Recent content by 340_833 dart

  1. 3

    Need help with headlight switch wiring, please

    Does anybody have a picture of the backside of the connector that plugs into the headlight switch for my Dart, that you can post? The wires popped out of the connector and I have no idea which wire goes onto which terminal on the headlight switch. A wiring diagram is not specific enough as it...
  2. 3

    Questions for those who switched to EFI...

    The first, most obvious, question is, "Is it worth the money?" I know not to expect a noticeable increase in power but, does the driveability improve enough to make the conversion worth it? I've been thinking about switching to the FAST EZ-EFI set up. We have some wild weather swings in...
  3. 3

    Just can't my 340 to run well on 91 octane.

    Would spark plugs that are too hot cause some of the problems mentioned? The Autolite 66s cross reference to Champion N12Ys. That's the recommended plug for the stock '73 340s. However, my '72 Duster 340 called for N9Ys. So, I bought a set of those this afternoon. I'm waiting on some...
  4. 3

    Would somebody please read this spark plug for me?

    So, the consensus is that the engine is detonating? Spark plugs will be easy enough to fix. I just bumped up the primary jets from 70s to 74s. One thing I noticed when I took the primary fuel off was that the gasket had slipped at the top center and was not sealing the bowl. Would that cause...
  5. 3

    Would somebody please read this spark plug for me?

    This goes back to my thread about my car not running well on 91 octane. I just pulled a plug and got a picture of it. All the plugs look like this. I've looked at several charts on various Internet sites but none look like this. Thanks.
  6. 3

    Just can't my 340 to run well on 91 octane.

    IIRC, I've got a 6.0 pv. The engine has 11" of vacuum at idle in gear. I'm pretty sure I have 72 jets up front. It's been a while since I have been into the carburetor. It's got a metering block on the secondary side. The choke plate and shaft have been removed. It's got the tan accelerator...
  7. 3

    Just can't my 340 to run well on 91 octane.

    What do y'all think about this cam? It's the next step up Lunati Voodoo. My car's got a 2800 PTC converter and 3.91 rear gears. I have no desire to mess with nitrous. Hydraulic. Hot Street cam, likes 2800 converter, Hi-Rise type dual plane intake with 750cfm carb, headers, 10:1 compression...
  8. 3

    Just can't my 340 to run well on 91 octane.

    Lots of great questions and responses here. I appreciate the help and will try to answer as best I can. I am not running vacuum advance. The advance plate is locked in place with two screws. The distributor is a MP unit with easily adjustable mechanical advance. I had the harmonic damper...
  9. 3

    Just can't my 340 to run well on 91 octane.

    It's a Lunati Voodoo 60403. Advertised Duration (Int/Exh): 268/276 Duration @ .050 (Int/Exh): 226/234 Gross Valve Lift (Int/Exh): .494/.513 LSA/ICL: 110/106
  10. 3

    Just can't my 340 to run well on 91 octane.

    When I built my engine I measured everything except the cylinder volume and the combustion chamber volume. I don't have the stuff needed to measure liquid volume. But, here are the specs that I was able to measure; Bore: 4.08" Pistons are 0.020" above the deck. (The block required decking of...
  11. 3

    My dodge dart will not go past 70 mph at about 3000rpms?

    Is the carburetor linkage adjusted properly?
  12. 3

    Should you run a car without a thermostat?

    I don't believe he said it changes the path of water flow. By having the restriction from the thermostat, along with the pressure in the system, water is forced into all areas of the cooling jackets. Remove that restriction and the water goes from the water pump up through the heads and out the...
  13. 3

    Anybody need a three day ticket to this weekend's Denver race?

    Unfortunately, about 20 minutes after I bought my ticket today, things changed drastically and now I am not able to attend the race. Anyway, the ticket is for all three days. The ticket is for the east side, section FF, row D, seat 32. It is one ticket for all three days. I paid $108 for the...
  14. 3

    SERIOUSLY! #$%$ engine issue

    Do you have your PVC hooked up? What about the end seals on the intake manifold? Are they in place?
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