yesyou can change just 1 you dont have to change both
no
yes
I think LS2 engines are bigger (6.0 Liter versus a 5.7 liter LS1). I would say its possible but maybe overkill.
Yes, they came stock. That's incorrect. the LS1 didn't come out until late 97 almost 98. The Buick Roadmaster came stock with a 5.7 litre 350 cu. in LT1 motor the option was the 5.0 litre 305 cu. in motor. The LS1 replaced the LT1 as the LS1 motor got better mileage and more horsepower. And the corvette was the first to get this motor. That's not to say that someone didn't put one in a wagon and swapped out the motor.
LT1 gen 2 to LS1 gen 3 no
yes you can but if you can put an ls1 why not put an LS2? get close to 500 horse power... if you can afford it
Yes it can. I put a 5.7 in a s-10 with a corvette intake. Hard work but I did it
If it is the LS1 why bother? If it is a V6 than you will have to mock up the motor mounts to the right place. You will also need a trans, driveshaft and modifications to the fuel system.
yes
Yes direct bolt on.
No
yes