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Chevy LS1 Intake Manifold Torque Specs and Sequence

Chevy LS1 Intake Manifold Torque Specs and Sequence with application boundaries, staged installation guidance.

Sources researched August 14, 2026·1 source reference·Print-friendly
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For the covered 2002 Camaro LS1 composite intake, tighten the manifold bolts in sequence to 44 in-lb (5 N·m), then repeat the sequence to 89 in-lb (10 N·m).

Application note: The two-pass chart is tied to the production 2002 Camaro LS1 intake. Truck manifolds, later LS revisions and aftermarket aluminum or fabricated intakes need their own instructions.

For the covered 2002 Camaro LS1 composite intake, tighten the manifold bolts in sequence to 44 in-lb (5 N·m), then repeat the sequence to 89 in-lb (10 N·m).

The two-pass chart is tied to the production 2002 Camaro LS1 intake. Truck manifolds, later LS revisions and aftermarket aluminum or fabricated intakes need their own instructions.

These are inch-pound values. Inspect the reusable-style port seals and manifold flatness, keep the ports clean, and never substitute 44/89 foot-pounds.

Chevy LS1 Intake Manifold Torque Specs and Sequence — TorqueSheet technical feature image
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Use the numbered map as an orientation aid only. The application-specific service diagram controls the actual bolt positions and stages.
WORKBENCH VIEW

Interactive 2002 Camaro LS1 5.7L V8 intake service map

SELECTED1Position 1 of 10
TS

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Use the numbered map as an orientation aid only. The application-specific service diagram controls the actual bolt positions and stages.

REFERENCE TABLE

Chevy Ls1 Intake Manifold Torque Specs

APPLICATION / ITEMSPECIFICATIONNOTES
Pass 144 in-lb5 N·m; exact sequence
Final pass89 in-lb10 N·m; repeat sequence
UnitInch-poundsNot ft-lb
Aftermarket intakeManufacturer procedureFactory composite chart may not apply

These are inch-pound values. Inspect the reusable-style port seals and manifold flatness, keep the ports clean, and never substitute 44/89 foot-pounds.

STEP BY STEP

How to use this specification correctly

  1. 01

    Identify the engine code, model year, casting, gasket and exact fastener kit before disassembly.

  2. 02

    Clean and inspect threads, bolt holes and mating faces using the component manufacturer's limits.

  3. 03

    Follow the exact staged pattern with the specified lubricant or sealant; record torque and angle completion.

Why 44 and 89 are inch-pounds

The LS1 composite manifold needs only 5 N·m on the first pass and 10 N·m on the final pass. In imperial units those are 44 and 89 inch-pounds—not foot-pounds. A foot-pound mistake can crush the composite bosses or pull threads.

Use a calibrated inch-pound wrench near the middle of its working range and complete the exact sequence at 44 before repeating it at 89.

Seal and flatness checks

Inspect every port seal, the manifold deck and the cylinder-head sealing surfaces. Keep debris out of the runners and confirm the manifold settles without harnesses or hoses trapped underneath.

Do not add sealant unless the exact procedure or replacement-manifold maker directs it. A pinched O-ring remains a leak even if the bolts are overtightened.

Why 2002 Camaro LS1 5.7L V8 identification changes the specification

The two-pass chart is tied to the production 2002 Camaro LS1 intake. Truck manifolds, later LS revisions and aftermarket aluminum or fabricated intakes need their own instructions.

These are inch-pound values. Inspect the reusable-style port seals and manifold flatness, keep the ports clean, and never substitute 44/89 foot-pounds.

Assembly controls that prevent false torque

  • Use the specified thread condition and lubricant.
  • Separate main bolts from small or special-position fasteners.
  • Use an angle gauge where torque-to-yield stages are specified.
  • Stop if a fastener reaches the setting before the joint seats normally.
!
Build-specific specifications take priority

Chevrolet 2002 Camaro LS1 5.7L V8 specifications can change by model year, engine, platform, wheel, and installed component. Confirm the VIN or engine identity, part numbers, fastener condition, and the current manufacturer instructions before service.

COMMON QUESTIONS

Chevy LS1 Intake Manifold Torque Specs and Sequence FAQs

What is the 2002 Camaro LS1 intake torque?+

Use 44 in-lb for the first sequence pass and 89 in-lb for the final pass.

Are those LS1 values foot-pounds?+

No. They are inch-pounds: 5 N·m and 10 N·m.

Can the intake bolts be tightened harder to stop a vacuum leak?+

No. Inspect seals, flatness and seating; overtightening can damage the composite manifold.

Does this chart cover an aftermarket aluminum LS intake?+

No assumption is safe. Follow the manifold manufacturer's fastener and gasket procedure.

SOURCE TRAIL

Technical sources

TorqueSheet favors engine- and component-specific manufacturer instructions over unsourced universal values.

1GM manuals and guidesOfficial GM model-year and VIN manual lookup.
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