EFI to carb...
Laughing Gas
Joined: Aug 2010
Posts: 983
Likes: 49
From: Northern Kentucky
No, I mean that a distributor from an earlier 302 that used the duraspark 2 system is what you need. It just so happened that DS2 distributors for my 351W stretched over a number of years. I checked 1981 and 1983 Ford truck with 302 on AutoZone website and they offer the same 2 distributors for those years, one with cast iron gear which I believe is correct for flat tappet cams and one with steel gear which I think is for roller cams. Both have single vacuum advance.
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Joined: Jan 2001
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From: Virginia
Cargo Master
Joined: Oct 2016
Posts: 2,738
Likes: 217
From: Northern VA
My 86 was plug n play in terms of swapping Duraspark. If you do Duraspark-- go big and do DS1 instead of DS2. You use the module from a California-spec 1979 Mustang and you keep your original coil.
This might be an option as well. Better Dirt Cheap Electronic Ignition
This might be an option as well. Better Dirt Cheap Electronic Ignition
Moderator
Joined: Jan 2001
Posts: 57,014
Likes: 2,751
From: Virginia
My 86 was plug n play in terms of swapping Duraspark. If you do Duraspark-- go big and do DS1 instead of DS2. You use the module from a California-spec 1979 Mustang and you keep your original coil.
This might be an option as well. Better Dirt Cheap Electronic Ignition
This might be an option as well. Better Dirt Cheap Electronic Ignition
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Cross-Country
Joined: Dec 2019
Posts: 93
Likes: 0
Before I hit the junk yard...
Two more questions-in case I have to go Oreilys on my distributor must it be cast iron drive gear on this 1986 302 (?) and the pickup I have spotted at the salvage yard is carburetor I know but the old boy doesn’t know if it’s a 351 or 302, i know the distributors are different but will the other components (harness,module,coil) work on my 302 if it happens to be a 351?
Last edited by dallasf150; Dec 14, 2019 at 07:00 AM. Reason: Update question
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Joined: Jan 2001
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From: Virginia
Other components will work. It's more than likely a 351w with a HO engine that had a 4bbl holley on it from the factory. Make note of where you unplug the ignition module, you will plug it in the same spots on your truck. Your truck does not have a roller cam from the factory, so a regular cast iron gear distributor will work.
P.S. I take that back. It could be a computer controlled 351w with a 2bbl computerized carb. Take a look at the distributor, if it has the rectangle module on it like yours with no vacuum line, move on, you cannot use anything off of it. If it has the 4bbl carb on it, then you are good.
P.S. I take that back. It could be a computer controlled 351w with a 2bbl computerized carb. Take a look at the distributor, if it has the rectangle module on it like yours with no vacuum line, move on, you cannot use anything off of it. If it has the 4bbl carb on it, then you are good.
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Cross-Country
Joined: Dec 2019
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I climbed up and glanced (it is sitting on top of another vehicle) that day not knowing how to tell the diff between a 351/302 and it definitely had the 2bbl sorry for the nit picking but if its a 302 2bbl (I know how to check now) will the stuff work then?
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Joined: Jan 2001
Posts: 57,014
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From: Virginia
If it is a 302, and has a vacuum can sticking out of the distributor for a vacuum line, it will work. The wires from the dist should lead over to a square silver box. If it has blue plastic where the wires come out, get the box and the wires going from it to the dist. Make note where the plugs connect from the box to the truck harness, yours will connect the same. Get the coil also, the wires to it and make note how they plug in. If the horseshoe connector on the coil (it should be a round coil) is not in good shape, you can get those at the store.
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Cross-Country
Joined: Dec 2019
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It’s an 84 p/u and it is a 302 and picked over pretty bad, the module may be ok but looks very worn from the elements so I ordered a motorcraft (supposed) from eBay,the dizzy has had no cap for decades it looks like and he wants 75.00 for it so I’m going new on it also,the harness has some wires missing insulation so I think I’ll see if he’ll sell just the plugs and use the diagram I was shown earlier and make my own and coil,bracket and horseshoe from O’Reilly, I’m telling them 1984 with a 5.0 carb engine and hope that gets it.
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