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Ford Truck Club Forum > FORD F-100 | F-150 SERIES > 1948-1983 Ford F100

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Old April 30th, 2014, 08:58 PM
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geroid geroid is offline

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Exclamation trans trouble

hi everyone just joined forum i am 65 and i have two old trucks 73 and 77 old diesel 300d 84 and 79 cj7 was truck mechanic,farmer among other things i have a question regarding 77f100 well two questions .when truck is at normal temp and i stop at light when i take off trans seems to be in second gear and as i go forward it will drop into first changed mod valve also it has a c6 trans and it has an adjusting nut on side anyone know what torque it should be and the other problem i have is when its normal temp and i stop engine go to store for 10 mins it will start ok it will start ok when its cold but if i stay in the store for 20 or 30 mins. it will start but take a lot of cranking it sounds like vapour lock but how to fix anyone know anyway thanks everyone please excuse grammer and spelling

Last edited by ASwaff400; May 1st, 2014 at 06:47 AM. Reason: moved to correct forum
Old May 1st, 2014, 12:21 AM
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welcome to FTC. Put your questions into the corresponding forum regarding your make and model. You will get help. this is just for introductions.

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Old May 1st, 2014, 08:38 AM
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I see a moderator has move the thread

geroid do an intro and show us some photos of your Truck in the intro section; we like Truck porn

check the routing of the fuel line from the carb make sure it away from the hot things on the top of the engine
you may want to look at an isolation gasket for the base of the carb

also make sure your accelerator pump is working when you step on the pedal
and that your choke is not sticking
as opposed to a vapor lock it might be flooding out, check that exhaust smoke after that ["stay in the store for 20 or 30 mins"] start

I would think the fuel pump is ok if it runs after starting

I cant help on your trans issue

I also had a '77 F100 with a 302

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Freedom Has A Taste The Protected Will Never Know.

Last edited by JSoko; May 1st, 2014 at 08:40 AM.

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ASwaff400 , BigBlue79 , Booba5185 , geroid , glc , JSoko , Malcolm , Russo2 , skatebowd

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77f100 woes , trans , trouble

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