![]() These Dart online head pages will decipher your serial number and tell you pretty much everything you need to know. You can do your own research to learn the cylinder head details by visiting and navigating to the tech section. With Dart Machinery cylinder heads, there is either an eight- or nine-digit serial number right on the very front face of each head. Those indicators are casting identifiers that typically won’t tell you anything. At this point, you can call the Dart Machinery tech line with your numbers in hand for more assistance in learning your block’s details.ĭon’t confuse the stamped numbers from the end-to-end of a cylinder head, and do not try researching any of the numbers cast into the material. This cap stamping is another source to identify the block, as well as ensure that each main cap is generally matched to your specific block. These identifying numbers, without the beginning or ending letters, are also stamped on the block’s main caps. The remaining number set on the stamping will provide much more detail. It will also identify the material (iron or aluminum, for example) and the dimensions of the entirety of the block. The first letter on the block’s stamping will identify its general layout dimensions and parameters as the block was originally machined, such as big-block Chevy, small-block Ford, etc. The second set of numbers on the opposite end will decode the year, day, and shift it was manufactured. One set of numbers identifies the head type when researched on Dart's paper or online catalog. This stamped identifier will generally begin with a letter with numbers following.Ĭylinder heads are easy to identify by locating the stamping on each end. Choose Group to View Small Block Engine Suffix Codes. For help go to engine Code help or engine decoding FAQ. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. That is typically located on the front face of the block. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. ![]() ![]() To identify a Dart block, the first thing you want to do is look up the stamping. For instance, let’s say you purchased a short block or engine manufactured by Dart and want a little more history. With their growing product lines, Dart Machinery, a Race Winning Brands Company, explains how you can identify their various components via their carefully orchestrated part number stampings. Stamped Numbers are a set of numbers literally stamped into the block. Here, Kevin Byrd authors various videos that help racers’ knowledge. If you want more specific information, you have to look at the Stamped Numbers. Since February 1998, we've had millions of page views! We appreciate the support and encouragement we have received from our visitors around the world for the past 20 years.Dart Machinery offers a wealth of product knowledge on its website and YouTube channel, titled Dart University. If you don't see what you are looking for, drop us a line in the forums, and we'll be glad to help. If you are driving a Ford, Mopar, one cylinder Junior Dragster, motorcycle or a boat, don't worry, there's still information here you can use. Since 2012, Mortec hosts free car mechanic forums, staffed by seasoned auto technicians with unmatched experience and a passion for helping fellow users. We are constantly adding new engine codes and auto parts to the site. Mortec also has information on Chevrolet V-8 bore and stroke numbers, GM crate motors, Holley carb tuning tips, and crankshaft journal sizes. We have detailed instructions about Chevy casting number locations and extensive notes about Chevy "mouse motor" and "rat motor" V-8 engines. ![]() Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. Small Block Chevy Suffix Codes: UTU - ZY. Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. Decoding small block Chevy engine suffix codes and stamped numbers: UTU - ZY. Join our Forums! Chevy Casting Numbers and more!
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