1966 Mopar 273 2bbl Intake Casting Nos

James L Miller · 03-03-2017, 01:16 AM

I -emailed the Division 4 tech (Trey). They left off the 2bbl casting numbers for 1966 and 1967. This is what I got back.

The Engine Blueprint Guide will be updated to read intake manifold casting number for 1966 Dodge 180 hp 273 cubic inch engine will be: 2536560.

Now, I had looked through the other years of 273s and some 318 engines and found these casting numbers:

1968-9 273-2 intake casting number 2536559
1969 318-2 intake casting number 2468960
1970-2 318-2 intake casting number 2951185,3698431
1973-on 318-2 intake casting number 3698431

My question to those that may know about these things, are there two intakes with sequential numbers (559 and 560), or is one the casting number and one the part number? I know Chrysler usually had the casting and part numbers one digit apart for many parts back then. I let them know the casting number was missing on the 1967 blueprint spec as well. I'm pretty sure the 560 number is the service part number. I found that in a Larry Shepard book on SB Mopars and other places.

Jim

03-03-2017, 01:16 AM	#1
James L Miller Member Join Date: Apr 2005 Posts: 494 Likes: 6 Liked 25 Times in 16 Posts	1966 Mopar 273 2bbl Intake Casting Nos I -emailed the Division 4 tech (Trey). They left off the 2bbl casting numbers for 1966 and 1967. This is what I got back. The Engine Blueprint Guide will be updated to read intake manifold casting number for 1966 Dodge 180 hp 273 cubic inch engine will be: 2536560. Now, I had looked through the other years of 273s and some 318 engines and found these casting numbers: 1968-9 273-2 intake casting number 2536559 1969 318-2 intake casting number 2468960 1970-2 318-2 intake casting number 2951185,3698431 1973-on 318-2 intake casting number 3698431 My question to those that may know about these things, are there two intakes with sequential numbers (559 and 560), or is one the casting number and one the part number? I know Chrysler usually had the casting and part numbers one digit apart for many parts back then. I let them know the casting number was missing on the 1967 blueprint spec as well. I'm pretty sure the 560 number is the service part number. I found that in a Larry Shepard book on SB Mopars and other places. Jim __________________ Mopar 2 Ya! Last edited by James L Miller; 03-04-2017 at 03:02 PM. Reason: Minor corrections.