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Kid's Bronco project

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  #1  
Old 10-29-2017, 02:12 PM
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Kid's Bronco project

Hi

My 14 year old son just dragged home a 1980 Bronco from our neighbour's back yard. Apparently it has a good-when-it-was-parked 5.8l engine, and it would thrill him to no end to get it running. As far as we can tell it was parked 20 years ago. No one is thinking restoration, just a fun learning project.
Currently he is stumped (this will happen a lot if he keeps it up) by the negative battery cable - where should he look for a ground post?

TIA

 
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Old 10-30-2017, 06:56 AM
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The ground cable for that year usually goes to frame and then from frame to the lower starter bolt. As long as you've got a good ground, you can really ground to any point of the frame and engine.
 
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Old 10-30-2017, 01:56 PM
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that probably has a 351M for a motor. that year was a transition year and is known for its Swiss Cheese frame as it is riddled with Holes.

for a free learning project it will work for sure. Finding parts could be the challenge. Good luck and keep up the pics on progress.
 
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Old 10-30-2017, 04:43 PM
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Thanks for the tips! This was after he'd evicted the squirrels and scooped out most of the pine cone debris. The feral cat had to relocate as well.
At the moment he's trying to track down some bolts he can use for ground cables.
I'll be sure to update the thread as progress occurs.
 
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Old 11-14-2017, 12:51 PM
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Progress has been slow, but he thinks he's got the battery cables figured out. Except that when he touches the positive cable to the battery the horn starts blowing. His solution was to disconnect the horn and try the starter
The engine will crank but not turn over, and I'm thinking the battery he has just can't do the job.
 
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Old 11-15-2017, 12:49 PM
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did he replace the fuel, fuel filter, spark plugs, cap/rotor etc..?
 
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Old 11-15-2017, 11:44 PM
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Originally Posted by Kemicalburns View Post
did he replace the fuel, fuel filter, spark plugs, cap/rotor etc..?
Nope. I think he was hoping all it would take is a cleaning and a jump start, and we are trying not to get too involved.

As of tonight though, he's trying to figure out how to drain the tank, and I think he may opt to spend money on some parts for the Bronco rather than buy the Traxxas r/c car he was planning on.

I haven't tried to buy parts for anything this old for a long time - do you have any tips on where to look?
 
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Old 11-16-2017, 06:46 AM
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Originally Posted by lanneinbc View Post
I haven't tried to buy parts for anything this old for a long time - do you have any tips on where to look?
My first online purchase flowchart, in order of most to least desirable:

1) Rockauto.com: huge selection of parts, both OEM and reman. Great prices and shipping:

2) Amazon.com: With prime's free shipping, I can usually plug in a part number and get something to my door faster than any other online store. Prices are usually competitive or better than Rockauto.

3) broncograveyard.com: The prices are never better than anyone else and they usually rape you with their shipping fees. I only shop here if I can't find it anywhere else.

4) dennis-carpenter.com and LMCTruck.com: Also a last resort. Usually end up here when looking for oddball stuff, like weatherstripping, model-only parts like rear window switches, etc.

Other than that, just googling the part number you need will bring up all the shops selling it which can get you a deal on price sometimes.
 
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Old 11-23-2017, 05:36 PM
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so... RockAuto has a lot of different belts available for this truck!
http://www.rockauto.com/en/catalog/f...rive,belt,8900
It seems like the alternator is one of the main variables - how do we figure out which ones he needs? There was a tag on the bottom of the alt, with a number - HD 7701
 
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Old 01-30-2018, 12:31 PM
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Long time, no update! The truck has some new parts, and yesterday it almost started. It sounded like it just wanted a splash of fuel in the carb, but the next time he tried to start it, there was some major sparking from the negative battery post/cable.
So far he has replaced the starter, ignition solenoid (? - inside passenger side fender), spark plugs, and the fuel filter. 2/3 battery cables are new, and the last one is being changed right now. He also has cap, rotor and wires standing by.
 
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Old 01-30-2018, 12:50 PM
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Originally Posted by lanneinbc View Post
so... RockAuto has a lot of different belts available for this truck!
1980 FORD BRONCO 5.8L 351cid V8 Belt | RockAuto
It seems like the alternator is one of the main variables - how do we figure out which ones he needs? There was a tag on the bottom of the alt, with a number - HD 7701
40 or 60 amp alternator: 15/32" wide x 41 1/2" long: Motorcraft JB-414-L

70 or 100 amp alternator: 15/32" wide x 42.00" long: Motorcraft JB-420
 
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Old 03-21-2018, 06:25 PM
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Sadly, this truck still will not fire. Seems to be not getting fuel despite an electric booster pump. I think his next idea is to try re-route the fuel lines because the way he has it still involves an old lift pump...
 
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Old 03-22-2018, 07:13 AM
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go get your kid a can of starting fluid and see if it fires. the electric fuel pump should push past the engine mounted pump but maybe not. how about the fuel filter. if you use a small plastic bottle you can fill the float bowl on the carb to see if it will run that way too. but put the bottle away before trying to start it.
 
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Old 03-22-2018, 08:52 AM
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Thanks for the suggestions. Hes tried the starter fluid, which was a lot of fun but not actually helpful.
And it will flash up with fuel in the carb, but only momentarily. He was just pouring a little bit from a jerry can, but I can see the wisdom in using a small bottle. He definitely didnt fill the bowl.
Filter is new.
 
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Old 03-22-2018, 08:59 AM
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I'm pretty sure this was without starter fluid, and without additional fuel in the carb.
The exhaust pipe has been buried pretty deep in the snow and he was wondering if a restriction there could be causing problems. As you can see from the video, it's not entirely blocked. I'd be surprised if there's enough metal left between the holes in the system to build up much pressure at all.

 

Last edited by lanneinbc; 03-22-2018 at 09:01 AM. Reason: video embed failed
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