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Great idea I love it. It is a well known fact that engines are likely to live twice as long with out a major internal mechanical failure and seals hold oil twice as long with a system to prelube the engine. Before the initial combustion when starting. I have seen it on farm trucks power boats, off road equipment, an every locomotive engine since 1930s but not a corvette
Great idea I love it. It is a well known fact that engines are likely to live twice as long with out a major internal mechanical failure and seals hold oil twice as long with a system to prelube the engine.
It is? How come most engines outlive the car they're installed in without such a system, and that the few that do fail are rarely from oil deprivation reasons.
Sounds like a complicated fix for a non-existent problem.............
Metal on metal wear is the leading cause of engine failure. Period cranks get worn out cams get worn out piston rings rods ect. All these parts have oil gallows to keep them cool and reduce friction. Start up and cold starts it can take a minute or more for all components to get a protective layer of oil on them. At (for arguments sake) an average car cold idle of 900rpm that is 900 revs of metal on metal every time the engine starts dry. Even if your oil pressure gauge reads 40 at start up that doesn't mean that the entire engine has received 40psi constant oil yet. The cold oil is not yet doing itsful intended job right off the line. Is everyone in Canada a blazing lack of knowledge or are you just a great acception mike? Lmfao
Every single engine built by g.e and GM heavy industrial application have a Pre lube system and post lube system lubeing the engine before starts and after all run cycle. If the prelube pump is inop and not maintaine these engines have no warranty and at $500,000 a piece these 4500H.P. engines that I work on every day would be useless as far as longevity and invesent returns with out their prelube oil pumps
Last edited by jesse10886; Apr 8, 2012 at 02:12 AM.
... All these parts have oil gallows to keep them cool and reduce friction.
What's an oil 'gallows'- could you point them out to me on an SBC or BBC?
Originally Posted by jesse10886
.........Even if your oil pressure gauge reads 40 at start up that doesn't mean that the entire engine has received 40psi constant oil yet. .
Ummm, ya it does. The oil pressure pickup point is pretty much at the far end of the system away from the pump so if the gauge is seeing 40 psi it means everything upstream has got it too.
Originally Posted by jesse10886
Is everyone in Canada a blazing lack of knowledge or are you just a great acception mike? Lmfao
If nothing else, we do know how to spell and construct a sentence using correct grammar and punctuation. We also avoid using stereotypes with a geographical location as a reference. As a former colleague once said 'everyone who stereotypes is an idiot'
BTW- you avoided answering my question. Where are all the SBC and BBC engines that failed from lack of lubrication? I've been looking for 40+ years and have yet to see any real problem with them that needs fixing. Quoting the characteristics of some engine that you work on as a relevant reference doesn't really impress me. The fleet of engines that I was responsible for over several decades put out far more horsepower, cost far more money, had no pre-oiling systems and are known to be the most dependable engines ever made.
But this info has nothing to do with the OPs question either, just like yours.
I just did a cam change. I took my old distrib. Cut the cam gear off, and used it with a drill to prime the engine before start up.
Using an old distributor works great. Also, as a way to get the pump to start pumping quickly when you spin it, pack it full of Vaseline before you install it.