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Most steering boxes are now variable ratio.
The diesel engine is on compression.
a diesel engine has generally compression ratio of 12-14 which means around 1000cent.temp is developed inside the engine cylinder.if natural gas is intaken then it will burn before the completion of compression stroke.no diesel fuel is required now
Well if you know the displacement, number of cylinders, and geometric compression ratio, you have everything you need to figure out the clearance volume. Compression Ratio = (Displacement + Clearance Volume)/(Clearance Volume) - rearranged gives: clearance volume = displacement/(comp. ratio -1). A reasonable assumption of compression ratio on a modern F1 engine is somewhere around 12-13.5:1, I would say. So assume 12.8:1 compression ratio. You also now that each cylinder displaces 2400cc/8 = 300cc. So, clearance volume = ( 300cc ) / ( 12.8 - 1) = 25.42cc That should get you in the ballpark anyway.
That's the first place I'd look if an engine had no compression.
The engine needs fuel, spark and compression. You are missing one of those.
Needs a new head gasket, and maybe heads and pistons.
The valves are rattling because they are not adjusted properly. Now if you are referring to what is commonly called pinging, that is another thing altogether. You just had the head machined. If you mean you had the head plained down, then that increased the compression ratio of the engine. You may have to move up to a higher octane fuel to stop the pinging.
I have been running mine on a 50:1 ratio for a few years now, and have never had a problem
Having low compression means there is something seriously wrong with the inside of the engine. This means it will have a short life from now on. How long it will last 1000km 25000 km? No one can tell
Remove all spark plugs. Turn the engine by hand until the #1 plug (front of engine driver's side) is at top dead center on the compression stroke. The rotor will now be pointing to the #1 plug location on the cap.Remove all spark plugs. Turn the engine by hand until the #1 plug (front of engine driver's side) is at top dead center on the compression stroke. The rotor will now be pointing to the #1 plug location on the cap.
Best thing to do, is change the gear ratio in the axle. Depending on what gear ratio you have now, go to a lower numerical axle ratio. For instance, if you have a 3.73 gear ratio now, try using a 3.55, or 3.23. You will be going faster, before the engine hits the chip.