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PostPosted: Sat Apr 28, 2018 8:05 am 
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Location: Odessa FL, Blairsville GA
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I finally got a chance to pull a valve cover on my 400 block, 351C 4V headed drag racing motor, and it looks like it is what I was told. It has a roller cam and stud girdles.

The date codes I could find seem to be L8136? (attached) and there is another one at the back looks like 4L19?
These a re 4 dot heads. Can anyone tell if these are OC or CC from these codes.

Based on these parts on the engine, is it likely that this is a 600hp motor like I was told?
Is it possible to tell if this is a solid or hydraulic cam from these pictures?
Thanks.


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PostPosted: Sat Apr 28, 2018 2:50 pm 
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Your pictures aren't really clear enough to make any discernments.

On your second picture, look right above the front/top valve cover bolt hole and tell me if there's a "4" there cast into the cylinder head.

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PostPosted: Sat Apr 28, 2018 8:22 pm 
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Here are bigger pics. I thought I had to use small ones to get them to upload.
The heads have the 4 dot up in the front corners.
Thanks.


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PostPosted: Sat Apr 28, 2018 8:30 pm 
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Head cast numbers will be on the underside in the intake valley, so you can’t really come to any definite conclusions there.

I would not see the need for a stud girdle for a hydraulic cam, but I’ve seen stranger things.

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PostPosted: Sat Apr 28, 2018 8:54 pm 
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What about the 4L19 code back by the rear valves?
I think that is November 19, 1974. Someone at the other site said these could be service replacement heads or something, as they are after Cleveland production ended and could be D1AE-GA CC heads.
Dos that sound right?
Also, the dogbones have a ford part #.


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PostPosted: Sun Apr 29, 2018 6:02 am 
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4L19 is what you say it is.....1974. What you're saying about a service replacement seems plausible.

What are the dogbones you're referring to?

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PostPosted: Sun Apr 29, 2018 8:10 am 
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Brent I think he's talking about the push rod guide plates.


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PostPosted: Sun Apr 29, 2018 9:29 pm 
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Yes, those are the guide plates. I think they are Ford Boss 302 ones.
If I can find some headers that will fit this 64 Galaxie w a toploader, I will see what this engine is really capable of.

Someone familiar with this car said at one time it had 4V headers for a 70 Torino 4 speed about 20 years ago.

Hooker makes both Comp and Super Comp headers for this application. My concern is that this 400 block puts the exhaust up and out a bit.
I have heard that the Super Comp headers hang a bit lower, so would I need to spend the extra bucks and get those?
Thanks.


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PostPosted: Mon Apr 30, 2018 7:03 am 
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462ho wrote:
Attachment:
large 4.JPG
Attachment:
large 2.JPG
What about the 4L19 code back by the rear valves?
I think that is November 19, 1974. Someone at the other site said these could be service replacement heads or something, as they are after Cleveland production ended and could be D1AE-GA CC heads.
Dos that sound right?
Also, the dogbones have a ford part #.


4v closed chamber "Boss" heads were produced in several batches at least up until the early 1980's by Ford due to demand for them in NASCAR, USAC and other forms of racing. Back in 1980 Jack Roush charged about $6000 for a new set fitted with raised exhaust port plates, epoxy filled intake ports and titanium valves.
They also did this with the DOOE-R big Ford CJ heads and probably some others for the same reason.


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PostPosted: Mon Apr 30, 2018 9:37 pm 
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Headers - find a used cheap set if possible. Super Comps are big $ and your headers will be up and out about 1" compared to a 351C and a Torino isn't a Galaxy. One option will be to buy Super Comps for the Torino and have them modified as required. Otherwise, custom headers - about $1000 around here plus the power coating. Not even Tubular Automotive lists swap headers for a 351C in a Galaxy.

Cheaper, not Super Comps which is a better header:
https://www.jegs.com/i/Hooker-Headers/520/6920/10002/-1

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