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Timing belt breaks or chain jumped. one thing that will cause this problem is over reving the engine. To the poster who said over revving the engine; please explain. I wonder how race cars can turn 12,000 - 16,000 RPM's and not sink a valve if revving has anything to do with it. May be the timing belt breaks? ANOTHER ANSWEREither the timing chain or timing belt has "slipped" (most common) or the valve has been sticking or the engine has been operated at an excessive RPM resulting in valve "float". Valve float depends on the mass of the valve assembly and the strength of the return spring. Elaborate valve assemblies have been established for the purpose of preventing valve float.
What else can I help you with?
What is the top end of an engine?
intake manifold pistons heads crankshaft valve
Why does car turn over then stops like its jammed just had new timing belt?
If a new timing belt was installed but the valve timing does not correspond with the pistons ie: the valves opening as the pistons reaching top dead centre ,,then it will be jamming.. bending valves and possibly damaging pistons.. when fitting a new timing belt or chain you have to be very careful of cam/valve position in respect of the pistons
Where is the Leaking valve cover gasket?
im guessing someone has told you that you have a 'leaking valve cover gasket'. the valve cover is normally on the top of the engine,above the pistons, sometimes its where you put the oil into. The gasket is where the cover joins with the block.
What are the types of piston head?
The two main types of piston heads are flat top and dome top. Flat top pistons have a flat surface, while dome top pistons have a raised dome shape on the top surface. Other variations include dish top pistons and reverse dome pistons.
Will a 22r head fit a 20r engine?
no it will not the pistons are diffrent the 20r has domw pistons and the 22re has flat top pistons
Does your pistons have to be top dead center to change the heads?
No, you are going to turn the engine when you set valve lash anyway. It only helps to have no 1 at tdc if you are pulling distributor & is not needed for that.
Where do you find the bore on a 350 engine?
Typically if the motor has been bored the top of the replacement pistons will have it stamped on top of them. for example if bored 0.30 over this will be on the top of the pistons.
How do you put on the vaulve oil for trumpet?
First of all, make sure you put the right pistons in the right valves. The pistons (the part that moves up and down, and comes out) and the valves are labeled. The one closest to the mouthpiece is usually labeled as "1", the middle one as "2" and the last one as "3". Make sure the pistons are well oiled. Then put the piston in the valve. Twist the top of the piston (the button you push on) clockwise until it "clicks" into place. This will ensure that it's properly aligned. Then screw on the cap. If the valves "clicks" when you push it, then you didn't tighten the cap properly. Once you install all the pistons, try to play your trumpet to make sure they are aligned properly. If you find that you can't blow through the trumpet, check a couple of things. * Make sure you put the right pistons in the right valves * Make sure they're properly aligned by twisting the piston (twist the button clockwise).
Will a 22re cylinder head fit on a 22r block?
as long as they both have flat top pistons it will.. but if one is dome top pistons and the other is flat top then no it wont work
Will a 22R cylinder head fit on a 22RE block?
as long as they both have flat top pistons it will.. but if one is dome top pistons and the other is flat top then no it wont work
Are flat top pistons better then dome top pistons?
dome top piston is better than flat top piston. the higher the volume of dome the higher the compression they gave. hamiltonblanza(phil)
What is wrong when you have oil inside the spark plug guides on a 1996 Saturn?
There could mean that the rings on the pistons are worn. Oil on the top of the plugs means the valve cover, or tube seals have failed.
