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glang · 27-08-19, 05:55 PM

Also the valves are at an angle so the stems bend (luckily theyre very slim on modern engines) when hitting the pistons which takes a lot of the force out of the impact. I imagine there must have been some sort of mark on the piston top?

27-08-19, 05:55 PM	#8
glang Member Join Date: Oct 2007 Posts: 537	Re: I'm a numpty Also the valves are at an angle so the stems bend (luckily theyre very slim on modern engines) when hitting the pistons which takes a lot of the force out of the impact. I imagine there must have been some sort of mark on the piston top?