That is referred to as "back dating" and it is illegal at the federal level.
Yes it should. cavalier/corsica 90-95; most parts will be interchangeable.
No they do not have the same motor.
No, the manual transmission from a 2004 Cobalt will not fit a 2004 Cavalier. The two vehicles have different drivetrains and mounting points for the transmission, so they are not interchangeable. It is best to find a transmission specifically designed for your Cavalier.
as long as the transmissions are the same yes but there may be a wiring difference as well as cv joint size difference
Yes
yes the 3800 v6 fit fit in a Chevy cavalier 95 and up
they should interchange check all the electric hook ups on the transmission to make sure the match some of the newer ones are computer controled but 95 should not have this. NO, The trany mount is different
no
yep its the same size engine bay as long as you got motor and transmission ur good
if its the same speed yes it should since the are both in the same generation. both the 98 and 01 have the same 3 and 4 speed trans.
yes