Valvomax Installed on the Toyota GR Supra MKV

I recently made a video talking about the Valvomax oil drain valve and a viewer left a comment asking if the Valvomax would work on the MKV Toyota Supras.

Well, I actually planned on doing an oil change on my Supra and knew that I was going to attempt an install of the Valvomax. In this post, I want to share with you guys some of the things that I noticed during the process.

First things first, for those who have no idea what I’m talking about and have no idea what the Valvomax is, I highly advise you to watch the dedicated video that I made on the topic. That’ll get you up to speed for this post. For those who aren’t going to do that, a quick summary would be that the Valvomax is a valve that lets you control the stream of oil that comes out during an oil change. By the way, this is definitely something that I can recommend after doing an oil change on the Supra because she is a splatterer. The way the oil drains on this car is just a bit wild and a bit messy. Being able to control the stream is just a bonus.

Particular to the MKV Supra, you will need the Valvomax in size M12-1.50. I will have the exact item linked in the below for those who are interested.

As far as installing this part, there are a few minor challenges that we have to address in order to get the job done.

The first challenge is the amount of space that we have to work with. For those unfamiliar with the MKV Supras, the entire bottom is pretty much covered by plates and shrouds. Even the oil drain plug has a plastic cover over it. This cover makes it difficult to install the Valvomax because the Valvomax is significantly bigger than the stock oil drain plug nut. The Valvomax adds about an inch and even a bit more when we have the cap attached.

On my initial install, I thought that there would be no way that the Valvomax with cap would fit under the cover so I just took the cap off. This worked perfectly as the drain plug cover was able to be reinstalled, no problem. I can actually see that there was still a small gap between the two surfaces.

So, the next question is whether or not the cap would also fit under there. Well, the plain answer is yes. The Valvomax will fit with the cap installed under the drain plug cover. Things are a bit tight and you have to push the cover in a bit but everything does fit. I ultimately opted to keep the cap installed because it keeps dirt and debris from getting in the valve and possibly cause some issues.

Ok, now that we know that the Valvomax will fit, we’ll have to face the challenge of actually getting it installed. With my other vehicles, I just used a 24mm combination wrench to tighten the Valvomax down with no issues. Again, there really is no working space in this region of the Supra so the combo wrench was out of the question. If you want, you can take all the plates under here off, which can possibly make the install easier but I’m going to tell you flat out that that’s a waste of time. After some trial and error, I found that a 1” socket actually fits around the threads of the Valvomax and lets you get to the flat portions of the lug. There’s not too much space because there’s a raised lip around the drain opening but there was enough space for my socket to bite and properly tighten the Valvomax into place.

Now as far as torque specs, Toyota lists that the OEM drain plug should to be torqued to 18 ft-lbs but Valvomax has no specifications for their product. Their official website just says to snug it down so take that as you will.

To sum things up, yes the Valvomax can be installed on the A90 Supras relatively easily if you know what you’re doing. Hopefully, this post has given you all the information that you need to get the install done.


If you're considering buying any of the products mentioned, please support my work by using the links below.

Valvomax M12-1.50 (for Supra) https://amzn.to/32s857r

Valvomax (other sizes) https://amzn.to/3sbWkw5

Torin Big Red Jack Stands https://amzn.to/3uNACjN

Oil Drain Pan https://amzn.to/3e4psjQ


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