Wager: 21 is "worse" for oil consumption because 0W20 has the consistency of fucking bath water, and 21s run higher average boost PSI, thus making it more likely that shitty thin oil will burn off.
But, sure, let's keep using that minimum-grade xW20 because Toyota "recommends it."
Bad? No. Better? Depends on what you want. If you want to stiffen things up and take some slop out of the driveline, then this is a cheap and cheerful way to do it.
It's not a "must do" mod like upgraded sway bars or a tune. It's situational and subtle.
Did you ever wake up one morning and think: "yes, I want my DD to be a raw and unforgiving experience, but I just love the sound of gears and clutch packs?"
Well... Do it.
That's the biggest takeaway, here. How sensitive are you to NVH? Everyone has different sensitivities and tolerances, and not all NVH is conveyed with the same "fit and finish" (as it were) .
Speaking for myself:
Rattling = ?
Squealing/squeaking = ?
Gear whine = âś…
Exhaust drone = Depends...
Notice: I purchased this item myself. I am not compensated for this review, nor have I been contacted or encouraged to give one. I post this as a Supra owner and a member of the buying public.
Product: Twisted Tuning MKV Supra/BMW Z4 Semi-Solid Upgraded Transmission Mounts -- the Kevlar +...
Update:
Spent the day working on some projects and was coming to this last. Turns out, there are no engine hoist loops anywhere on the block? I searched high and low and couldnt find anything. :( Who ships a motor without engine hoist rings?!
Seems not. :) I'm gonna try an engine bar to keep the motor in place, then I can safely unbolt the arms from the block (one side at a time). When the arm is free, I can lift the mount out if its cradle on the subframe. No jacking of the engine required.
YOLO.
Concerning this product.
My wife got me a set for Christmas (she is awesome), and I'm at a bit of a loss on actually getting the mount out to install the insert.
The Supra shop manual was not especially helpful as it only covers mount install/removal as a sub-step for a much larger job, like...
All hoods lighter than OE weight should run hood pins or aerocatch. Always. That is, unless you want the hood to turn into an aerofoil, catch lift, and suddenly smash into your windshield at highway speeds.