The age of your vehicle - Most autos have engine bays and mounting blocks in pretty specific positions, according to their age and design. Make sure that you choose a motor that could slot in a vehicle within your age, and much more importantly, if you have a Toyota MR2, https://donovancwrlf.mpeblog.com/49477492/how-nissan-rb26-engine-for-sale-can-save-you-time-stress-and-money