Harley Davidson Evolution Vs Twin Cam

The old Twin Cam.

Harley davidson evolution vs twin cam. Perhaps we should first know what these units have in common. They are also called Evolution or Evo. As a result their design focuses on giving superb power accuracy and performance.

I am looking for a drop in cam without needing to alter the valve springs. Exhaust Systems Screamin Eagle Slip Ons SuperTrapp 2-1 Cycle Shack 2-2 Slash Cuts ThunderHeader Hooker 2-1. 2001 Harley Twin Cam B Softail Carbed complete 36k miles BlackChrome 1500.

Add that to an 8-valve engine with a 55mm throttle body flowing 50 more air than the Twin Cam and they were able to crank a lot more power out of the new engine. Its also a much larger displacement. The Evolution Evo engine is a V-twin engine that has been manufactured and used by Harley-Davidson since 1984 for a variety of different Harley motorcycle models.

This engine is not to be confused with the Sportster Evo same name different engine Twin Cam 1999-present There are 88-ci 96-ci 103-ci and 110-ci versions. So if the only thing gained was power the TC is a total fail. 1998 Harley Davidson EVO Motor Injected complete with 19k miles 1995.

Heres a look at the technical elements and developments that allowed the 88. The Twin Cam was designed to make factory assembly easier and of course cheaper at the cost of most of it being disposable rather than rebuildable. 2000 Harley Twin Cam A Touring Mikuni Carb Custom Air Cleaner 14k miles BlackChrome 1995.

Looking at the differences between the new Milwaukee 8 Engine from Harley Davidson with the old Twin Cam you begin to see just where the improvements where HD focused in on. Only the Twin-Cam has the crank-case to trans interface. It was made in the 1340 cc displacement for Harley-Davidson Big V-twins bikes replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4.