Thanks in advance for your help guys, so my stock 3.8l in my 84 cutlass spun a bearing so i got a rebuilt 3.8 only thing is its from an 85 cutlass and oil pan has 20 bolts instead of 14 my question is besides that everything else is pretty much the same right. i look up the casting numbers and it said that engin fit 84-85 here the casting number any info would be a huge help 25524140
