- Jan 21, 2007
- 109
- 0
76GMC1500 said:But, agressive cams eat the valves and springs.
yamarider88 said:this is off subject but did you know back in the day Detroit Diesel made a 2 stroke diesel engine that was turboed and supercharged and but used a 4 stroke type lubrication system. i wonder if they ever had to rebuild those things like crazy but i herd those things were beast and could pull a huge load.
DieselTech said:While that may have some truth to it, it would also contradict the fact that a Detroit Diesel (2-stroke) does not have that issue (even though it also has rings that ride in the port area and not against the cylinder wall). As a matter of fact, the part of the ring that rides against the cylinder wall would be the part that wears faster than the part of the ring that rides in the port area. So, maybe the real reason for the top-end replacement interval being so much more than a 4-T is related to the possibility of a broken ring due to the unworn part of the ring (that rides in the port area) catching the port edge and breaking, or causing the ring land of the piston to break. Another reason may be related to such things as 1) improper warm-up, 2) variables in pre-mix ratios, 3) or improper jetting (too lean) and overheating of the piston. Just my thoughts..........
Any experts care to elaborate?
whenfoxforks-ruled said:WHY I HATE USED BIKES. Vintage Bob
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