Workshop Walkthrough

Shovelhead top-end — animated diagram walkthrough

A step-by-step animated walkthrough of the Shovelhead top-end cascade — non-symmetrical cam-gear mark to the pinion, the era-gated head removal (cast-iron 75 → 34 → 14 N.m vs aluminum 61 → 30 → 14 N.m), the cast-iron-vs-aluminum concentric rocker-arm axial play check, the cam-chain tensioner plunger travel spec (5-8 mm at rest), and the cold valve clearance band that ties the 1966-1979 cast-iron era to the 1980-1984 aluminum head + 1340cc cambio.

Workshop Walkthrough

Watch each step animated on-canvas, then run the numbered steps below at the bench. Tap to pause; pinch to zoom when paused.

STEP 01

Step 01 - Drain oil and primary-case lubricant separately -- the Sh...

Drain oil and primary-case lubricant separately -- the Shovelhead shares no sump between engine and primary.

01/8

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Family reference

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