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  1. P

    3&6 missing, stalling when put in gear

    I'm going to try the balance test next, but ran out of time this morning... was scheduled to start work at noon... just enough time to get started but not finish a project :-P I'm going to throw another wrench into the proverbial works here and mention that this issue has happened before. Same...
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    3&6 missing, stalling when put in gear

    Sorry it's been a while, I was busy getting married :p I checked compression on all cylinders, and they all clock in over 135psi. Checked for vacuum leaks, no dice. I plugged the vacuum from the brake booster, and there wasn't any change in idle. The float is less than a year old, so I dunno if...
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    3&6 missing, stalling when put in gear

    Ok, I'll check em out this afternoon.
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    3&6 missing, stalling when put in gear

    My valiant has been a garage queen for 5 months because of this. '68 Valiant with a 225 and auto trans. It was my daily driver for a long time. It's got a reoccurring issue that comes and goes. First off, some things about my car. -No choke. I removed it years ago because the mechanism was...
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    What is a 'Special Six'?

    What is this?! I need to know!
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    Hard to start in the morning, running rich and slooooww...

    Drove it all day today, and for the most part it runs well. I noticed the #6 plug is still getting carbon fouled, but the other plugs are a bit lean with a 52 jet. I put in a 56, but haven't had a chance to do a plug read again since. Seems to run better, though. Currently I have a Standard blue...
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    Hard to start in the morning, running rich and slooooww...

    So did some fiddlin' after work. Checked the 'wagon wheel' and no sign of fuel. Then took a look at timing. Sure enough, 5* advance. Bumped it up to 13ish degrees and suddenly its idling smooth and the A/F screw actually has some effect. Dialed it in a bit and took it for a ride... I actually...
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    Hard to start in the morning, running rich and slooooww...

    Awesome! Exactly the kinds of clues I was looking for. I haven't shot the timing since I first installed the Pertronix, and I'm pretty sure I've got it at the stock setting of 5 degrees advance. Also haven't done much more than swap jets in the carb since I got it. I'll take a look at the float...
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    Hard to start in the morning, running rich and slooooww...

    I've got a '68 Valiant moredoor with a 225, fresh remanned Holley 1920 with a manual choke conversion, and a Pertronix electronic pickup on it. This thing has always been slow. With the old carb, I could barely scratch 60mph on flat ground, and any adjustments I made seemed to have no effect...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    I tried the alt gauge bypass, and no dice. Same symptoms, but without the alt gauge, the left turn signal indicator light on the cluster wouldn't turn off. Put it all together as it was before, and didn't find any indications of a short.... EXCEPT a white wire going up the column that had rubbed...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Alrighty. I'll try to get to the alternator gauge bypass asap. I haven't seen any sparks since I replaced the voltage regulator, but I certainly don't want to be driving a future cinder. I drove the car last night, and when I give it any throttle, the headlights dim and brighten significantly as...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Last week I started the car and when I shifted into gear, some sparks came out from under the dash. They looked like they originated from the left side of the steering column. After that, the voltage followed the rev of the engine, and it wouldn't run off idle. I replaced the voltage regulator...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    I got a few things I should have mentioned. The car has a fuel cell in the trunk with no pickup, and the choke has been removed from the carb by the PO. I was planning on installing a cable operated choke but since I am almost never in temps under 70 degree weather, I didn't think it was...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Ok, more work: Found out the vacuum advance nipple on the carb was hardly pulling any vacuum. Switched that to another free nipple and that improved things significantly. However, the first start in the morning is still always really rough. It seems like it misses a beat every few seconds, and...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Ok, done more work. Tore down and remounted the carb to make sure everything is sealed, and replaced the throttle shaft with the one from my spare carb. Replaced the cap, rotor and the fuel filter with one that's clear. It gets fuel pretty well, but I'm probably going to try to blow out the...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    I've replaced all the factory fuel routing, and the fuel filter is mostly new... Carb rebuilt just a few hundred miles ago. The issue hasn't popped up since. My best guess is something along the lines of spark just judging by the lack of change when I pulled spark plug wires. I'll be upgrading...
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    Show your slant 6 a body!

    My '68 Valiant Signet. 225 /6 3 speed.
  18. P

    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Wow. I actually have a lot of symptoms from all of these! Spraying carb cleaner at the carb base raises idle. Tightened carb down, but didn't see any leakage around throttle shaft. I did get gas about half way through the trip here, which had been almost all highway miles until this point so I...
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    68 Valiant dies and runs lumpy, then suddenly runs fine.

    Wow, out of the blue on this one. Drove the car 45 miles. Parked it for 20 minutes, drove 100 yards and when I went to restart it suddenly ran like crap. Sounds like it's missing a lot (pulled a couple plug wires while running and made no difference in idle) and dies immediately when put into...
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