Mustang engine I.D. Help

[hunting4bear]

quick easy point pkrwud those are only difference in firing order switching those 4 wires. but i am seeing some funky casting number pointing to maybe hotrod may have a 351 not a 302 as he was originally told

I did find out some more info also if those numbers off cast are correct

HOTROD you said first 4 numbers off block were D8V8 could this be D8VE maybe well anyways
D = 1970's
8 = 78 - 79 production year
V= lincoln car motor was original being built for
E would be engine group (i show no 8 for 4th digit used in cast numbers in my info i have here in a book)

6015 is engine block

and the last 4 digit are design change data info


atleast we can help him in firing orders both ways weather its 302 or 351 :-)

i'm placing my beating money on the 351 for possible motor tho

[Rev]

My 351W heads have 351 in the casting underneath the valve cover. Look there to see if you have a 351W or not.

Rev

[PKRWUD]

Well, it's one of two firing orders, and if the one he's using now doesn't work, it would be simple to just swap those 4 wires and try the other. It won't cause any damage, and more than likely will get it running right.

Just a thought.

[hotrod5125]

Thanks guys for all your help, i will take the valve covers off tonite and see if the heads are marked for a 351. Then i will try changing the wires around.I did notice the other day when i had it running BUT not very well it GAS fouled the #2 and #3 spark plug really quick, i quess if the timing is off it is easier to gas foul the plugs.

Thanks Again
Steve Rushing
Ocala Fl

[Ieatcamaros]

If the motor runs right with the firing order of 1-3-7-2-6-5-4-8, does not mean that it is a 351. A 302 cam will fit in a 351 block. The 302 firing order was 1-5-4-2-6-3-7-8 up until 85. Then, when they introduced the HO's they went with the 351 firing order. The easiest way to identify a 351 from a 302 is to measure the intake between the heads. Or look at the block where the timing cover bolts to it right next to the head. If the head/deck is directly above the bolt, it is a 302 block. If there is about 1 inch of space between the bolt and the head/deck, then it is a 351. I hope I have shed some light instead of confusing you.

The above information simply: Measure the intake between the heads and determine the firing order. Remember the distributor rotates ccw. Post the results.

FWIW, it is a 78 block you are working with.

[hunting4bear]

very good point ieatcamaros like i had mentioned on cam deferences in first post but duhhhhhh never gave it a thought of other way around for cam switches . and thanks from me for the little tid bit on head/deck bolts i will remember that and yup i agree the cast numbers telling the tail of a 78 block what what i see.
i wil file that little info away for future reference on quick telltail signs for 351