That jack is supposed to support on the bottom and one edge going by the design. Don't think I've ever used one this jack is for around 2015+ models. That adapter looks interesting but do you want to be the one that is beta testing it?

 

Why do you say the Lexus scissor jack supports on the bottom and one edge? What edge? By bottom I assume you mean shoulder and not bottom of pinch weld.

What adapter would you suggest I can't find anything that fits the exact configuration of this car's geometry. I'm not thrilled using something from ebay without a real part number but it looks exactly correct for this application. I thought the exact same thing about "Beta tester". The issue is that the polyurethane material in the ebay adapter supports the car without deforming. I wish it were made out of solid steel like the factory jack.

The alternate is to use the adapter shown by Denzlex but in my case I would jack up with a floor jack under front or rear of car and lower the car onto a jack stand at the pinch weld using the Denzlex adapter. This would prevent or at least mitigate folding the pinch weld since there is no lateral force.

The rubber panels under the car make it really hard to get a jack stand under the sub frame and I prefer to use factory intended supports anyway.

 

Wider and taller part goes on the inside, right? I've posted this elsewhere I am not a fan of floor jacks I think they are dangerous they like to suddenly roll. That adapter does look nice seems to be contoured just for your car.

 

Yes, the wider and taller part of the adapter goes on inside, where I point to the CAULK in this picture. I would only use the floor jack at the factory intended areas near the front radiator or under trunk to raise the car.

I like the adapter I found but I hate that it says "sample" in the picture.

 

I guess too much seam sealer is better than too little. Looks like the excess dripped.

 

What a mess under there! Somebody or some machine went nuts.

 

I have four (4) of these beautiful annodized aluminium pinch weld adaptors from P2M.
They work beautifully with my four (4) aluminium jack stands and aluminium hydraulic jack.
FRAME RAIL JACK ADAPTERS (phase2motortrend.com)

 

As long as you jack on a level surface and chock the wheels, the car shouldn’t move.

 

Can someone tell me why my quotation marks turn to squares??

 

It can still move laterally which is the direction of the jack wheels.
Try a different device or browser.

 

Of course, I understand the jack will creep as the car is raised. That’s normal operation. I suspect this is not what you were referring to when you stated “…floor jacks…are dangerous they like to suddenly roll.” That’s why I said jacking on a level surface with chocked wheels will keep the car from moving (suddenly rolling). Would you agree?

 

Are you saying the floor jack can move laterally and the problem is it can bend the pinch weld?

 

This adapter looks like a good possibility. I'm glad you showed the floor jack and stand it works well with. Those look like tools to be proud of!
Once again the only concern is the pinch weld is being supported on the bottom, which is not what Lexus intended according to how the scissor jack was designed.

What model car and year is it being used on?

 

There can be tension on the jack, and sometime later it suddenly moves this has happened to me. It didn't move much and wasn't a problem at the time but it made me think.

It would explain all the bent rockers I see, or something else is happening? Either way I no longer use floor jacks I use the supplied jack then use secondary support usually via subframe. BTW when a shop raises your car on a lift most often they are supporting the entire car only contacting the very bottom of the rocker panel.

 

This is a 4GS, but the pinch welds are the same as 7ES.
The P2M adapters pinch/support the sides of the pinch welds and the base of the box section above, hence zero damage to the pinch welds.