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Chevota1974 05-19-2007 01:35 PM

MSD Street Fire HEI trouble
I just bought a new MSD Street Fire HEI distributor for my mild 350 SBC. It's running perfect under 3500 rpm. When the engine is under a load, over 3500 rpm, it's missing a lot. It was running fine with a stock GM HEI that I had on it. The GM HEI was my brother's so I had to give it back to him.

Any ideas on what might be causing this? It's not fuel problems because it was running fine before.

Chevota1974 05-19-2007 04:18 PM

Well I think I need lighter springs. I don't think I'm getting enough advance quick enough. I reinstalled a stock gm hei for now and it is working fine. I don't understand why MSD would sell a dizzy that has less advance than a stock hei.

docvette 05-19-2007 04:29 PM

Doc here, :pimp:

Try here:


Doc :pimp:

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