Hi, I was wondering if it is possible to swap the V6 engine on my 2003 GS 300 and replace it with the 2003 GS 430 V8 engine? I don't know much about engine swapping but I thought that it might be relatively simple to do so because both engines are from the same year and stuff. If anyone has any advice or info as to wether it is possible, legal, or how much it might cost, I would really appreciate it. Thanks.

 

1. Use the search feature.
2. Inevitably, you'll buy a 430 instead.

 

GS300's have an I6, not a V6!

 

Boost the inline6 2JZ. It's what that engine was made for lol.
It will be faster than the V8

 

That's your best bet...!