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  1. Mattax

    Advance springs

    One day, when I'm really patient, that would be cool tool to make our of a cheap needle nose. Probably have to anneal the steel so it was a soft before trying to drill.
  2. Mattax

    Advance springs

    Here's a show and tell post https://www.forabodiesonly.com/mopar/threads/360-tune-up.435792/post-1972523041 and maybe this helps too. https://www.forabodiesonly.com/mopar/threads/total-timing-reading-accurate-with-no-load.451803/post-1972806078 There's other guys here that also are very...
  3. Mattax

    Advance springs

    With the clip out, the slot plate slide up and off the shaft. Wait, the clip in your photo? That's a royal pain. I don't have great tip to make it easier. Needle nose pliers and sometimes a very small screwdriver to slip between the shaft and the clip. If you want to adjust the timing from...
  4. Mattax

    Distributor Rebuild Question

    If you use the FBO plate with a correct 340 dual point for the purpose of increasing the initial timing, then you can, and should, bend the secondary spring perch out. The secondary spring loop should contact at approximately the same rpm as it does now. How it works is explained in another...
  5. Mattax

    Advance springs

    Yup. And if I knew before what the actual goal was, then you know what my suggestion would have been. That would have put more tension on the primary spring from the get go.
  6. Mattax

    Advance springs

    Don't ask me. I told you what the heavy spring was for.
  7. Mattax

    Crank no start

    Factory Service Manual has the diagrams. Trace or copy the circuits of interest. If you mean the horn contact in the steering wheel, IIRC there is a feed from the horn relay. It goes to the steering column connector and then to the horn switch. When the switch is pushed, the wire is grounded...
  8. Mattax

    Stop in for a cup of coffee

    I'm not a hot weather person and have to say bonus for cool evenings is that I can continue cooking roasts and making soup. A. Yum B. Leftovers mean no prep dinners for a few days.
  9. Mattax

    Stop in for a cup of coffee

    I should have asked in your thread. Are the rims all the same width and offset? I ask because I've found used slots sets can actually be two pairs, with slightly wider and deeper setback for the rear.
  10. Mattax

    Stop in for a cup of coffee

    Mine was often interested in treats at the local pet store, but I quickly learned they were only interesting when at the pet store. My take was that it was more about interacting with the people than the treats. Watching her sniff the shelves and baskets and not steal was a clue that the...
  11. Mattax

    Stop in for a cup of coffee

    Sure is. Used to be cheap to buy the jet selection kit, no more. Looks like a better box than I got (from mopar performance?) Those came in two clear boxes but the plastic doesn't like something in the gasoline.
  12. Mattax

    Lean idle. Rich cruise.

    it's possible to shorten the slot itselfs Note that secondary side are usually higher up but not always. This guy went on a journey from greenhorn to a carby smarty. :) https://www.tapatalk.com/groups/racingfuelsystems/transfer-slot-lengths-t1285.html#p11866...
  13. Mattax

    Stop in for a cup of coffee

    Is the rubber injected into the mold under pressure or more like casting ?
  14. Mattax

    Should I be feeling more power?

    Lets start at the top and work back. Post some photos of the engine and engine bay. We'll follow the fuel line back from the carburetor to the - well we'll see. We'll see other things too with the engine bay pictures. Like how the throttle to tranmission linkage was set up. Changes to...
  15. Mattax

    Should I be feeling more power?

    Sounds good. Air cleaner off we'll see more.
  16. Mattax

    Should I be feeling more power?

    We need to see how it was setup. A carburetor doesn't care how the fuel is supplied. it can be supplied by gravity for all it cares. I don't beleive a thing the salesman has texted. Not that he's a liar. He just doesn't know. Say you remove the electric pump and then discover the mechanical...
  17. Mattax

    Stop in for a cup of coffee

    Too cloudy to seehave a chance of seeing aurora last couple nights That's pretty awsome!
  18. Mattax

    Should I be feeling more power?

    Since it runs, I would not jump on making any changes right away. Here's why. I tell you to go put a Performer RPM on and your mechanic buys a Performer at retail price, charges his add on, and then his time to install it. Now you've spent a bunch of money and its not even the intake that some...
  19. Mattax

    Lean idle. Rich cruise.

    The "economizer" system accomplishes almost the same thing as a t-slot restrictor, but is not a transistion slot restrictor. It is arguably (and I think practically too) a more effective system because of how it works.
  20. Mattax

    Lean idle. Rich cruise.

    Its big because that is just meant to be a passageway, not a restriction. The outer passage goes to the idle port and is restricted by the needle valves (idle mix screws). The inner passage goes to the transfer slot and is restricted by the slot width, depth, and amount exposed to manifold...
  21. Mattax

    Should I be feeling more power?

    That the old 284/284 duration cam for a RB block. But you have a 340? There are several versions of the distributor used by MP. Timing light, timing tape and tach will be needed to find out what timing curve looks like. Search here for a how to do this. There's various Holley carbs with...
  22. Mattax

    Should I be feeling more power?

    What is meant normally be a "tune up" - spark plugs, cap and rotor, set points, etc. and set timing and idle fuel mix. It wouldn't hurt to change the oil and just check everything (spark plugs, air filter, cap, etc ) at 2000 miles. Looking at the condition of these items will provide some...
  23. Mattax

    Advance springs

    I should have mentioned another important factor in the spring force is the length, although I think you already figured that out. The amount the primary spring has to be extended to get installed is what creates the force holding the weight from moving outward. I may have some more pictures...
  24. Mattax

    Advance springs

    Good news. That's heavy spring is not stretched out. That loop is there on purpose. it causes the advance to slow down around 1600 rpm. That and the slight angle on the plate is all part controlling the curve. The small diameter spring maybe getting a bit stretched and this will effect when...
  25. Mattax

    1984 Ram Crank No Start

    It's not odd. Take a look a some other multi-terminal connectors - like the ones on the bulkhead. Unless the vehicle is fully optioned out, some positions have no wires on one side and some positions have no wires or terminals on both sides. Same part used for different purposes saves money...
  26. Mattax

    1984 Ram Crank No Start

    Top of the pentagon connector is power for the ECU When the distributor signals the ECU, the ECU connects its left pin (black and yellow wire in diagram above) to ground. That's all it does. Works same as points closing. Give that battery a long slow charge. it should be around 12.6 to 12.8...
  27. Mattax

    1984 Ram Crank No Start

    I beleive that by '84 Chrysler had changed to ECU's that no longer required the 5th pin and 5 ohm resistor to control power for running the ECU. The plug was never changed. it may have the 5th ire removed. What wire did you touch to ground? If its the controlling primary wire (connected to...
  28. Mattax

    A QUICK QUESTION ABOUT MANIFOLD VACUUM

    There's no load. You can't use the numbers from no load to do much more than getting a sense of what the engine is like. a. With no load engines will love lean mixtures and lots of advance to match. b. At idle rpm the engine makes relatively little power. Any load at idle is a relatively...
  29. Mattax

    Stop in for a cup of coffee

    Avoids wrenching and getting hands dirty ? or just more 'new and better' also upgraded Some guy just posted how much better his car runs with carb than his FI and he's just starting the tuning. Found it: Carb Tuning: IAB and Transition - Page 3 - Don Terrill’s Speed-Talk
  30. Mattax

    Wiring identification preference?

    The neatest labels will be the ones Dana posted. IMO they will not last that long. But just the process of labelling may help you remember how its hooked up. When you label, spend some time with the wiring diagram. That way you'll really learn how the circuits are connected up. The system is...
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