Quote:
Originally Posted by kennyfrc
There is no defense for the S54 rod bearing issues, it is what it is. The S65 is having problems with rod bearings as well.
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Yes the rod bearings are a weak point. If you don't want that, and still want a NA engine, buy a m54 or n52. but then you have to settle with around 250hp. Thats the deal and... thats what you get at the competition as well...
If you look at the performace figures in 2001 (the year the s54 was introduced) and you want +100hp/litre, you'd have to buy a ferrari 360 (in which case you'd have to bring a lot of money and you'd be down 3 timing belts and a clutch after 30k miles, with a lot more costs of course), or a honda s2000, but that has only a 2 litre engine and also has oil issues.
Revving an undersquare engine at 8000rpm causes huge strain on the bearings and risks oil cavitation in the bearings (at least that's what I think is happening with the s54)
So you can say 'it is what it is' but it's still the best.
If you want great reliablility.... buy a diesel.....