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Merle Coggins

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Merle Coggins last won the day on November 15

Merle Coggins had the most liked content!

About Merle Coggins

  • Rank
    Zen Master, I breathe vintage mopar!
  • Birthday 03/29/1967

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  • Occupation
    Technical trainer for a Construction Equipment Dealership

Profile Information

  • Gender
  • Location
    Menasha, WI
  • My Project Cars
    1950 Dodge B-2-C-116


  • Location
    Waukesha, WI
  • Interests
    Motorcycling, working on my truck

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  1. Diesels don’t make any vacuum. The intake is wide open so they can take in as much air as possible. Most diesel pickups have a hydraulic brake booster that runs off the power steering pump
  2. Why be secretive about it. Post the pics on this forum for all to see. It sounds like an interesting modification. .
  3. My parts book does not show an exploded view of the bell housing on the light trucks, but it appears that the P/N of the lower pan is 1266640
  4. You say the rubber is in good condition, but do you know that's it's compatible with modern ethanol blended fuels? Fuel pump kits are fairly inexpensive and good insurance. Check with the good folks at Then and Now Automotive. They may even have that screen for you. I don't believe it's part of a kit. http://www.then-now-auto.com/fuel-pumps/
  5. It's been too long since I've had mine apart so I don't recall if I had that spacer or not. I assume it's just there to keep the spring in alignment, or to keep it from sliding back and forth. If you need something for that maybe a small washer would do the job.
  6. 1) It appears I might have an issue with my heat riser spring. I'm not sure but it seems to operate backwards. Searching the forums it sounds like at one time Andy Bernbaum was selling some that were wound backwards. I bought my spring from Andy back in 1998. In order to be sure, what should the spring do when wind or unwind when heated? The spring should hold the counterweight at the 12:00(ish) position. Exhaust flow across the internal flap wants to rotate the counterweight clockwise to the 3:00 position. As the spring heats up it should relax and allow the weight to stay in the 3:00 position. 2) It also seems that I have lost the spacer that goes on the shaft of the heat riser. Anyone know of a source for one? What spacer? Are you referring to the little arm with a cushion on the end? 3) Brake backing plate shims for shimming to create the correct clearances for the axles. Anyone know of a source for them? No known shims for purchase that I am aware of. You will either need to get some from another axle or make some out of shim stock 4) I'm considering a dual horn setup. Anyone know of a source for a short version of the factory horn? I found mine at a swap meet. 5) When installing the brake switch and the 1/4" plug in the back of the master cylinder, should I use any kind of sealant on those threads? Yes. Use some pipe thread sealant. I wouldn't recommend Teflon tape here as little pieces could get into the system. Stick with a paste sealer on the threads.
  7. You and your brother out for a Sunday picnic with Dad? Apparently Dad wouldn't share his Schlitz. The boy get 7-UP
  8. Seems that I remember getting the window run from Roberts. Do they not have it anymore?
  9. On the door latch... take the linkage arm that goes to the inside handle pivot and swing it down parallel to the door edge. Then you can roll the latch mechanism out around the inside channel. No tugging and cursing needed.
  10. You could also put your timing light probe on the high voltage coil wire. It'll make the timing light seem brighter as it will flash 6 times as much. You'll also be able to see your timing marks at 120 degrees off since it'll also be flashing when 2 & 5 are at TDC, and with 3 & 4 at TDC, although that's not really useful.
  11. The compression ratio is determined by the bore and stroke dimensions of the cylinders. The spark plug has no effect on this number at all.
  12. It really doesn't matter. #1 and #6 will give you the same reading on the timing mark since they are pared cylinders. Both are at TDC at the same time. One will be in firing position and one will be about to start the intake stroke. The Mopar engineers seemed to gravitate towards #6 for all timing reference, as indicated by the timing plug in the head, and your reference in the manual.
  13. By the way... what was the purpose for baking the manifold in the oven?
  14. Steve, Are you looking for a procedure to static time your distributor for initial startup, or or for dynamic ignition timing with a running engine and a timing light? For static timing you need a test light to connect to the wire that connects the coil to the side of the distributor. Set the engine so that the proper timing mark aligns with the pointer. Then, with the key ON, adjust your distributor back and forth until the test light just lights up. At this position the points have just opened, and this is where the coil would fire high voltage through the ignition cables. Lock it down, install the rotor and cap, and see if it will fire up. Here's a good web site that also describes it. https://auto.howstuffworks.com/how-to-static-time-engine2.htm For dynamic timing I recommend a good timing light. I also like to use white-out, or similar, to mark the timing mark on my pulley so that it's easier to see. Connect the timing light per it's instructions. Then get the engine running at the lowest possible RPM. Disconnect the timing advance vacuum hose and cap it. Loosen the distributor clamp bolt just enough so that you can rotate the distributor, but not that it turns too easy. Then CAREFULLY hold the timing light so that the light flashes on the timing marks. CAUTION!!! You will be working closely to a spinning fan!! Adjust the distributor so that your timing mark lines up with the pointer, then tighten the clamp bolt. Some like to use a vacuum gauge for ignition timing, but I've always relied on my trusty timing light and it's never steered me wrong.
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