Harley Davidson Evolution Engine Tuning

These modifications will provide from 60 to 80 horsepower at the rear wheel of a late model 80 CID Harley-Davidson big twin Evolution engine depending upon the condition of the engine and the components used.

Harley davidson evolution engine tuning. Best Auto Tuner for Harley Davidson Reviews in 2021. Free breathing air cleaner. Vance.

Vance. Motorcycle Performance Guide is now providing tuning information for Harley-Davidson Twin Cam 88 and EVOLUTION engines. Valves valve springs and valve seats.

With that said a Stage 1 upgrade consists of the following. This simple procedure is a great Harley tech tip that applies to all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetorEarlier models equipped with the older butterfly style carbs pre-89 Evos Shovelheads Pans and Ironheads. Not bad for the relatively investment in time and money required to get these results.

R. All the parts listed below are traditional Stage One components. TTS MasterTune Single Bike.

Stage OneHarley-Davidson engines involve no. For Twin Cam 88 engine information look for the TC88 label next to the horsepower number. The V-Twin Motorcycle Performance Guide is your source of information to build tune and maintain high performance Harley-Davidson street and racing motorcycles.

Some special tools and knowledge of engines is required to perform stage two modifications. It also makes a great diagnostic tool that can save you money when you figure what a dealer charges you to just plug your bike into their computer. Stage 2½ CNC-ported heads.