How about replacing the fuel filter? He may have prime and pump shot but bowl is empty. He smells no fuel.
Need help ?
- Thread starter Benjamin F Cothran
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furrystump
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The M in MSD is accurate, don’t ask me how I know. 
stroker402
1968 dart GTS convertible
could be the fuel pump escentric came loose and is flopping around and not positioned on the key way and not supplying any fuel to carb. another try > having someone crank the engine over with key and spray carb cleaner into carb when cranking it over. see if it pops.
furrystump
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He has tried alternate fuel source, separate from the carb/fuel system. What is curious is it does NOTHING, but turn over? No pop, no snort, no kick back, no unusual sounds what so ever when turning over, but it has fuel out of the accelerator pump and “spark” at number 1. My last guess, assuming the 60 lbs is moderately accurate. It jumped time, bent every valve (in the subsequent starting efforts) or pushrod and the 60 lbs is real. A video of it turning over would be invaluable.
I was thinking the valve thing too! But what are the odds.
furrystump
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This reminds me of a 80’s mustang I worked on. A friends was trying to ahhhhhh DATE this girl he worked with. so we were going to tune the little 4 cylinder up for her in order to improve his odds. He drove into the driveway and it shut off and would not restart. Pull a fuel line off, no fuel pressure while turning over. At that point I should have figured it out, by HOW it was turning over, but young and dumb. Ok needs a fuel pump. Put fuel pump on it, still no joy. His odds are sinking fast!!!!!! Scratching our heads, he tries it again and I see the back of the cam sprocket is not turning! DOH! Timing belt left the chat! Non-interference engine, so we threw a belt in it and vrooom vroom! After all that he got stuck in the “friend zone”
furrystump
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A real 60 lbs of compression, kinda running out of options. The OP might not recognize the difference in how it would sound. Huffing back out the carb and the spark might be weak enough not to create pyrotechnics.
stroker402
1968 dart GTS convertible
make sure the pushrods are not bent. 60# compression. valve train issues... lets see some videos of what's going on with it . pictures are worth a thousand words
middleagecrisis
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He’s verified rotor is pointing at #1 terminal when engine is at tdc, he’s sprayed starting fluid down the carburetor, and he took the compression test with an oldercompression tester that pushed against the spark plug hole, not screwed in. The last sentence makes me question how accurate 60 pounds is so don’t get too hung up on that number. He’s also ordered a screw in compression tester and is awaiting delivery. Even though it’s a very long read, it may be worth it to those who post ideas to go back and look at everything that’s been done over these last eight pages. Chances are it’s already been suggested and done. I ran out of ideas a long time ago and suggested that he get another set of eyes to take a look at the car.
If you're jumping in with an idea, at least read post #156. Kuz took the time to do a thorough recap of what had been tried up to that point.
It's not firing at all, has spark, already used squirts of starting fluid...I know You don't feel like reading all 9 pages, but ......
Only problem with the water theory is that fuel floats on top of water. At the moment enough water is introduced the only fuel in the system to run the engine would be what ever is in the carb bowl and the fuel lines from the tank to the carb. how many miles could one drive using only that amount of fuel? startup to maybe a mile. Yes there is jostling in the tank so the engine could in theory get enough gas with the water to keep running at speed. If the water was very little it might not reach the pickup at all times (angle of the car, acceleration, deceleration, sloshing)
PLUS starter fluid and or raw gas down the intake should have shown it was a fuel delivery issue of some type but OP never got a pop.
Actually I did read all the pages. The recap shows no fuel filter change. Cheap enough to try.
The problem is, this is all over the internet. It's open to anyone's interpretation. Plus, we don't know for 100% sure what he's saying is right. ...and I'm not saying that to knock him. He's already admitted he's a novice. Heck, we're all novices about something. He says it's firing. Does he know what a strong spark looks like? Is it firing every revolution of the distributor or just "every now and then"? See, we don't know details because we are not there. There's no sense in arguing amongst ourselves, when we don't know all the details. All we can do is try and help him the best we can.
jeff alder
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It's like beating a dead horse. Fuel and spark a little timing.
Benjamin F Cothran
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Went to the Dentist this morning in the pouring down rain . Plan was to stop & get a gas filter , distributor cap and rotor on the way home . Just my luck the wiper linkage bushing broke or fell off . Anyway , I could not hardly see to drive , so I took the shortest route home without having a wreck . Still raining , but sunny tomorrow . I will go out tomorrow and get those parts , including the wiper bushings . Done that on the barracuda years ago . Probably hard bushings on the barracuda by now . Might as well fix that problem before it happens .
I presently have a clear amber colored inline gas filter . I see it nearly full with a slight bubble at the top . The new fuel pump keeps it full . I get gas every time I move the throttle back .
I wonder if you might could get us a video to highlight two things. First, to let us HEAR the engine turning over. If it has jumped timing, it will be distinctively different sounding from an engine that's in time. Secondly, set up your spark testing outfit and spin the engine showing the spark. That way we'll have two good things where we can offer opinions on from solid evidence. Glad you made it back home. Do you have some RainX? It's good stuff. Get some if you don't.
I hope I didn't come across wrong in post #210. I wasn't trying to criticize or discourage anyone from trying to help. I just thought a link to the recap would be helpful to those just tuning in as this is a pretty extensive thread.
Benjamin F Cothran
Well-Known Member
I still live in the post stone age . I can get by on a computer . Have trouble with an I-phone . I have no idea how to make a video & post it on the internet . My nephew set up my computer , but he lives on the west coast & me on the east coast . I appreciate all the help given on these nine pages . I have been retired for 17 years . At 77 , my ability to learn new tech is way beyond me ! I will do what is suggested tomorrow . Still need to install the new coil . I have not noticed any strange sounds on the many times that I have cranked the starter . Sounds normal to me other than it does not start .
Do you have any questionable neighbors? Serious question. Also. What is the aftermarket gauge below the key?
Been saying
Instead of buying parts
A real compression tester
Might be a quick test
Try the one you have on your truck see if it works ....60 psi I a big problem...
Vacuum gauge is cheap easy tool to use
Instead of buying parts
A real compression tester
Might be a quick test
Try the one you have on your truck see if it works ....60 psi I a big problem...
Vacuum gauge is cheap easy tool to use
Benjamin F Cothran
Well-Known Member
A real oil pressure gauge , with direct copper line to the engine . Neighbors are white collar types with modern cars . Not mechanical minded from what I know of them .
Here are three gauges that I added to my truck . Voltage , water temperature and oil pressure .
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stroker402
1968 dart GTS convertible
can you please describe the procedure step by step how to attempt the crank the engine over with key.. ? are you pumping the gas peddle , holding it to the floor while cranking and how long cranking .
are you checking to see if push rods are not bent or broken rocker gear?
are you checking to see if push rods are not bent or broken rocker gear?
Benjamin F Cothran
Well-Known Member
Pump gas peddle twice & hold down to the floor & then turn the key to the right for about 30 seconds . I have not removed the valve covers , yet . Let me get the other suggestions above , done & see where it stands . I will have to order gaskets before I remove the covers .
Are you putting a pretty good amount of gas in when you dump it through the carb? I am rarely afraid of flooding, if its gonna fire. Can't hurt to make sure you get fuel to the cylinder since you said the plugs are dry.
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