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Old 04-25-2023, 10:35 AM
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AG AG is offline
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Join Date: Feb 2000
Location: NH
Posts: 3,250
Default MSD Atomic EFI limitations

I'm working on a customers 1970 RS Z28 originally a 4 sp which now has a Blueprint Engines 600 Hp 496 ci BBC, Tremec 6 speed with an Atomic system on it. The system doesn't have a lot of tuneability and it's hard to get the IAC count dialed in. Is this system capable of handling 600 Hp? Don't have any experience with these systems.

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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule.