VGEN V GARAGEGM GEN V LT · TECHNICAL REFERENCEBuild DatabaseAbout
Front view of a Gen V LT engine during assembly

CAMSHAFT · SERVICE GUIDE

Gen V LT Cam Swap Guide

A practical service workflow tying together timing, valvetrain setup, HPFP geometry, fasteners and final verification.
BUILT IN PUBLIC

The finished procedure will stay free. Completed reference sections are available now; unfinished sections remain clearly marked until the procedure and source trail are ready.

01

Parts, tools and replacement hardware

REFERENCE LIVE

One checklist for the cam, valvetrain, gaskets, sealants, fluids and torque-to-yield fasteners.

Open parts checklist →
02

Disassembly

IN DEVELOPMENT

Job order, access notes and the places where unnecessary teardown creates more work.

03

Camshaft and timing installation

REFERENCE LIVE

Timing position, phaser seating, correct early Gen V hardware and final verification.

04

Lifter, pushrod and rocker setup

REFERENCE LIVE

Cam base-circle method, zero-lash measurement, preload selection and rocker torque.

05

High-pressure fuel-pump lash

REFERENCE LIVE

Measure the installed cam and pump combination instead of choosing a lash cap from lobe percentage alone.

06

Oil pump, front cover and oil pan

IN DEVELOPMENT

Alignment, sealing surfaces, fastener groups and tightening direction.

07

Direct-injector resealing

IN DEVELOPMENT

Seal replacement, sizing, installation protection and checks before the rail goes back on.

08

Walbro pump in the factory bucket

IN DEVELOPMENT

A practical stock-module retrofit covering the pump, venturi supply, wiring and hose routing.

09

Fluids, first start and verification

IN DEVELOPMENT

Prime, inspect, start, monitor and recheck before calling the job complete.

Johnson lifters, gaskets and Gen V valvetrain parts prepared for assembly
Parts and hardware documentation
L86 installed with front accessory drive and intake manifold
Installed-system verification