girl mark wrote:
> The early (oil crisis response) atrocious GM diesel failures
> (which are probably responsible for why AMericans don't drive diesel cars)
> were essentially a gasoline 350 with a diesel head.
This is not so. The 5.7 liter Olds diesel was a new engine from the ground
up. It shared external dimensions with other V-8 GM engines, but NONE of the
internal parts are interchangeable.
> They aren't around
> anymore... for a good reason. the block, crankshaft, etc, just couldn';t
> take the extreme conditions that a diesel block is built heavy for...
It has a bad reputation, some of which is deserved, some of which isn't.
That engine was had the misfortune of being the first of its kind, and the
engineers didn't get everything right--particularly the head bolts. It also
suffered from poor quality fuel and lack of understanding on the part of the
driving public on how to care for a diesel engine.
People who took proper care of them (and never let them overheat) derived
good service from that engine. Once abused, however, the problems seemed to
magnify. Check out the following link:
http://members.tripod.com/~A350Diesel/newmain.html
The rest of your information is essentially correct.
>
> Besides this issue, you'd really need a whole new head with a proper
> prechamber, etc, and a diesel head and cylinder faces is machined just to
> achieve the proper fuel injection spray pattern and the proper behavior of
> the gases once they start to ignite. It's not at all the same as a gasoline
> head and pistons.
>
> Mark
>
robert luis rabello
"The Edge of Justice"
Adventure for Your Mind
http://www.1stbooks.com/bookview/9782
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