what is the best motor for my 90 dx without having to do mods or barely any because i have found a B18C Type-R Engine and would like to drop it in if possible if not what are my choices to do without motor mount mods and things in that nature

 

Without modding anything at all? Don't think you're going to find anything.

Very little modification? Probably the ZC.

B18C or K20 would be my pick if it were my own car.

 

o/p what do you mean mods? you can buy everything you need to run that motor... motor mounts, shift linkage, cable to hydro converter, axles, dpfi-mpfi and obd0-obd1 conversion harness's. if you don't want to spend all that money, well you're stuck with obd0 d series...

 

go with a d16a6

it will fit and give you a bit more power and the money you save on mounts and linkage, etc you can use to boost the d16a6 its stock internals can handle it