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  1. Triple Black 73

    Vibration with a '71 383 cast crank and neutral balance flywheel

    I have an unknown harmonic damper, a '71 383 cast crank (external balanced), and a neutral balance flywheel. The vibration is terrible. How do I fix it? Or better yet, can I fix it? I bought a Professional Products PowerForce harmonic damper from Mancini Racing that will be here in a few...
  2. Triple Black 73

    What is the driving experience of A-833 compared to TKO-600?

    The torque converter in my '73 Charger is bad. I'm thinking of replacing the 727 with a manual transmission. If we don't worry about cost, gears, or fit, and only focus on driving experience, how would you describe the experience of driving of a A-833 vs a TKO-600? I'm asking because I have...
  3. Triple Black 73

    Rattle in 727 transmission at idle, goes away when revved up.

    I have a rattle in the 727 transmission in my '73 Charger at idle. It seams to go away at around 850 rpm. I hear nothing while driving and the transmission shifts fine. The fluid color look and smell like the day I put it in. I'm not 100% sure the dip stick level is correct so would too much...
  4. Triple Black 73

    Does anyone have any experince with Dorman 742-300/742-301 power window motors?

    My 45 years old power window lift motors are slow and sound like they are about to die. I'm tired of people saying "Dude, what's up with your windows? Why are they so slow? And what's that terrible sound?" So, does anyone have experience with these motors? Are the faster and quieter than the...
  5. Triple Black 73

    Holley Sniper Coil Control gave up the ghost!

    The Holley Sniper EFI coil control broke today while I was out driving. I was only 8 miles from the house. I really wish I paid $80 for the Hagerty read side service instead of the $80 for the tow today! I didn't trust this thing anyways. A quick search online reveals I'm not the only one...
  6. Triple Black 73

    The Charger backfired and bucked all the way home. Ran fine this morning.

    Last night I drove from north Alabama to Atlanta, about 120 miles. The trip started out well enough. I did the normal stop for gas and a drink before hitting the road. The first sign of trouble was just after leaving town with a big backfire and partial cut out going up a big hill. Then lot...
  7. Triple Black 73

    Does anyone have the part number for the 727 speedometer o-ring?

    My o-ring is fubar and I needed one yesterday. They are all over online, I know, but I need one quick. Does anyone have a part number for the orange/red speedometer o-ring shown below? Thank you in advance!
  8. Triple Black 73

    I need a relay/fuse box; any suggestions?

    I need a relay/fuse box for my EFI project. I need 6 relays total: 2x for headlights, 2x for fans, 1 for the fuel pump, and 1 to grow on. Three relays are positive trigger and two are negative trigger. There are a 6 position relay boxes all over eBay and Amazon, but they look very cheap...
  9. Triple Black 73

    Upgrading wiring for EFI

    Santa bought me a Holley Sniper EFI for Christmas. To prepare for it, I'm upgrading the wiring. Tell me what you think. I think I'm over thinking. No, I know I'm over thinking it! Here's what I'm doing: Moved the coil to the firewall, running 12 volts to it via a harness with a relay with...
  10. Triple Black 73

    EFI gas sending unit for a '73 Charger?

    I'm done with the Charger running rich, running lean, and generally running like poop. So, I'm converting to a Holley Sniper EFI system. My question is the sending unit. I currently have a 7/16 unit with no return. I need a 3/8" with a return. Does anyone make an EFI sending unit with an...
  11. Triple Black 73

    Thermo-quad? Vibration at WOT underload, runs smooth when revving in neutral and on jack stands

    You guys have been great in the past and wonder if y'all can help me again. I got a issue at WOT underload. The engine revs up fast and smooth in neutral from idle all the way to red line. it's the same way on jack stands and in gear: fast and smooth. And I can hold it any RPM without a...
  12. Triple Black 73

    Prime the carb when the gas has evaporated? What do you guys do?

    All the gas in the carb evaporates away after my car sits for a few days. This requires turning the engine over for about 15 to 20 seconds before the engine will fire. After that it fires right away. Beside getting an electric fuel pump, is there anyway around this? If I decide to replace...
  13. Triple Black 73

    This black Charger is a hot box! What can I do?

    My black Charger look, runs, and drive great, but it's a dangum hot box in this Georgia summer heat! For example, the air temp was 85 degree on the drive home. I was soaked head to toes in sweat when I got like I ran 500 miles in a race car. The drive was only 30 miles at 70+ mph with both...
  14. Triple Black 73

    How the heck do I get my engine running right?

    So, I'm having a devil of a time trying find the happy timing for my engine. At 15 degrees of timing it idles good, but spitting and popping at WOT. And at 18 degrees, it surges at idle, a rocket ship at WOT but pings on the highway when going from 60 to 80 at part throttle. At 12 degrees it...
  15. Triple Black 73

    '73 Charger not charging

    I took the Charger out on Easter Sunday for the first time since November. It started to run really rough and the tach was jumping all over the place. So I pulled over and checked a few things. I found the battery had drained to 11.8 volts while the alternator was putting out 14.2v. I...
  16. Triple Black 73

    Screw size for ignition controller wiring harness

    I went to start the Charger today and it wouldn't start. A quick look under the hood revealed that the ignition harness fell off from the ignition controller. I do remember that there is a screw that holds the harness to the controller. I checked the spare parts bin for the screw but I must...
  17. Triple Black 73

    Ball joint in lower control arm; should I weld it?

    I found out the lower ball joint on my '73 Charger is loose in the control arm causing a popping noise. The joint is lose side to side but not up and down. It is the pressed in type. I'm guessing the hole was enlongated when we removed it. Question is, should I weld the joint in place or...
  18. Triple Black 73

    Any pics of 18" on 71-74 Charger?

    The saw blades are too '90ish, I want to run bigger brakes, and modern tires. I'm thinking of going with 255/40ZR18 (26") and 285/40ZR18 (27") in the rear. Not sure which wheels, but push the right to edge of the wheel opening. So, does anyone have pics of '71-74 Chargers with 18's?
  19. Triple Black 73

    Hydro Brake Booster score!

    On a previous thread I asked for help about weak brakes. You guys recommended getting a different brake master cylinder. Well, today I picked up a hydro brake booster on trade. Not sure who makes it or what model it is. It has the marking of "GL10" and "2798" on the booster. The ports are...
  20. Triple Black 73

    WTB Spreadbore dual plane intake - Mopar M1 DP, Edelbrock Performer, etc

    My 383 is falling on it face after 4k. The engine is bored 60 over, 452 heads, Compcam XE256 cam, 850 CFM ThermoQuad, and a lowpo 400 cast iron manifold. I want to buy an aftermarket spread bore dual plane (or a good street single plane) to help it flow more air. What do you have? I'm in...
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