Re: Some details of the 2AZ-FE engine

Steve wrote:
> Leftie wrote:
> 
>>
>>    There are two problems with hydraulic lifters: they are more
>> expensive to build and, more to the point for us, they tend to fail
long
>> before the rest of the engine. Who wants to have to spend $1k on new
>> lifters on a car with 150k miles on it?
> 
> 
> They FAIL before the rest of the engine? Hardly. Ask any mechanic how 
> many hydraulic lifters or lash adjusters he's had to replace because the

> lifter or adjuster ITSELF was a root cause of a problem in the last 10 
> years and I'll bet you can count the average answer on 1 hand, and if 
> you probe further you'll find that those were typically in badly 
> neglected sludged-up engines.

    My engines were not "badly neglected". The motorcycle was given full 
synthetic oil. The two Mazda engines may have had poorly designed oil 
passages, but I've also heard from other people abut lifters failing. 
Think of all the "stuck lifter" stories out there, and you may realize 
that it isn't just bad maintainance causing it to happen.