Regular.
Magic Gas!
Yes you can but, you have to use the flywheel off of the 2002 engine on the 1998 engine other than that you just have to hook up the wiring harness off the 2002 onto the 98.
5w30
5w30
5w30
any name brand 5w30
You remove the cap and pour it into the coolant bottle.
it needs to be primed. that's when you put some in the fuel filter so it can travel in the lines
maybe you have air in your system, there should be a place where it can be bleed.
Mopar ATF+4
Down the transmission dipstick tube.
No. The 1997 computer system is completely different than the 1999 system.