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Thread: HEI help please
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07-18-2009 #1
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- Join Date
- Jan 2009
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- IOWA
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- 9
HEI help please
I have a 496 BBC that I just put a new MSD high output HEI into. The engine cranks over but will not fire. I pulled a plug and it has spark and it has power to the distributor from the key. I am thinking that maybe there is a ground problem? I have aground strap from the battery to the frame and one from the frame to the motor. I used a test light to see if the dist. was grounded and as far as I can tell, it is. When I pulled that old hei out , I marked the position of the rotor and tried to get it lined back up when I dropped the new one in. If I have that position slightly off, could the plug wires be one position off and would that cause it not to fire. I tried to stay as low tech as could get with the HEI, but it still baffles me why it won't fire. Any help would be greatly appreciated.
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