All the documentation you need is to goto a place like say http://carpoint.msn.com and show him the specs on a 91-94 SE-R and on a 91-96 G20 and show him they both come with the same engine , same HP, and same TQ then he will see that it doesnt matter and in fact they are the exact same engine. Daryl G 98 Sentra SE 15.0@91mph www.darylgregg.com