Recent content by 340dustr

  1. 3

    Engine RPM at Hiway speed

    Not sure of the exact tire size on the old car, but I know the tires were comparable to what is on the Duster now. If there is slippage, would it be in the trans or converter? Any way to eliminate one or the other?
  2. 3

    Rear leaf spring bushings

    Thx for the info
  3. 3

    Engine RPM at Hiway speed

    Tire size is 215/70/14. Height of tire is 25.25". Speedo gear is yellow-not sure of the teeth but I used the charts corresponding tire size to gear ratio to select the pinion. Trans shifts up to 3rd gear.
  4. 3

    Rear leaf spring bushings

    Hey all, Can leaf spring bushings be bought separately, or do you have to buy new springs? My rear bushings at the rear of the leaves are shot. Any info greatly appreciated. Car is 70 Duster 340
  5. 3

    Engine RPM at Hiway speed

    Hey all, I have a 70 Duster 340 auto with 3.23 rear sure grip. At 60mph, the tach reads 3500 rpm. This seems high to me as I used to have a Dart w/340 and 904 auto and 3.23 sure grip and it would rev at 2800 rpm at 60mph. Could the 3rd gear ratios in the trans be that much different between the...
  6. 3

    8 3/4 axle identification

    Thx for the info. Ordered a National seal today
  7. 3

    8 3/4 axle identification

    Hey there, My car is a 1970 Duster 340 auto with 8 3/4 diff. I need to replace the pinion seal and the parts guy at the local parts store says there are 2 seals available depending on wether the diff case is a 489 or 741. I checked my case and it is a 742. What seal do I use? Any ideas?
  8. 3

    Fan clutch for 70 Duster 340

    Does anyone know what style of fan clutch came stock on a 70 Duster 340 no a/c? Was it thermal or torque drive(non-thermal)? I suspect it was a non-thermal style but want to know if this is true before trying to locate one.
  9. 3

    70 duster 340 ft calipers

    Did all 340 Dusters come with manual ft disc brakes in 1970 as standard equipment?
  10. 3

    70 duster 340 ft calipers

    Would '73 & up have the big bolt pattern wheels? Would rotors be the same as '70 ones?
  11. 3

    70 duster 340 ft calipers

    Do all 340 Dusters use KH 4 piston ft calipers? My 70 340 Duster has single piston calipers-they appear to be original. Any thoughts?
  12. 3

    tach not working

    Car has Mopar electronic ignition w orange box. Tach was rebuilt and supposedly tested just before installing cluster. if you disconnect tach wire at coil eng will start & run. Traced tach wire from coil to gauge and didn't see any issues(shorts). Do you know where the tach red wire at gauge...
  13. 3

    tach not working

    Question: My car 1970 Duster 340. A while ago the engine would not start-no spark and after much investigation, removing the tach feed wire from the neg side of the ign coil, the engine would start & run. Fast forward to now-after getting the instrument cluster rebuilt incl tach the engine still...
  14. 3

    speedometer cluster in KPH

    contact mr heaterbox who may have what you are looking for. They are near Ottawa. call 613 532 2587
  15. 3

    fluctuating speedo

    Took my gauge cluster out and spun the speedo with a drill-the needle still bounced around like it did when in the car. Guess ill need to see about another speedo
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