I bought a 90 Ranger XLT Ext cab 4X4 4.0L pushrod motor A4LD automatic (maybe - info on this site may say it is) that I really like (I also have a 2001 Ranger regular cab XL 2.3L that won't make enough vacuum to run the brakes (really fun to drive, so I don't) that, at 230,000 miles has 2500 rpm...