4 cylinders 16 valves.
No. These are totally different engine families.
Magnetec 10w-40 should be the best oil
Yes get either a premade swap harness or take a sr harness and try doing it yourself.
Yes, it should bolt straight in, the loom might need some modifications depending on what model you have.
no it is not
27mm
No, it has a chain All Nissan sr20's have cam chains. if you keep up good servicing this part should last the life of the engine.
rb25dett its the skyline engine the sr20 is a little cheaper if your going to spend the money go rb 25 and get much more performance and alot less people have that engine in there swapped 240s so it makes it unique.
buy a Nissan sr20 2.0 litre turbo charged engine
the venerable SR20 and its variations (SR20DE, SR20DET, etc). I believe federal law mandates that a newer engine be placed into a chassis - ie, you can get a 1999 engine for your 1998, but not a 1993.
both are rear wheel drive so technically im sure it can be done. with extensive fabrication and electrical work just do an sr20 or ca18 swap its much easyer