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  1. C

    340 slight dieseling when hot and hard start

    I do have a thermoquad, but its in NH and needs a rebuild lol. I'll be putting on edelbrock rpm air gap on it, that should make it a little cooler right? I need to find out what thermostat it has, and will be insulating my fuel line when I work on it.
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    340 slight dieseling when hot and hard start

    right? where could I get this mythical gas lol
  3. C

    340 slight dieseling when hot and hard start

    I'll be working on it in the next day or 2. going to check the timing, probably put some heat wrap on the fuel line, going to play with the carb some (change idle etc), seafoam treatment.
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    340 slight dieseling when hot and hard start

    ehaust crossover.. ie h/x pipe?
  5. C

    340 slight dieseling when hot and hard start

    yea... the car is staying in FL. never had the issue in NH whatsoever. it developed as the trip went. Im buying a timing light this week and will mess with it (looking for a house too, so not sure when I will get to it). it has a small adapter/spacer between the intake/carb.
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    340 slight dieseling when hot and hard start

    edelbrock 600cfm 1406 i believe. will take a look at it tomorrow (its in a friends garage until I find a house).
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    340 slight dieseling when hot and hard start

    sorry.. duh lol. it will crank forever before firing. I have a good batt and a mini starter also. cant idle any lower (about 500 rpm in gear, 6-700 in neutral). I was planning on seafoaming it (full treatment). I thought about the fuel being boring as well... good idea 95teetee lol. no...
  8. C

    340 slight dieseling when hot and hard start

    Took my duster on a very long road trip from NH to FL (about 1600 miles). Along the trip it slowly started running a little worse. Now when its warm, it doesnt want to shut off immediately(it kind of sputters for a second). It never used to do this. It is also hard to start now after being run...
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    suggestions for my 340?

    yip. I just bought the car a few days before posting. guess I should have torn it down to bare metal before asking any questions? Im looking for guidelines of good parts/bad parts etc. This isnt the first time I've built a car. Just the first time a mopar small block car. rather not waste my...
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    suggestions for my 340?

    the headers are brand new never installed dougs headers and ceramic coated. picked up the headers, ***not sure if they are dougs or not as there is no label***. 2 of the primaries are slip-ins on both sides. Can anyone identify them?
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    suggestions for my 340?

    I can tell you for sure it is low geared, I dont know the exact ratio Number, but based on tire size, rpm,and speed (gps verified)... it is in the high 3.8x or low 3.9x area for a rear gear ratio. It is a sure grip as well. I am planning on taller/fatter rear tires shortly. Intention is to help...
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    suggestions for my 340?

    agreed, on the pricey. Did some research, seems that way to me too. Said the headers were 750$ with jet hot coating. working on the pricing though. would a stock set of 2.02 j heads with strong valve springs (good for .500" lift) do anything for my motor? Assuming its stock 8.5:1 compression...
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    suggestions for my 340?

    hm. was just offerend an 8 3/4 with small bolt pattern (2.76 pumpkin) $400, 340 needing to be built with crank/pistons (.030 over)/rods (comes with it all) for 700$, and jet hot coated headers for $400
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    suggestions for my 340?

    LOL. Im sort of new. Did 1 small block 360 about 13 years ago, and had a very experienced person walk me through it, so I dont remember much. Pretty familiar with the trials/tribulations of installation though lol. I've done quite a few newer cars, for myself and others. I may hold off on...
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    suggestions for my 340?

    intake? stocker. so I dont know lol. engine bay... gearing I can check once I can jack it up and see manually check (previous owner was unsure). it runs about 3500rpm doing appx 67mph (speedo jiggles a little) down the highway in 3rd. tire height in rear is 215/70/14 or 25.85". the sites...
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    suggestions for my 340?

    im assuming this motor has low compression. what about intake manifold/headers/cam? that should keep me below 2k$. I'l probably be able to do more to it later, that sjust my current budget. I dont want to sacrifice much driveability, so nothing crazy. A small increase in stall speed...
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    suggestions for my 340?

    I have a 73 duster 340. Not sure what my gears are... probably 3.73 or lower (3.9 etc), hard to say with the small tires on it. From what the previous owner told me, it has a MILD cam in it.. and a 600cfm edelbrock carb. otherwise its basically stock. not sure on mileage etc. etc. either. I...
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