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Posted on Oct 25, 2009
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460 points out hei in

I pulled the point type distibutor out of my 77 ford f250 and put in a 50k volt hei. What would be a good plug gap to run with the larger coil?

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  • Posted on Oct 25, 2009
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I would run .044 to .052.

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  • Posted on Oct 26, 2009
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The setting for the plug gap on a model with HEI ignition is 0.44. Hope this helps, let me know.

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1helpful
1answer

1975 f250 with 460 starts but won't run after releasing ignition.

check the voltage of the coil ( stamped on the bottom
if it has 7.5 volts then the problem is the run circuit from the ignition switch to the coil or distributor
It turns over and fires on the start circuit as that is straight 12 volts but when you release the key to the run position it goes through a resistance wire or block to drop it to 7.5 volts or the coil will burn out
with the key in the run position connect a multimeter to the coil wire and read the voltage ( if it is not there you have not connected up the circuit properly
if you have a voltage there and it is 12 volts make sure the coil is a straight 12 volt coil
0helpful
1answer

How do I wire a 4-terminal solenoid for this truck? I do not understand what goes on the I and S terminals?


It depends on whether you are running a points or an HEI setup.

The ballast resistor is tied into the coil on a POINTS system, so that it supplies 9 volts to the coil when the motor is running. This lower voltage lengthens the life of the points. During starting however, the coil is fed a full 12 volts to make starting easier.

An HEI system has a full 12 volts fed to it when starting or running, because the switching transistors inside the HEI won't burn out like points will. This is why the two systems are wired differently.

The two small terminals on the starter solenoid are marked as R and S - which stand for Relay and Solenoid, which probably doesn't mean anything to you. SO, think of the two terminals this way - S stands for Start, R stands for Run.

The S terminal is for engaging the starter. The R terminal is for supplying high current battery voltage - to the coil and to the fuse panel. The R terminal is ONLY USED IN POINTS SYSTEMS - the HEI system has no need for it.

A diagram that might help you:

6_30_2015_2_55_02_am.jpg
0helpful
1answer

Timing and sparks plug gap 1980 gm 454

Timing 6 degrees before TDC vacuum hose disconnected from vacuum advance. Idle @ 600rpm auto trans. and 700rpm
for std. trans. Plug gap .035 non HEI ignition, point dwell 28-32 degrees or .019 gap with feeler gauge on high lobe point open. Timing can vary a few degrees depending on cam and fuel. Also point setting changes timing. Go back and check each reading as you change one the others change. (example: increase timing, rpms also go up) All settings made with vacuum hose off advance and plugged.Hope this helps good luck.
0helpful
1answer

Can i replace the electronic control module with points in my 73 ford 460.

I suspect that the problem here is an incorrect coil being used. you can buy 12 volt direct coil or 12 volt that has to be used with a resistor in the circuit to reduce the voltage to around 7 volts. If you have a 12 volt coil needing a resistor but don' have one then the coil overhaets and like all transformers will break down internall until they cool down. Resistor coils all start on 12 volts but in the run circuit, the current is diverted either through a resistor wire ( 2nd wire on the coil) or through a resistor normally a white ceramic unit near the coil
0helpful
1answer

My f250 2002 my stop,turn and 12 volt supply aren't working, fuses are all good, someone said theres a relay un der the hood that controls the trailer plug directionals, is thair any truth to that

Yes. Sign up on the Autozone.com site for free and you can get Powerbox layouts and wiring details. Also check your Relay number on the part. Ford often usues the same Relay for the horn and they can be switched to test the relay.

The turn stalk can also be a problem. All turn lights run to it. Sometimes if you have the Hazard on the column, just pressing the Hazard button will reset the points for the turns. They use a derailer system and sometimes the points do not return back to center.

I hope my solution is helpful.
0helpful
1answer

89 F250 460 door sticker says trans code "k" what

Transmission Types : Ford E4OD/4R100, 4 Speed, Automatic Transmission
Comments: w/ Shallow Pan = 20 bolt holes 4 speed

Drive Trains : Four Wheel Drive
Transmission Types : Ford C6, 3 Speed, Automatic Transmission =17 bolts 3speed

What does the dash indicator say and does the stick have an od button on it? there is only 1 3 speed for the 460 and only 1 4speed for the 460

Engines:{300, 302, 351w}, {400, 351m, 460}, {6.9L, 7.3L IDI}, {352, 360, 390, ect.}
Fluid:
Pre '77: Type F
Post '77: Mercon
Display: PRND21
Pan 17 bolts "Utah" shape
Ratios:
1st 2.46:1
2nd 1.46:1
3rd 1.00:1
Trans code: K

so you should have the 3 speed acording to the code
http://broncozone.com/topic/10386-transmission-id-chart/
0helpful
2answers

Just finished 12 volt conversion on 49 V8 flathead. Starter engages but engine won't start. Appears to be getting fuel.

You might not have spark as the 12 volts needs a ballast resistor or the points burn out preytty quick. 8 volts at the coil in run with the points open and 0 with the points clsed and battery voltage at the coil when cranking. coil wire near the intake manifold while cranking should jump at least 2 inches. Closed points should be 0 volts at the neg on the coil. pos and neg should be the same 12 volts with the points open. if not either the coil or the points are bad. The condenser can fail and no spark with all the rest right
0helpful
2answers

Point setting on 77 ford

The gap on the points to your distributor is .017 or the thickness of a match book.
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