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Pontiac timing Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting Heath Smith New User Jul 15, 2007, 8:20 PM Post #1 of 4 (1612 views) Pontiac timing Sign In I need some help. I am overhauling a 3.4 v-6. During reassembaly, I set the cam in time with the crank according to what mark I can find on the crank gear. The mark is very faint. After I install the push rods and the rockers the engine locks up. Remove the rockers and it free's up again. I put a screw driver in the plug hole, and slowly brought the number 1 piston to the top, and then realigned my marks on the cam gear, installed the chainand rockers. Locked up again. The old and new cams are the same, everything else is right back where it came from(rockers,push rods, and lifters). The cylinder that I am using as number 1 is the left front one(as you are standing at the rear of the engine, facing forward). It is also the one that is stamped number 1 on the lower intake manifold. Does anyone have any ideas as to what I am missing? DanD Veteran / Moderator Jul 16, 2007, 5:12 AM Post #2 of 4 (1609 views) Re: Pontiac timing Sign In This might help; #1 while standing at the back of the engine looking forward, would be the right front cylinder. Dan. Canadian "EH" Heath Smith New User Jul 16, 2007, 7:17 AM Post #3 of 4 (1605 views) Re: Pontiac timing Sign In on my intake it is stamped left fronttried it both sides withthe same result DanD Veteran / Moderator Jul 16, 2007, 2:42 PM Post #4 of 4 (1602 views) Re: Pontiac timing Sign In Check the push rods; intake and exhaust are different lengths. Dan. Canadian "EH"   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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