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YOUR RESEARCHIs it possible to prime our engines?
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Install 20 years
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Suggestion
On engine start-up, when the valve on the oil side is opened, the pressurised oil is released into the engine and thus pre-lubricates the engine prior to start-up, limiting wear often caused in this scenario."
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Suggestion
I still use an electric priming pump on my '73 911.
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Suggestion
On engine start-up, when the valve on the oil side is opened, the pressurised oil is released into the engine and thus pre-lubricates the engine prior to start-up, limiting wear often caused in this scenario."
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Is it possible to make a setup that will prime our engines with oil before we start the car?
If the most wear and tear or friction occurs upon start up I am surprised manufactures have not developed a solution for all engines. On the flip side I suppose manufactures want to see engines blow up after the warranty has expired.
Has anyone done this to a M96 or any engine for that matter.
Im hoping this brings out the engineers.
A dry sump with an electric oil pump. Almost no "standard" production cars have this setup. It adds production cost to the car. Most manufacturers want you to toss your car after two to five years and buy a new one. They have almost no interest in building a car that will last more than 10 years. In addition, most of the buying public has no idea what a dry sump is and they wouldn't want to make the additional $50 a month payment to have one included.
I don't think there is enough room in the 996 engine compartment to add the hardware. I guess you could place it in the back seat area. I don't know how adaptable the M96 would be. I am sure it could be done.
You would assume incorrectly.
"At the time when the engine is switched off, the Accucumps valve is closed (or closes if using electric valve) and any oil pressure within the Accusump is held there. On engine start-up, when the valve on the oil side is opened, the pressurised oil is released into the engine and thus pre-lubricates the engine prior to start-up, limiting wear often caused in this scenario."
https://www.merlinmotorsport.co.uk/p...-they-work-281
Kit here:
https://lnengineering.com/products/m...ersal-kit.html
I found some interesting ideas on the web. I might persue this at some point. Right now I am just scratching the surface. This could be a very productive thread for those interested.
Here is one link so far:
http://www.masterlube.net/home.htm
Looks like a slick setup. Reading the details though, you have to install a manual or electric valve that can be closed to seal the oil in the actuator prior to shutting down the engine. The valve has to be reopened just before startup (less than 15 seconds or so). It looks like the electric valve option that is wired to the ignition switch would be the way to go.
The LN/Bilt version includes the electric switch.
" The Electric Pressure Control Valve we use is for a discharge/refill of 35-40 PSI. These valves have the convenience of an electric valve for remote mounted units on daily drivers but with the rapid refill rate of a manual valve as required in racing. The E.P.C. valving will only allow the Accusump to discharge oil when the engine’s oil pressure drops below a predetermined level and only refill when the pressure rises above that level.
The Bilt Racing HPDE Accusump kit is easy to install, requiring plumbing of only a single oil line. Our universal Accusump kit has everything you need to carry out a custom Accusump installation in your Boxster, Cayman, or 911, sans wiring or electrical pieces and includes:"
You can probably find a million other ways to do it, but this is proven and readily available. Just add money. A lot cheaper than a blown engine.
They haven't developed it because there isn't really a problem. Manufacturers don't want to see engines blow up after the warranty either. That's bad press even though the warranty expired. But just like anything with moving parts, sooner of later they all break. I don't think cold start oil starvation is a problem for these engines. Accusumps are good to have for race conditions where the pick up tube can get exposed.
I still use an electric priming pump on my '73 911. It's been installed for 20 years.
It's designed and marketed for heavy trucks. Internally the design consists of two brass gears, similar to most auto oil pumps.
It's a little noisey but it gets you to 20 psi right away and it's cool to see that on the gauge before starting.
It's bolted to the back of the rear seats, in the engine compartment. It pulls from the engine sump plate and pressurizes a fitting on the engine mounted thermostat.
There is a one-way flap valve in the circuit so the engine oil pump doesn't drive the electric pump backwards.
Funny the flap valve was made by Lear aircraft. Got during a hangar clean-out.
This is a source reference. Confirm exact model applicability in the original material.
