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  1. 1994-1997 Power Stroke Technical Info
    Howdy, all. I'm planning on putting an "overdrive" pulley on my plain-Jane alt -- changing from the factory 69mm to a 49mm. According to my math, this should bring my idle alt shaft RPM up to a more useful level, and stop lights dimming from AC kickon and whatnot (especially once I install my...
  2. 1994-1997 Power Stroke Technical Info
    What is the diameter of the factory crank pulley? The listings I've found on O'Reilly, Summit, etc having different numbers (7.5,7,6.5) despite not claiming to be under/overdrive parts. O'Reilly and Autozone only show "overall diameter" which is NOT the pulley surface. I verified this at least...
  3. [7.3L - Aftermarket & Performance]
    I have an Early 99 f350 7.3. I started it one day and had a squeaking noise (sounded like a pulley bearing) so I removed and inspected the belt. I also turned and felt the Idler and tension pulleys. They were not terrible but had a little roughness to them. I ordered an after-market tensioner...
1-3 of 3 Results