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Combustion chamber volume and pushrod lengths on Evo engine

13K views 8 replies 6 participants last post by  old goat  
Pushrod length

So what is the stock length? I can find the length listed anywhere. I bought
a project engine with the rods not installed. I put the two long ones that
I got with the engine in the exhaust. The rear cylinder exhaust valve won't
completely close. The front cylinder is fine. I can't figure it out??