trying to change car rpk's so i can put diffrent engine in car so i looked up what you have to do and so on, got the app's needed followed all instruction witch were in Tutorials trying not to waste your guys time as you guys are gods busy sculpting beautiful works of art and helping the dumb like me but im really stuck and i would keep on tryin but this has me stumped, i get to the part were you enter; resdecode and name of rpk. but then it says rpak header error and fatel error decoded <rpkname.>failed.

well thats all i got sorry if this is a dumb question.

or any surgeons on how to go about puting engine's in other cars a easyer way by all means tell me off i just want a 2jz in a rx7 hahaha

wutt that doesn't belong in a rx7 i am tottaly against that. you will ruin the whole concept of the rx7.

well there are 2 options how to do it: 1 get slrr edito 2 hit the search button or look in the tutorial section

well if he want's it i am not stopping it. but i just don't like those engine swaps from different manufactures.
i just don't like it i think they ruin the concept of the car but that is my opinion

Can i ask where you are planning to get that 2JZ?

@ original poster: Just download SLRR Editor from the download section, as everyone has said. This will allow you to put any engine in any vehicle, easily (as long as you don't have Dave_69's 1JZ installed - this will break SLRR Editor).

As for having north-south I4s instead of east-west ones, you can fix that in the car's CFG file by going to the engine section and changing the "99"s in some places to "98". Note that this doesn't work for all I4 blocks (without modifying your engine scripts too).

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Reaper275 :
what about a RB26 Porsche?

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RB26 won't fit in a Porsche, it's the wrong shape and won't fit into the engine bay (unless one were to modify the chassis to make the engine bay extend into where the rear seats are, or unless you're talking about a 928 / 944)