79 ranchero saved from the trees - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 12 (permalink) Old 11-29-2013, 10:55 PM Thread Starter
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79 ranchero saved from the trees

I recently bought a 79 ranchero from a very nice old lady. Had to pull it over and through trees on flat tires with my trusty bronco. now the mice had gotten to the wiring no big deal. easily fixed. i am a mechanic by trade. I unhooked the fuel lines knowing the fuel was shot. got power to the dizzy. placed some mismatched plug wires on from past projects and she ran great on carb cleaner. Now 2 years later into my rebuild i get to the motor. I happened to have a 4 barrel carb and intake laying around for the trusty 302. After removing the valve covers i came across an unusual amount of sludge. and pulling the intake it was quite evident of a lot of sludge build up. I plan on pulling the motor. should i rebuild the entire motor? or just clean up the top end and go from there. Motor ran smooth and miss free even on carb cleaner and ****ty mismatched wires so i know the valves are good. any input would be great. as i stated prevously i am a mechanic. but mostly with newer cars.
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post #2 of 12 (permalink) Old 11-30-2013, 04:32 AM
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Cool Re: 79 ranchero saved from the trees

'Ya know...

If it is that heavily sludged, I would pull it apart and have it tanked. Re-assemble as needed (new parts/machining or not).

At the least, drop the pan and check the pump pickup. You may be able to clean it and then it will run like a champ, but as the sludge breaks loose in the engine and drops into the pan, you may experience heartbreak at a later date.

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The above posted information is in my opinion only. It may contain copy and paste material(s). Your opinion(s) and mileage may vary.
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post #3 of 12 (permalink) Old 11-30-2013, 04:42 AM
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Re: 79 ranchero saved from the trees

I would not spend money on the old block I would pick up a 90s 5.0 roller block and go through that instead.
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post #4 of 12 (permalink) Old 11-30-2013, 02:43 PM
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Talking Re: 79 ranchero saved from the trees

I recently played with a '71 Cleveland that had been sitting for 20 years. It ran OK, but smoked very badly. Turned out that all 16 valve seals had hardened and fallen apart. The bits and pieces plugged up the drain holes in both heads. I installed new valve seals with the heads still on it using an air chuck to seal the valves while working on them. (A process i will NEVER do again-it's a booger!) I roto-rootered the drain holes with a coat hanger, lots of solvent and air pressure. Then I pulled the pan and timing cover to remove all the debris. Never smoked or used a bit of oil afterwards. If I had it to do over again, however, I probably would have removed and dis-assembled the engine as KUT suggested.
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post #5 of 12 (permalink) Old 12-01-2013, 03:33 AM
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Thumbs up Re: 79 ranchero saved from the trees

Quote:
Originally Posted by Rockdodger View Post

I recently played with a '71 Cleveland that had been sitting for 20 years. It ran OK, but smoked very badly. Turned out that all 16 valve seals had hardened and fallen apart. The bits and pieces plugged up the drain holes in both heads. I installed new valve seals with the heads still on it using an air chuck to seal the valves while working on them. (A process i will NEVER do again-it's a booger!) I roto-rootered the drain holes with a coat hanger, lots of solvent and air pressure.

Then I pulled the pan and timing cover to remove all the debris. Never smoked or used a bit of oil afterwards.

If I had it to do over again, however, I probably would have removed and dis-assembled the engine as KUT suggested.
KUT!?

I know I am old but a coot?

What you did was fine. As long as you monitored oil pressure/combustion pressures and re-sealed it, it worked out fine.

Not everyone can afford a complete overhaul or is it really necessary in all instances.

DISCLAIMER-

The above posted information is in my opinion only. It may contain copy and paste material(s). Your opinion(s) and mileage may vary.
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post #6 of 12 (permalink) Old 12-08-2013, 03:54 PM Thread Starter
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Re: 79 ranchero saved from the trees

Thank you for your input. I think ill plan on pulling the pan and heads and cleaning it out as good as possible. without pulling apart the rotating assembly. rebuild the heads and go from there then in a few years maybe i can find an updated block with the gt-40 heads or a 351. I do not need the truck right away it is not my daily driver.
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post #7 of 12 (permalink) Old 01-08-2014, 07:02 PM Thread Starter
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Re: 79 ranchero saved from the trees

I plan on pulling motor and rebuilding it this weekend. pics of before and after will be posted. planning on rebuilding the heads. I have chrome oil pan and valve covers to be installed. all new gaskets. high flow water pump from summit racing. new radiator hoses belts. Edelbrock performer intake. Holley carb. efi distributor. accel wires. she should be running like a top soon!
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post #8 of 12 (permalink) Old 01-09-2014, 09:26 AM
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Re: 79 ranchero saved from the trees

Quote:
Originally Posted by 1slo2jz View Post
. I have chrome oil pan a to be installed.
You will be sorry.......
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post #9 of 12 (permalink) Old 01-09-2014, 03:20 PM
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Re: 79 ranchero saved from the trees

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Originally Posted by 5.0 Chero View Post
You will be sorry.......
I second that, cheap chrome pans and valve covers are poorly made and prone to leaking.

Paul
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post #10 of 12 (permalink) Old 01-14-2014, 07:17 AM Thread Starter
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Re: 79 ranchero saved from the trees

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Originally Posted by 5.0 Chero View Post
You will be sorry.......
I understand this as being a mechanic i deal with it and i know how to get them to seal. like i said this motor is just temp to get it driveable and moveable under its own power. until i get the rest of the restore done. then ill upgrade to something better with more power. im not looking to keep it stock as i have no plans to sell it. with all the sludge in the heads i had found i figured the pan would be as bad. so i got a cheap replacement.
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post #11 of 12 (permalink) Old 01-14-2014, 07:26 AM Thread Starter
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Re: 79 ranchero saved from the trees

Well after 14 hours i had the motor pulled and went through the whole thing and installed. cleaned all the sludge out. i am having problems with my aftermarket hei distributor. hopefully i can make work. Motor turns over and pops and back fires. but wont take off. double checked firing order and its good. made sure my distributor wasnt 180 degrees off. its good. the only thing im not sure of is the timing mark on the dampener to the timing cover. maybe im off by a tooth. any ideas? and well the original starter burned up on me as well so ill pick one up this week. and pry drop a new fuel pump in as well. I need to find a new tank as mine is fuel of crud. thinking of a fuel cell in the bed of the truck. My long term plans is to have this a driver/hauler but also something i can down the track.
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post #12 of 12 (permalink) Old 10-25-2014, 08:20 AM Thread Starter
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Re: 79 ranchero saved from the trees

well I know i havnt updated recently but i purchesed a 2005 Crown Victoria. I removed the crown vic body and lan on setting the ranchero body on the crown vic frame keep the 4.6 PI fuel injected. I know there will be some modifications to frame and such to make this work. but im hoping it will not be as hard as one would think.
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