[StretchASU]

For those of us that track/auto-x or plan to do that in these cars. Thanks for keeping this thread so updated with info. The accusump/oil cooler was one of the first things I started thinking of when I got the car because I have seen a number of LS's succumb to oil starvation issues albeit in off road stuff where odd angles cause oil starvation, but G forces can do the same thing.

I am with you on the positioning of the cooler. In every build I have done in the past with aftermarket coolers for either steering or oil I have never seen any adverse affects of downward facing inlets. Here is the catch...once it is bled properly. Sometimes getting it bled can be a hurdle. Something to think about and what I know has helped me in the past would be pre-filling the cooler and lines, connecting them and then getting the cooler into place. This may result in a little more slack in the lines than you may want depending on where you fill it, but there is usually a way around it as long as you get some rubber tubing and clamp it onto a funnel. Just have to get creative.

Looking forward to seeing the problem solving with the shorty headers. This is what has held me up from getting LT's because I would rather sacrifice a few HP than deal with oiling issues later on.

 

[StretchASU]

Here is one more option for us to run the accumulator back into the block without having to tee into any existing lines or have to run more lines down around the headers where it is already cramped. I stumbled across this going back through some stuff from my 4x4 days and remembered Will ran an Accusump and oil cooler setup on his Ultra4 buggy that has performed very well over the years.

Copied this from the forum.
There are a couple different ways to plumb the accumulator and a couple different thoughts on which is the best. Many plumb in right above the oil filter with a custom made fitting. If you’re running an oil cooler you can plumb it into the return line using a T fitting and use a check valve for priority directional flow to the bearings. The last option (and the option we choose to use) is to plumb it directly into the oil galley right after the pump. This option utilizes a simple (and cheap!) fitting directly to the block so you still have your port above your oil filter to run a cooler or oil pressure sensor. The idea being that when the accumulator purges it will send pressure to the bearings but also send pressure back to the pump to re-prime it as soon as possible and get engine oil back flowing.

We offer one simple fitting to get the hose into the block and it comes with a sealing crush washer.

Here's a pic of his engine and the fitting.

http://rightsideperformance.com/i-11381400-ls1-oil-accumulator-oil-galley-fitting.html

Just a little sample of what this is in: