So Bob, even if I had your Big Valve Engine Option III, you would still keep
70 mph as your maximum sustained speed. And if a rod is distorted can you
replace individual rods? Sorry for my mechanical ignorance, I'm learning
though. Finally bought a Bently. I'm interested in your big valve option,
but I'm gonna have to make some money. Whats the turn around and
installation price if I were in your neighborhood?

>From: Robert Donalds <bostneng@FCL-US.NET>

>Mark
>
>the 2.1 engines with over 130k miles have issues with the big end of the
>rod distorting and throwing rods one of the symtoms is low oil pressure at
>warm idle. http://www.bostonengine.com/articles/low-oil-pressure.htm doing
>80 with an older 2.1 is not recomended I would say that 70 is the max
>sustained speed for a van engine. That is 4000 RPM its about the same std
>and auto trany.The WBX engines I have taken apart over the years have some
>comon problems exhaust valve seats that are pounded is one I think to much
>sustained RPM is one reason for this.
>
>Bob
>
>Mark wrote
>  I was driving down Interstate 5 heading due south, going about 80 mph,
>saw
>a gas station, decided to exit when at that moment the buzzer went on.
>Water
>temperature wasn't higher than the top of the led itself. I turned the
>engine off, and coasted down the road, into the denny's parking lot next to
>the gas station. Let it cool, let my mind run wild. Added more than half of
>a bottle of gunk. Wasn't low on any fluids. After a few hours, I started,
>it
>ran, and I drove 60/65 mph all the way to Riverside. No problems since
>then.
>Thinking is, oil got hot which made it thin out which caused the oil
>pressure to drop. It wasn't that hot that day. Is this just a day in the
>life, or is it an omen?

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