Yes, they are direct bolt in
ratio = 3.23
The 0-60 time for a stock(455 CU-IN) 67 Firebird is 5.5 seconds No such thing as a stock 455 67 Firebird. 455 wasn't built until 1970.
Yes
I think you can find that out on googles Ilooked it up once
200 H.P. 225 lb/ft Torque
The 3.8 v-6 with a 5 speed manual tranny puts out around 210 stock
305 HP @ 5,200 rpm
On my 1991 Firebird 305 TBI the computer shuts down acceleration after 110 mph. I would assume it is probably the same for a 1994.
The fastest factory stock Pontiac ever built was the 2009 Pontiac G8 GXP 0-60 in 4.5 seconds and 1/4 mile in 12.65 seconds at 113.7 mph.
if it is a Pontiac engine it will take 5 quarts, 6 quarts with a filter change.
either 170hp or 200-230hp depending on transmission and exuast choices.
watch the rpms when you break stand the car