I recently purchased (what I was told to be a my 99) but after closer inspection the body number reads 8/98 . Now Im wanting to do the vf34 upgrade on this car. How do I MAKESURE it's a 98 engine in this car before I buy a aftermarket ecu to fit. What numbers am I checking ect? Also I read the 98 came out with forged pistons, will this engine (if it's a 98) be able to handle more boost than what I hoped for with the vf34 upgrade on the 99.