6-cyl folks - oil line check valve Options

[Optimusglen]

I'm in the process of installing my 6 and have come to the oil lines. My entire setup is planned as AN-12, and I see options for AN12 one-way check valves from a number of retailers.

One example: https://www.jegs.com/i/JEGS/555/150024/1000...KEaAnyVEALw_wcB

I have seen the threads on here and on Pelican about the Rothsport valve, but the price and the lack of AN fittings have drawn me away from it.

Is there some other reason that someone should fork out 300 for the Rothsport unit?

[jd74914]

Not a /6 guy, so giving my unsolicited opinion here, but as someone who has spent my entire adult life designing fluid systems, there is no way I would ever put a check valve (or anything really) between the tank and pump inlet. I know people say this is 100% failure proof, but in my experience that just means no one has had a failure yet. While smoking on startup isn't too cool, oil starving an engine is worse.

[ClayPerrine]

Not a /6 guy, so giving my unsolicited opinion here, but as someone who has spent my entire adult life designing fluid systems, there is no way I would ever put a check valve (or anything really) between the tank and pump inlet. I know people say this is 100% failure proof, but in my experience that just means no one has had a failure yet. While smoking on startup isn't too cool, oil starving an engine is worse.

I tried the check valve on the 4.0. Never could get oil pressure. Gutted the valve, and the oil pressure was back. I verified it was not installed backwards.

I may be a minority here, but it didn't work for me. Rothsport was very helpful in trying to diagnose it, but in the end I decided the smoking at startup after sitting a while was a small price to pay to insure it was getting oil pressure.

I did not ask for a refund from Rothsport. They are an honest parts vendor, and they believe in their product. I would buy from them again, just not one of the check valves.

Clay

[mb911]

Not a /6 guy, so giving my unsolicited opinion here, but as someone who has spent my entire adult life designing fluid systems, there is no way I would ever put a check valve (or anything really) between the tank and pump inlet. I know people say this is 100% failure proof, but in my experience that just means no one has had a failure yet. While smoking on startup isn't too cool, oil starving an engine is worse.

I tried the check valve on the 4.0. Never could get oil pressure. Gutted the valve, and the oil pressure was back. I verified it was not installed backwards.

I may be a minority here, but it didn't work for me. Rothsport was very helpful in trying to diagnose it, but in the end I decided the smoking at startup after sitting a while was a small price to pay to insure it was getting oil pressure.

I did not ask for a refund from Rothsport. They are an honest parts vendor, and they believe in their product. I would buy from them again, just not one of the check valves.

Clay

That is a very good reason for me to live with it should I ever get a bit of drain into the case.