1972 Plymouth duster strait 6 firing order
a 2.76 or a 3.23.
a slant 6 does in fact have a timing chain but it rarely ever wear out, break, or stretch, because of the durability of a slant 6.
the 727 should bolt up to the 340. A 727 transmission from a slant 6 will not bolt up to a 340. Find one off of a 273,318, 340 or 360.
you don't have to but it's a good idea as a tranny from a V8 is stronger.
right above the dampener.
225 slant 6, 318 v8, and a 340 v8.
1 5 3 6 2 4
If your replacing a slant 6 with another slant 6 it will bolt right in.
The timing for the 1977 225 slant 6 cylinder should be set at 2 degrees before top dead center. This applies to both the manual and automatic transmissions.
depending on which engine you got the base swinger with the slant 6 was around $2,800.
Slant 6, 1-5-3-6-2-4 V8, 1-8-4-3-6-5-7-2