring. It's essential to measure the gap accurately using a feeler gauge after installing the rings in the cylinder to ensure proper sealing and engine performance. Always refer to the specific service manual for the exact specifications, as they can vary by model.
follow your top radiator hose to the engine block. the hose will be attached to the thermostat housing. the housing is attached to the block with two bolts. remove the radiator hose from the housing, remove the two bolts, and gently separate the housing from the block. you will see the thermostat. The above answer is for a V6 engine. If your engine is a V8, follow the lower radiator hose toward the engine. The thermostat, housing & o-ring are one piece.
They all come with very detailed instructions, follow them carefully. Most important is gluing the fins absolutely parallel to the body. Also use a light glue like crazy glue, rather than white glue.