not sure how to desribe it but the cleveland in ltd's were a standard engine that could be made to run like a scalded ape. they were inch wider on the intake manifold than the 302 and the 351 winsor hope this helps

 

Are you trying to determine WHICH 351C or IF it is a 351C?

One of the easiest ways on a stock engine to determine IF it's a 351C would be to look at the firing order and the block/water situation.

The Firing Order of the 351C is: 1-3-7-2-6-5-4-8. The #1 plug in the 351C distributor is normally located at the 7 to 8 o'clock
position as viewed from above/rear.

Here are some other Firing Order's.....

• Ford (5.0L HO, 351W, 351M, 351C, 400): Counter-clockwise 1-3-7-2-6-5-4-8
• Ford: Counter-clockwise 1-5-4-2-6-3-7-8

The Cleveland will NOT have a water jacket in the intake manifold. IE the hose going to your heater core will come from the water pump and NOT the intake manifold. I'm not sure on a 351 modified.

If you take off the heads, things become a little more obvious. The ports and valves on a 351C are quite large compared to a 351W.

I'm not near any resource material, but if you still need help I'll do some digging when I have time.

 

I know it is a 351c but what i'm wanting to find out is what the other numbers mean, and how to identify what heads are on it eg. 2v or 4v, i've had a couple of guys look at it & have told me different things, one guy even told me it was a nascar block, so i'm just trying to establish what i've got.

 

Gday Dave,

It would appear that the block you have (D AE-LA 3j7) was cast on September 7, 1973. There appears to be a number missing between the D and the AE, are there any other numbers you can find? It is likely that the R indicates that you have 4V heads :hy: rather than 2V and you should be able to see either a 2 or a 4 cast into the diagonal corners of the head, visible without removing the heads from the block.

Hope this helps,
Mark

 

I noticed that there is a number missing between the D & AE which i thought was odd, the only number i have found on the heads is the number 3 do i need to take the rocker covers off and look underneath?

 

Sounds more like you have a 351M/400 or a 400FMX. To determine if it's a C or M, measure across the flat area in the center where the intake sits. The measurement from head bottom to head bottom should be 7 inches for a 351C and 8.5 inches for a 351M/400. Also the bellhousing pattern will be a small block pattern (approx 6-7" at top two bolts) for a 351C and a 400FMX(ultra rare engine). The big block pattern is what the 351M/400 has and is approx 8 inches at the top 2 bolts of the bell. Now for the heads. If they have a 2 cast into the corner without a dot, they are 2v non smog heads. With a dot, smog 2v. Same goes for the 4v heads. No dot, more than likely closed chamber heads. Pull the valve cover for casting verification. Should be D0ZE or D0AE. With a dot, it will be open chamber heads with massive ports.

Hope I didn't overload you with info.

 

A 1974 Aust Ford LTD will be a 351 Cleveland
The heads will be 2V heads...not 4V

 

here's how to tell which Aussie heads are on your engine w/o taking them off

Ford Aussie 302C Heads - Clevelands Forever!