Quote:
|
Originally Posted by jhernandez1566
Jadcock I am not familiar with the ka24e engine but you said the tensioner need pumping up is there an oil port that supplys this tensioner to pump up or no. One thing I miss is an oil pressure gauge. Compare to hondas the nissan oil pressure light takes a bit longer to disappear in start ups. But then again hondas don't need to supply oil to timing belts which is one less port for the oil to travel. I prefer chain vs belt hands down.
|
Well, like I said, I'm not 100% positive if the tensioner is run on hydraulic pressure. It would make sense that it is, just based on the symptoms (noisy chain for a few seconds at startup, due to the tensioner not "pumped up"). I agree that a tensioner supplemented by a spring would be better. But what's even better is a ratcheting tensioner, like what's used on my other car. The tensioner isn't driven by oil pressure I don't think -- I think it's just spring pressure. But it has a ratcheting mechanism, to take into account any chain stretch that might occur over the life of the car. Test mules go 300-400k miles without any timing chain wear. It'll outlast the engine.
I completely agree with you on the chain/belt issue. Belts are cheap and easy to engineer. Chains are more expensive to engineer, but won't break, and IF DONE RIGHT, will be completely silent in the field.
