If the original motor is gone! The next best option, "In My Opinion" is a close time frame built motor, out of a like car. That having the correct casting numbers, and engine suffix,for that time frame. Essentially the same car ,built around the same time frame. The vin number will never match, but this is close as you can get with out commiting fraud! (Remember ,these motors were never installed in sequence with relation to vin's)......DON