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Old 03-24-2010, 12:20 PM
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1970 cars had a points ignition. If running a HEI you must ensure the thing is getting a full 12 volt power. if not replace the resistance wire between the distributor and fire wall joint.
Check the cylinder head casting number. LT-1 aluminum heads are GEN II design and are not compatable with a gen 1 block. (water passages) Which heads do you really have? casting number under valve cover.

get a timing light The carb's power valve diagram may be pouched. That will make it run real rich and foul the plugs. 750cfm DP carb use a 70pri 80sec jet and 6.5" power valve.

Last edited by F-BIRD'88; 03-24-2010 at 05:35 PM.
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