my frame to ground measurement is about 22"
With the Harbor Freight tranny jack (the $80 version) and tranny ontop, it sneaks by. Bell housing attached.
Might measure it just to see.
you'll be able to jack one side after it's dropped to get it out if you need to.

Todd

1986 Pickup extracab longbed "Woody edition"
SAS - 33's, 5.29's, lockright rear.

02 IS300 SportCross - my "DD"
94 2wd v6 extracab
04 Outback Wagon- wife's/family car