Pile of Parts
Posts: 46
Joined: Sat Dec 08, 2012 3:51 pm
RD Engine Cylinder Head Casting Numbers
For example: I have a RD372 in my R185. There is a number stamped right above the engine number on the upper left corner of the head. This number is 215 723 R1, and there is another number both cast and stamped on the head in the top upper right front corner of the head: 132 157 2D (I think). To confuse things further, I have a head off of a 501 parts engine but it has a 2-barrel carburetor. The number stamped on it above the engine number is 858 412 C3.
In the MT-105 parts books I have, the part number for a 372 head is 131 892 R21. In this same book the head part number for the 406, 450 & 501 head is listed as 131 893 R21.
I downloaded the engine information from Gangster Mike (thanks a lot!) and it shows the same part number for all the RD engines: 132 892 R41. It looks like this manual is newer than the MT-105 I've got.
My ultimate goal is to see if the recently rebuilt head on my RD372 will work on a short-block RD450 I'm either going to buy or build. It looks like it will from Gangster Mike's information. Thanks for any and all info. I searched previous topics in this forum and came up short.
Very confused Redk5guy