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  • Users: 67DART340
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  1. 6

    8 3/4 differential swap issues...

    I have a 67 Dart 340, 4 speed with a transplanted 72 engine, 4 speed overdrive, and differential. The differential pumpkin is a 1820657, a C body diff (58-64) with 3.58:1 (yes, I said 3.58) gears, an open rear (non-sure grip). Wanting to put a sure grip, I bought a 489 pumpkin with 3.55:1 gears...
  2. 6

    How many CFM for my 340?

    My 67 Dart 340 4 speed is going to get carb replacement. The car has a 6 pack style air scoop on the hood that's got a 16" round cut out for my 14" K&N air filter. Right now the air cleaner is pushed up into air comming in by 2 spacers of about 3" to 4" above the carb. I have a 650 CFM Edelbrock...
  3. 6

    Front End Problems

    My 67 Dart was modified before I bought it. The front end steering is unstable, wandering all over the road, with the front end rising and dropping. The car was originally a 6 cylinder car. It now has a 340 motor. It also now has 4 on 4.5" studded brakes on all fours with 11" discs in the front...
  4. 6

    67 Dart brake change

    I have a 67 Dart. The car was originally from L.A. and came with a slant 6. It now has a 340/4speed with 5 on 4 1/2" right hand thread studs on all 4 wheels. The front now has disc brakes and the rear has 10" X 2" drums on an 8 3/4 rear. The brake pedal sometimes goes to the floor when pumped. I...
  5. 6

    Old style Sure Grip (1964)

    I have an 8 3/4 rear in my 67 Dart. The rear is an older pumpkin type 1820657, open rear. If I put the old style Sure Grip, the Dana Power-Lok (# 2881487) from 1964 a clutch type in that pumpkin, is that going to fit? OR will there be issues with axle lengths and or thrust block widths? I'm not...
  6. 6

    8 3/4 rear casting 1820657

    My 67 Dart 340 hybrid has 8 3/4 rear, type 1820657 (58-64). It acts like a non-Sure Grip (wheels don't spin in the same direction when off the ground). The gear ratio on these units is stamped into the case toward the back, on the opposite side of the casting numbers. The numbers stamped appear...
  7. 6

    Mo power for my Mopar 340...

    After investgating my new 67 Dart 340 4 speed, I found that I have a 340 built after april of 1972, which would make it a low compression 8.5:1 motor with a cast crank (it has a damper for a cast crank). It has 3418915 heads with 1.88"/1.60" valves, a 600 CFM Edelbrock carb, and headers with...
  8. 6

    Getting to know my rear end...

    I Just bought a 67 Dart 340 4 speed.. It was stated to have a "posi" 8-3/4 rear... I tried to do a burn out to check the dual traction rear with no noticable 2 tire burn marks, due in part to the type tires and the cold weather... Next step I put the car up on 4 jack stands to check the car out...
  9. 6

    New A Body Guy...

    This is a great web forum... I've asked for some help with my 67 yellow Dart post car with a 340 4 speed that I just bought... And I got a lot of info and help... Thanks... Well, about me... I'm a Mopar guy from back in the day, when I would get high performance parts from the junk yard...
  10. 6

    What it is?...

    I just purchased my first A Body Mopar... It's a yellow '67 Dart 170, 2 door sedan (post car which had a 225-6 column shift) and bench seat... It now has, as I was told a '71 Barracuda 340, 4 speed, on the floor, and an 8-3/4 rear... And the motor was rebuilt with 9.5:1 compression... The...
  11. 6

    Where is reverse?...

    I just purchased my first A Body Mopar... It's a yellow '67 Dart 170, 2 door sedan (post car which had a 225-6 column shift) and bench seat... It now has, as I was told a '71 Barracuda 340, 4 speed, on the floor, and an 8-3/4 rear... The black shift knob has no pattern on it, and the shifter is...
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