technically it should bolt up but the computer wont recognize the tranny because the wiring is diferent.
700r4
on the transmission tailshaft housing
Yes it will.
Is this an automatic transmission?
Any size SBC engine will fit and is compatible with a 91 Firebird. A 350 engine is the most common that is used for installing in a 91 Firebird.
700r4
Sell '91 Metro manual. Purchase '91 Metro automatic. You'll be less than $500 out of pocket which is a lot less than a serviceable automatic will cost.
yes it will i just had an automatic engine installed in my manuel car. and used the old harness
with bolts and tighten
if you're looking to replace your automatic with manual the only option is the 91-94 Mazda Navajo's manual.
Remove the dipstick from the automatic transmission dipstick tube and read it. It will tell you what type of ATF to use.
On a 1991 Ford Explorer : The A4LD automatic transmission uses MERCON automatic transmission fluid according to my Haynes Ford Explorer repair manual * the type of fluid used should be engraved into the automatic transmission fluid level dipstick