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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

72 4x4 390

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Old Feb 13, 2006 | 11:18 AM
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Question 72 4x4 390

i have a 73 that is great. this 72 needs a lot of help but looks really good. it has rust and i broke something in rear. anyway. 2 problems are i can shut it off at the ignition but it wont turn the starter. i have to connect the wire to battery oto get her going. second it blows smoke bad and burns oil the smoke is blue. i think i need to rebuild the engine and rings. it this so? if so, is it better just to replace the engine or better to have a fresh rebuild? thanks for your help...
 

Last edited by 4x4bigblock; Feb 13, 2006 at 11:21 AM.
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Old Feb 13, 2006 | 11:28 AM
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Sounds like you need a new ignition switch. And blue smoke is saying that a rebuild will be needed, myself if you have a 390 in it now, I'd rebiuld it. 390's work good in the 4x4's. You can drop out 3rd member to check what broke in the rear end, that is if it is a 9" and your truck is a F-100, for a F-250 you got to tear it down under the truck.
 
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Old Feb 13, 2006 | 02:01 PM
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rebuild?

yeah i have to tear it from under the truck. i know that can be fixed. how much would i spend on the rebuild with rings and all? should i increase the bore? also i think i tried the ignition switch, and nothing. just the shut off worked and the run position. maybe its wired weird?
 
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Old Feb 13, 2006 | 02:35 PM
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Look at PAW.com, they have rebuild kits, you would have to look at prices, but I think you can get a kit for less than $1000, then you will have to factor in machine shop cost. Check to see if the small poles on the front of the starter selinoid if hooked up. The pole next to the poss. battery cable runs the ignition switch.
 
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Old Feb 13, 2006 | 05:39 PM
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will do i will be working on both my trucks the 73 and 72 all day tomorrow. outside in the snow unfortunatley.
 
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Old Feb 13, 2006 | 10:10 PM
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Working in snow sucks i had to change out my third member in the snow one time
I stripped the spider gears and couldn't move anymore.
 
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Old Feb 14, 2006 | 11:18 AM
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Yea, I stripped the spiders in my 4x4 and had to change then in the rain over in Portland, rain-snow, all sucks when you are broken.
 
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Old Feb 14, 2006 | 08:52 PM
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Red face

thinking of just selling this one and putting the money into my 73 until i can find a better 67-72. i want $800 because the tires and rims are awesome. 35" mickey thompsons 5 lug 12.5" wide almost new.
 
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