Harley Davidson Evolution Engine Upgrades

Displacement was 818 cubic inches 1340 cc and the engine produced 70 horsepower.

Harley davidson evolution engine upgrades. Full skirt CP pistons w 3mm oil ring. Baggers are meant to be comfortable on long distance mounts for mile after mile of touring. Also part of the engine redesign was better lubrication and a reliable ignition system.

The only way to validate what the performance gain was for any change is to have dyno runs before and after. Engine includes upgraded Screamin Eagle lefty crankcase bearing Screamin Eagle cam bearings and Screamin Eagle performance tappets to handle higher stress loads and performance upgrades. Absolute Best Upgrade for the Evolution Harley-Davidson - YouTube.

Twin Cam 88 95 96 103 and 110 CID engines Horsepower Gallery. We will disassemble clean inspect and then reassemble to your specifications. Complete Crate Engine Assembly Service - 93795 Labor Only Revolution Performance can build or rebuild your complete engine.

In the Big Twin models the Evolution engine was offered only in the 82ci size. Disassembly of the top end of the engine is required. Choice of throttle bodies extra.

This will get you into looking at copies of Harley parts books for your year. Why is it that we still look for ways to eke out one more horsey. These are the before runs of several bikes.

The following performance upgrades are proven dyno tested reliable means of increasing the output of your stock 80ci Evolution powered HD. It will also show you how it goes back together. RayWheeler has many years of experience with our 124 engine upgrades on the street and at Bonneville.