Question 1:
I recently changed the ignition wires, distributor cap and rotor. I originally took off each wire separately and replaced them in the order they were originally. I checked this order against the Haynes book that I have. The order was completely wrong. The Truck is an 82.
I changed all the wires so it matched the setup for an 82 302, the motor wouldn’t start. Back to the original way, which mirrors the setup for a 95 or newer 302. I was wondering where I could locate a code on the block that would indicate the year and size of the motor.

Question 2:
At one point when I bought the truck, I recall the guy telling me it had a 250 V-8. I’d never even heard of such a thing, it would appear that a 250ish V-8 was offered at one point for the F-100, but my truck is an F-150. The paper work indicates the truck came stock with a 302. Is there a way to tell what size this block is?

Question 3:
The motor in my opinion runs great. Once warmed up, it runs, and idles great. I’ve noticed however that PCV system will vent a white gas into the breather, if understand correctly this is the opposite flow of air then is required? The air should vent from the breather into, the engine and back out through the PCV Valve and into the carb? It will also hold a steady 50 PSI of oil pressure when the motor is cold, however as the engine warms, the pressure drops to just a few marks off of zero at idle, and at highways speeds it stays around 30 PSI. At idle the motor will also tick, I’ve been told it’s the valves not getting enough oil. Should I just move up to a higher weight oil and run this engine into the ground, or is there any possible fixes, aside from a tear down?

 

First things first, you need to figure out which engine you actually have. There are two possible firing orders for Windsor engines,
1-5-4-2-6-3-7-8 is how the 289/302, and smaller engines fire. This is probably the one you used. 1-3-7-2-6-5-4-8 is how the 351W fires, as well as the 302 H.O., which is actually very likely the engine that you may have, I understand the HO engines were common in Mustangs prior to the switch to roller cam engines in the 1985 model year. It's also possible that someone could have put a 351W cam in your 302, which will have to use the 351 firing order.

Another thing you may have done is forget that the distributor on Fords (all V8's) spins CCW, you might have set it CW.

Click here to find a diagram that will quickly show you if you have a 302 or 351W, https://www.ford-trucks.com/dcforum/DCForumID18/1308.html
Scroll down to the bottom to view the diagram that Franklin2 posted so generously.

The other guys will give you a better answer than I can on your third question, but I would suspect excessive bearing clearances, which can be fixed with machine work to both the block and the crank, but nothing that can be fixed without removal and a teardown.

'77 F100, 302 (the aftermarket Prodigy), C4
Cadet Second Lieutenant John F. Daly III
South Carolina Corps of Cadets, The Citadel
The TorqueKing

 

Did your engine start after changing your firing order back to original? Blocks, heads, and just about every other part on your truck has a letter/number combo that indicates what year the part was made or engineered. C for 6, D for 7, E for 8, etc. It's easier to find them on the intake, but don't always indicate the year of the block. I doubt your engine is a 250, but I guess anythings possible. I didn't even know they were used in trucks. Have you checked the firing order for a 250? Your PCV system is operating properly. The vacuum created in the breather by the engine sucking in air, does the same thing as your PCV valve and hose that goes to the base of your carb. It works best when at WOT, when you have low engine vacuum and high breather vacuum.
The thicker oil may help a little. Your bearings are most likely worn, along with your oil pump. You could possibly drop your pan and install a high volume oil pump. It would make your pressure more steady, and probably add life to your engine. Nothing is a better fix for that then a new or rebuilt engine though.

 

The Original firing order was 1 3 7 2 6 5 4 8, with this firing order the Truck does run, infact after changing out the iginition wires, etc, it seems to accellerate a bit quicker. On the intake manifold is stamped 1-3-7-2-6-5-4-8 in front of the carb. Behind the carb is FSTE-9425-OA (Might be ZeroA). There is another 4 digits stamped on it aside from the previous (4?08) it ? might be a c or a j.

The intake has a 2 barrell carb on it.

Where would i find the Code on the block ?

 

I stand Corrected. After seeing that a FSTE would indicate that the motor was a 95, I re-evaluated the Code, it is an E. I would assume its actually E5TE, it would also appear to be a 351, based on the diagram.

The Distributor cap fit ? Should it have ?

 

Yes, it's still the Duraspark ignition, and all the caps I've seen are the same, C2011G for the Conrad Industries gold series, which has brass posts and a brass rotor botton, so it won't corrode or blow out like standard zinc inserts will. The firing order indicates that it is a 351W.

'77 F100, 302 (the aftermarket Prodigy), C4
Cadet Second Lieutenant John F. Daly III
South Carolina Corps of Cadets, The Citadel
The TorqueKing

 

>The Original firing order was 1 3 7 2 6 5 4 8, with this
>firing order the Truck does run, infact after changing out
>the iginition wires, etc, it seems to accellerate a bit
>quicker. On the intake manifold is stamped 1-3-7-2-6-5-4-8
>in front of the carb.

Behind the carb is FSTE-9425-OA
>(Might be ZeroA).
That should read F5TE-9425-OA

There is another 4 digits stamped on it
>aside from the previous (4?08) it ? might be a c or a j.

If it is an *A* that would mean it was cast on January 8th 1994
If it is a *C* it was cast on March 8th 1994

>The intake has a 2 barrel carb on it.

No doubt

>Where would i find the Code on the block ?

On the right side of the block up in behind the starter.
It will be almost the same as the heads,but with a 6015-? number

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