My Son's '86 4000 CSQ MC 034-EFI Turbo? oh the sound, a wonderful chirp noise on up shifts,the old dump valve cannot handle the volume of air! the acceleration rate? well only 300hp,, the intake temps? unbeleivably low!! how fuccking(a PG word) fast this car is now!!!,, SHEET!! CIS Sucks, 034-EFI Rocks!, best two large I have ever spent! Bill