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Old 01-14-2005, 03:41 PM
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pontiac 350 timing issue

I'm running a 350 from a 71 LeMans in my 67 frebird. I'm using an HEI distributor. The problem I am having is the car has no power. I've had the engine on a timing light and it's running about 8 degress. Now this is my first pontiac engine, but I thought that the timing should be around 0 degress and advance. What I am seeing with the pontiac engine is that it is retarding to 0 degrees. Is this correct? Someone told me that the weights in the distributor may be wrong. For a 350 the engine is a dog!!

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Old 01-14-2005, 04:37 PM
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Do you have all of your vacuum hoses connected? No power at all or just at low end?
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Old 01-14-2005, 04:40 PM
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Eight degrees is respectable for a Poncho. Then it should advance to about 34-36 degrees total with Mechanical and Vac. hooked up.

Sounds like incorrect weights or bad vac. advance.
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Old 01-14-2005, 04:47 PM
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Sounds like someone put the weight kit in upside down. Last kit I got showed how to install for a Pontiac, opposite than a Chevy engine.
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Old 01-14-2005, 05:21 PM
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No power at low end. The engine runs fine, it just feels like I've running a 4 cylinder. All vacuum lines are hooked up correctly.
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Old 01-14-2005, 05:55 PM
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timing

AS Bobcrman said i would check total advance.Run rpm up to about 3800 and watch where the timing goes. If you have a light with a dial on back like snap on . You can run rpm up and turn dial untill you get to 0 on your timing mark then just read what the dial says for total advance.Should be 32 to 36 each motor has it's own sweet spot so some times you have to play with it a degree one way or the other.
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