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302 V8 Doesn't Look Like Any Other

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Old 01-17-2018, 07:35 PM
stark1jeff
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Question 302 V8 Doesn't Look Like Any Other

I recently purchased a 1976 F-100 Ranger XLT with little information. And I'm a newb so that doesn't help. The 302 in it looks much different than any diagrams I've seen for the '76 and also comparison 302 photos. What's up with that?

VIN shows it was built with a 302 V8 with manual transmission. Current transmission is a C6 automatic so I know that was changed out, but I believe the engine is original 302, but no tags/identification on it.

I'll preface these questions with this: this truck runs great. Zero issues.

1. What's up with alternator placement opposite from battery? I've seen A/C compressors mounted here, not alternator.
2. P/S is located directly beneath alternator also on same belt. Is one belt supposed to drive all 4: crankshaft, water pump, alternator, and P/S? Very newb question - I know.
3. PCV valve is back right valve cover. I've seen most others showing front left??
4. Anyone else notice odd things about this engine?

Having trouble getting pictures posted.
 
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Old 01-17-2018, 08:07 PM
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Pictures will be very helpful. You could have a truck with a whole powertrain swap. If it was a manual and is now an automatic that is most likely the case.

If you can find any engine serial numbers you could figure out the build date and draw conclusions.
 
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Old 01-17-2018, 08:32 PM
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Sounds like a Chevy engine. Is the distributor hard to reach near the firewall?
 
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Old 01-18-2018, 01:34 PM
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I thought it may be Chevy also - but doesn't look like Chevy 305 either. Distributor is dead center, front of vehicle just above the water pump where I would expect it for a 302. Finally got some pictures to post....


 
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Old 01-18-2018, 01:35 PM
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Old 01-18-2018, 01:36 PM
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Old 01-18-2018, 02:49 PM
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Looks like a 302 with a custom serpentine belt conversion to me. The PCV in the back right should be correct. The truck did not come from the factory with the serpentine belt, the power steering pump also looks like it's been upgraded as I believe a 76 should have come with the old pump with the metal reservoir (though I'm not too familiar with the 2wds). The alternator would have been on the right side from the factory. It's possible the engine came from a newer vehicle or someone just decided to do some customizing.
 
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Old 01-18-2018, 02:57 PM
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A late model 302 or perhaps even a 351W. The latter has a vertical cast reinforcement rib next to the dizzy hole and up to the China wall.
 
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Old 01-18-2018, 03:01 PM
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Considering we know that the trans has been changed it makes sense to figure that the whole powertrain was done at the same time. It would be less work to do it that way.

I wonder if the truck had power steering from the factory or if that was added as part of the swap...
 
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Old 01-18-2018, 05:28 PM
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Thanks everyone - really appreciate it. Yes I'm with you 73F700 on the engine swap now - it makes sense. So what are your recommendations for ID'ing this thing? I've heard there may be ID of some type by the starter motor - I may need to take that out to see it. Is that true? Any other suggestions? If I were to break this thing down a bit, how far would I need to go to find other potential indicators?

HIO Silver - I don't know if you're BS'ing me or if the dizzy hole up to the China wall is truck talk i just don't know about.
 
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Old 01-18-2018, 05:40 PM
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Originally Posted by stark1jeff View Post

HIO Silver - I don't know if you're BS'ing me or if the dizzy hole up to the China wall is truck talk i just don't know about.

Not BSing... compare a 302 block vs a 351W block and you'll notice the vertical rib on the 351W.

Never heard of "China Wall" eh?

Dunno where the term originated to describe front and back sides of the lifter valley where the intake manifold is mated. But the term comes up when we recommend ditching the cork gaskets and just use RTV to seal off the valley.
 
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Old 01-18-2018, 05:52 PM
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The block casting number should be located as per the below picture. The numbers on the heads should be somewhere on the outside of the head below the valve covers, sorry, I can't find a good picture showing the location and don't know exactly where myself. Post those up and someone will be able to help identify approximately where and when the engine came from.

 
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Old 01-19-2018, 09:37 AM
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Thanks gents. I needed that visual Highboy thanks. I will be getting into it this weekend and see what I can find. I'll post pictures as soon as I have. Thanks for your help thus far.
 
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Old 01-19-2018, 12:15 PM
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Originally Posted by stark1jeff View Post
Dizzy, serpentine belt system and P/S pump not original for a 1976.

1977 was the first year that dizzy caps have male ends. The cap clips to a plastic adapter.

Ford C-II P/S pump introduced in 1978, has a plastic reservoir. The P/S pressure hose attaches to the pump w/a qwik connect fitting.
 
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Old 01-19-2018, 02:18 PM
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My first experience that I remember with the phrase was "China Rail" but it seems to me that at one point very early on I saw it spelled differently from the normal "China" that we think of. But that could be just a vague memory trick I'm playing on myself.

I started hearing it again on Wheeler Dealers when Edd would call it a China Rail.
I suppose it could be from someone thinking it reminded them of the Great Wall of China. Especially on some V engines that have extremely tall rails on the valley side.
But obviously I don't know where it came from originally.

Paul
 
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