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06-30-2019, 06:57 PM
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Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Replacement Exhaust manifold plug size
Truck is a 1968, C20 with the factory 396. Left exhaust manifold cracked so I bought a replacement and installed it. The new manifold has the AIR holes and the large threaded home near the exit point. I have straight pipe plugs in the 4 AIR holes, and that works great.
Any idea what size and thread the hole is near the exhaust exit? Posted via Mobile Device |
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