Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
It's a 383. There should be a date above it, but I have seen with out. The -9 simply means it is the 9th revision of that particular casting.
See http://www.mymopar.com/index.php?pid=66 MM says: The block casting numbers for all RB, B, and LA engines are found on the left (driver) side of the block. In addition, on 1968 and later engines the numbers stamped on the lower rail of the engines right (passenger) side match the last 8 digits of the cars vehicle identification number.
Where did you find the #, on the pad under the distributor?
Here is another good read http://www.440source.com/blockinfo.htm