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  1. Mattax

    '68 barracuda ignition switch power on issue

    https://www.forabodiesonly.com/mopar/threads/67-69-dart-ignition-switch-pinout.517192/post-1973902121 https://www.forabodiesonly.com/mopar/threads/why-do-68-69-dart-iginition-switches-have-different-ground-plug-ins.444243/post-1972648860 A-bodies don't have a use for a ground terminal. There...
  2. Mattax

    Initial timing

    "ping" or gurgle is most likely to be noticed when the engine is fully heat soaked. It is obviously not ideal but only under full load (upper gears, full or near full throttle, will it cause severe damage. 8 degrees at 550 rpm? or 8 degrees at 800 rpm? The rpm can make a big difference. For...
  3. Mattax

    Accelerator pedal laggy?

    As far as the distance from the throttle pedal to the floor, that looks about correct. IMO the carpet is also in the way and you can confirm that while adjusting the cable for no tension when off, to full throttle. if its in the way of full throttle, remove the carpet. Brake pedal to floor...
  4. Mattax

    Initial timing

    lemme add that if its a points distributor then it could be pre-smog, or it could be early CAP/CAS (smog) which had different specs nearly every year. Download a 1966 Plymouth FSM. The initial timing for a 225 should be set at slow idle, which should be 550 rpm with the headlights on. If...
  5. Mattax

    Slant 6 engine ignition timing stays retarded.

    Photo here, but he doesn't state what year. On the slants, the ballancer has a v-belt groove in it. That's what I didn't remember.
  6. Mattax

    Initial timing

    ^^^^What he said^^^^ List out what this car has and what you are trying to accomplish. There were some some small changes to the 225 in terms of cam and compression, which will slightly effect timing. But if the engine was rebuilt, then those small changes are probably out the window anyway...
  7. Mattax

    Slant 6 engine ignition timing stays retarded.

    The crankshaft pully is attached to a steel damper. The damper is steel with the outer portion (also steel) joined to the inner by a rubber ring.
  8. Mattax

    Slant 6 engine ignition timing stays retarded.

    Damper is the also called the harmonic balancer. That's the circular weight with the TDC mark on it.
  9. Mattax

    Slant 6 engine ignition timing stays retarded.

    Since this is a change, compare the new to the old. In particular the distance from the mounting stud to the pickup center. Can't tell you why there might be a difference but there's only a few parts that could change the signal relative to the rotor tip and cap.
  10. Mattax

    340 Running super weird

    Well then its actually a Chrysler distributor with a FBO plate. If its a MP distributor the original curve was pretty good but the timing at idle rpms may need tweaking for a hot cam. Based on the information now, such as not using vacuum advance, I don't think timing is the issues your...
  11. Mattax

    Seriously Need Help

    If you've looked over for visual damage (loose connections, melted wires, etc) and eliminated meachnaicals such the belt slipping as a possibility, then I'm going to suggest doing diagnostics by putting loads through the circuits. One more mechanical check. See if the alternator output stud is...
  12. Mattax

    Seriously Need Help

    13 Volts is probabaly showing surface charge. It depends how precise the measurement is. Immediately after charging a wet cell battery will show as much as 13.4 Volts but it doesn't represent the true charge state. Wait a few hours or flip on the lights for 30 seconds and the energy level will...
  13. Mattax

    How to Prevent Holley Carburetor Fuel Boiling

    I have and I've documented it. To be more accurate, it was the light end of the fuel mixture evaporating - not boiling like water or coolant does. When the light components vaporize in the bowl the boosters can be wet but the main characteristic is removing the air cleaner top makes it it go...
  14. Mattax

    Having fun with timing

    Too bad someone messed with it. The older Chrysler built DC and MP distributors came with very good curves in them for their specific purposes. Both could be tweaked by adjusted the spring perches but all this seems to have been a secret (or been forgotten) There should be a primary spring and a...
  15. Mattax

    Stop in for a cup of coffee

    similar but not the same as this one that was for sale on west of town https://www.forabodiesonly.com/mopar/threads/frostbite-rally-and-show-2019.449594/post-1972742652
  16. Mattax

    1967 Barracuda center console wiring

    He's missing the harness 8 outlind in pink
  17. Mattax

    Guns, Dogs and Blades QnA

    That's quite decent then. I bumped up to a mid-price spotting scope and it is fine for 0.3" holes in the black at 100 yards in most conditions, but expect it will be struggle at 200 and 300 yds. And I was hoping to also use it for bird watching occassionally but there some weird purple around...
  18. Mattax

    Guns, Dogs and Blades QnA

    I was going to post it over the weekend but didn't fit in with the conversation at that time. A class act - and I didn't find his post mortem request surprising having watched a fair number of his videos. Still sad but greatful for having had the opportunity he had to share his thoughts, tips...
  19. Mattax

    1967 Barracuda center console wiring

    So you have one but not the other? From console to the kick panel is 266 1142 The one from the kick panel that ties into the instrument panel wiring connectors is 285 7267 if the p/n number survives its printed on a white tape wrapped around the wires.
  20. Mattax

    Wire harness cloth loom

    Check with RI Wiring, the place in Texas and any others that specialize in wiring for antique cars & trucks. Maybe even Restroration Specialty Supply although wiring is not their focus. This stuff has sortof the cross woven look but its a split that rolls up creating an overlapping seam...
  21. Mattax

    1967 Barracuda center console wiring

    Someone took the connector off and placed the wires into positions F & H. I did something similar except with jumper wires. The reason I did it was that my 67 has a '78 727 so could use the combined neutral/back up switch when the disposable column pin for the column back up switch broke...
  22. Mattax

    Need some electrical help I’m clueless

    It will blink faster with more current. (wrong bulb or in this case probably a short in the wires to the corners that don't work. If it blew a 20 amp fuse, likely a short - assuming this is a later model with a fuse on the turn signal circuit.
  23. Mattax

    1967 Barracuda center console wiring

    'C' series is 67 Model Year 'D' series is 68 so does not apply.
  24. Mattax

    1967 Barracuda center console wiring

    The white and blue wires on the harness were probably configured during assembly for adaption to the location of the reverse light switch. I'm guessing if the switch was on the column, they got the plastic connector circled here. With a manual transmission mounted switch, they were plugged...
  25. Mattax

    1967 Barracuda center console wiring

    My car is a hard top (coupe) and started life as a column shift automatic. What configuration was car to begin with? it looks like there are three options with center console, with tach, without tach automatic, and not sure about the 4 speed possibilities. edit interesting. the assy drwgs show...
  26. Mattax

    1967 Barracuda center console wiring

    '67 has a console lamp connection is by the ash tray. Pigtail with connector for the back up lamps will be near the steering column The connector with blue and white wires . https://www.forabodiesonly.com/mopar/threads/console-wireing.450940/post-1972765262 This stuff is shown on the assembly...
  27. Mattax

    Turning key to "run" causes all power loss.

    Before going too far, track down the initial probem. I've not seen an AGM with a built in breaker. I can say from experience that they do not like high charging rates. They get hot and stay hot (because the liquid is captive in the matting) when charged at 20 amps or so for 15 minutes...
  28. Mattax

    (2)450 DP's vs (2)750 DP's

    Shrinker was taking the extreme examples (which unfortunately we've seen in some of the the 'new and improved' as well as occassionaly in older models) of too large an MAB or too many holes above fuel level. I assume the fuel levels are about here. You can check by marking with a pencil on th...
  29. Mattax

    (2)450 DP's vs (2)750 DP's

    I figured that :) I think Mark's 2x4bbl will be fine at 12.5 There is a lot going on there (at idle) that could be tested and trialed. My recollection (it could be wrong) was that 12" Hg in drive is pretty decent with the cam etc. On the other hand, I'd love to see less rpm drop. Anyway that's...
  30. Mattax

    (2)450 DP's vs (2)750 DP's

    Good point about the kill bleeds. Are there bleeds in the doglegs ?
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