WebJan 11, 2024 · On external balance applications you will find a welded (or bolt on) weight affixed to the flexplate. Save for a few unique applications, such as the 400 small block, … WebOct 7, 2024 · A: An engine must be balanced to ensure smooth operation. Balancing an engine minimizes vibration which maximizes engine life. An engine can be balanced internally, externally, or using a combination of both. Balancing an engine requires offsetting the weight of the pistons and rods, which involves adding or removing weight from the …
What Flexplate LS1LT1 Forum
WebAug 30, 2024 · I have a 5.7 LT1 from a ‘94 Trans Am I want to mate it to a ‘79 TH400 transmission. ... The 454 external weight is greater than the external balance weight on a 400 small block, so each of these two engines call for a different flexplate than the internally balanced small block Chevy. WebJun 18, 2011 · "Some engines are even a combination of both: being internally balanced in the front and externally balanced in the rear! The most common example of this is the Chevy 350 (1 piece rear seal) including LT1. Regardless of how an engine is balanced from the factory any balancing method is acceptable as long as the required harmonic dampener … mock macaroni and cheese
How to Find the Right Flywheel and Flexplate for Your Engine
WebOct 7, 2024 · Internal balance, for the harmonic balancer, external balance for the flywheel flex plate such as 87-95 SBC including LT1 and LT4 Opti-Spark engines. Pictured is a 1986 … WebSep 16, 2024 · External Balance. If the crank's counterweights are too light, the engine must be externally balanced. This involves adding weight to the harmonic balancer and/or the … WebSep 18, 2024 · 1,156 Posts. #2 · Sep 18, 2024. A stock LT1 damper is neutral, aka zero, balanced. The stock motor is externally balanced from the flexplate/flywheel. Most 383 rotating assemblies are internally balanced so a neutral balanced damper & FW would be used. Sounds like the hub provided was for another body type (Y or B) as the hub depth is ... mock mac and cheese with cauliflower