Originally Posted by sianotias
ok if your looking for more power for your frontier, there are several links on youtube that show the old hardbodies with small block chevy engines in them. with that being said the frontier has more room under the hood and so it should be easier. with that being said if you want more power find an LS motor and figure out how to drop it in. if they can squeeze one into a miata then it will fit in our trucks. hope that helps, only try it if you have the skills, tools, know how, and the time, money, patience, and another daily driver.
That is false, the hood is longer, but the distance between the frame rails, fender to fender, and firewall to core support are the same on the D21 and D22. The reason it looks larger is because the grill and bumper on the Frontier is mounted further forward than on the Hardbody.
That being said, I have seen a picture of 1 WD21 Pathfinder with a "de" engine installed, and nothing under the hood was stock, and there was no free space either. The main limiting factor on our trucks is fitting exhaust between the inner fenderwell and head on a dual cam engine.
If you want to get max power out of a VG series, look at the S12 and 300Z sites. There are tons of hopups out there, but none of it is common or cheap. I know one guy in WA that makes custom intake manifolds to accept a 4 barrel carb (among many other parts), his stuff is made per order.