WebApr 27, 2016 · Engine codes for these motors look like this; LM7, LM4, L59, LQ9, and so on. LS engines can have an aluminum or an iron block. LS engines are ALL considered small blocks. Though some have a big-block displacement, like the LSX 454 crate engine (Exception being the 8.1 Vortec which is a big block). There are two very different … WebNov 4, 2012 · Re: 454 block #3963512 dated "A 4 71".. i need more informat. Well, from the Engine Casting Number and Date Code you have, we can tell; Engine Casting Number - 3963512 - This engine was manufactured from 1969 to 1971, as either a 427 or 454 COPO (see note below). Date Code - A 4 71 - A = January, 4 = fourth day (of January), 71 = 1971.
How To Identify Your Chevy Engine Block With Casting Numbers
WebTypes of Big Block Engines. Chevy Big Block engines are a series of large displacement engines including: 348 ("W" series only) 366, 396, 402, 427, 454, 502 and, most recently, the 572. The first series was the "W" … WebMar 29, 2024 · So out with it and back to what is suppose to be under the bonnet/hood...454. Oh yes and forgot to mention block casting is 14015445, I believe if I … john cowles ceo
Chevy Identification Numbers - 73-87
Web454: 4-Bolt DRCE-2 Olds "9.5"" deck" 24502504: 454: 4-Bolt Gen-5 Bowtie Short deck: 14096859: 502: ... The casting number 3855961 is associated with a variety of … WebThe block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. This ledge is below the deck of the block and the ledge … http://crateenginesupplies.com/454-engine-block-numbers-location/ john cowsill children