1-8-4-3-6-5-7-2
My 93' vandura has a 5.7 liter 350cubic inch engine.
hydromatic 400
On the back of the motor next to the transmition.
The ECM on the Vandura 2500 is under the Driver's seat.
1, 8, 4, 3, 6, 5, 7, 2.
18436572
If V* it is: 1,8,4,3,6,5,7,2
There are to sizes 110"and 125".
3254
.all I can say is my '92 2500 vandura has a 350 in and it does the job...don't know if all of 'em are the same size or not dt
4L80E is in most vanduras of one ton 2500 and below is 4L60E
The firing order should be 1-6-5-4-3-2.