WebMar 29, 2024 · Pontiac originally used a dual valvespring package (left) on its V-8 engines. The single-spring pac kage found on this 400 (right) was a popular stock replacement that Crane Cams sold in the 1990s. Inspect … WebTighten the fixed timing chain guide bolts to 106 lb in. 20. Install the upper timing chain guide and bolts. Tighten the upper timing chain guide bolts to 89 lb in. 21. Reset the timing chain tensioner by performing the following …

Mailbag: Troubleshooting Timing Problems on a Pontiac 400 Engine

WebDec 12, 2010 · Joined Nov 22, 2009. 534 Posts. Discussion Starter · #1 · Dec 5, 2010. I am doing a top end rebuild of my Pontiac 400 and have a few questions. The engine is in the car. No racing for this engine it's just a weekend street car. I have the heads, intake manifold, valley pan and timing cover removed. The timing chain is way to loose so it gets ... polyhedron polyhedra

PONTIAC 6.6L/400 Timing Covers - Summit Racing Equipment

WebJan 15, 2024 · To remove the spark plug, insert a spark plug socket and a ratchet into the first cylinder. To rotate the crankshaft in Step 3, grab one of your fingers and pull it across the hole in the spark plug. This article will walk you through the steps of setting timing for your vehicle’s engine. If you are dissatisfied with the DIY method, you ... WebFind PONTIAC 6.6L/400 Timing Chain and Gear Sets and get Free Shipping on Orders Over $109 at Summit Racing! Celebrate Car Care Month With Savings! ... Timing Chain Set … WebInstalling a timing chain and gear set on a 78 pontiac 400 engine. Block came with parts but was not assembled. Have seen info that says set cam gear at 12 o''clock/ crank at 12 0''clock. Also seen gears set with cam at 6 o''clock and crank at 12 o''clock. What is proper indexing of the timing gears for this engine? shani bensman-correa