I mean the seats are worn out,if I remember correctly that problem is about valve recession
The engines are 2007 models,they are 65 liters quad turbo 16 cylinders with watercool intercooler. On 2017 all cylinder heads replaced with new...
[ATTACH] Do you mean number 7 and 14??
Maybe I am wrong about the material of the seats,the sure is that are the same material as the heads as they are machined on the head and they are...
The extra weight on a boat make chances to the speed of plane??
The engines are rated at 1450kw at 1500rpm.The heads had come complete with valves and springs,the seats are cast iron and they dissapeared...
Unfortunately I dont have egt or load instruments,the rated rpm are 2300,they can reach the 2300 but you see the temperature rise immediately.
The problem is that until now 50 heads of the 304 are failed,the 304 heads were precaution maintenance.
The yacht is a 1993 Canados 23 with 2 man d2842lze. The cruising speed of 20 is reached up with a 2000 rpm engine speed,total weight is 61.000...
The 304 heads replace due to maintenance chart 3D,not because damage, after that about 50 heads had failure.
Every part is bone stock,the cylinder heads 304 pcs changed from the official dealer for the maintenance sschedule 3D.The lash is 0.20mm...
I don't believe the seats have problem because they are machined from the factory and as I said before the heads are all changed with new from the...
Hi from Greece,this is my first post,I did not see threads for writing the first time. I have an cylinder head issue with mtu 16v 4000 series on...
