Intake Manifold Calculator
Calculate optimal intake manifold dimensions
Engine Specifications
Optimal Runner Length
25.5"
For peak torque at 6000 RPM
Runner Specifications
Runner Length25.5"
Runner Volume32.8 ci
Runner Diameter1.28"
Runner Cross-Section1.29 sq in
Additional Specs
CFM Required608 CFM
Plenum Volume350 ci
Recommendation:
Single-plane manifold recommended
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.