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Re: weak 428

October 26 2008 at 7:02 AM
67StangGT  (Login 67StangGT)
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Response to weak 428

Start with one thing at a time. I agree with the others above. You must get the distributor working correctly. Having only 10 degrees advance will make it a dog! Fix that first. You need a total of about 36 mechanical degrees, all in by about 3000 RPM. With a 13L arm in the distributor, you can start with initial timing at 10, and you should have 36 total at higher RPM. If not, it's not working.

Your set-up sounds well balanced, and should be a good performer. But I don't like the Edelbrock carb either. They're not bad carbs, but a Holley will out perform it. Are the throttle blades opening all the way when you floor it? You should check when the engine is off.

 
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