Any tips for preventing vacuum/fuel leaks after installation?
Documented on the Chevrolet Small Block 350 (sbc 350) build
Published April 27, 2026
Ensure gaskets are oriented correctly, surfaces are clean, and all vacuum lines and carburetor fittings are properly connected.
Full Answer
Ensure gaskets are oriented correctly, surfaces are clean, and all vacuum lines and carburetor fittings are properly connected. After startup, inspect for hissing or fuel smell and fix any leaking gaskets or fittings immediately.
Documented In This Build
Related Knowledge
What torque spec and sequence should I use for an SBC 350 intake manifold?What clearance issues are common on SBC intake installs?Do I need RTV sealant when installing intake gaskets?How important is degreeing the cam?What torque sequence and values should I use for SBC heads?How do I set lifter preload or hydraulic lash?What should I do to prepare the engine for first start and break-in?What torque should I use on the crankshaft bolt?
Related Parts
Intake manifold
$350
Intake manifold gasket set
$40
RTV silicone sealant (engine-safe)
$6
Intake bolts / studs & washers
$25
Carburetor (4-barrel)
$275
Related Tools
Torque wrench
Socket and ratchet set
Gasket scraper / razor
Shop rags / brake cleaner
Torque angle gauge or marking tool
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