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07-20-2009, 11:36 AM
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Senior Member
 
Join Date: Jan 2009
Location: Austin, TX
Posts: 1,079
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HEI: Ignition box or ignition module
is an ignition box such as a MSD 6AL much better than a MSD ignition module???
OK my 388 does fine, but it doesn't want to rev past about 4500, I think its an ignition related misfire. (the valvetrain is the same from my old 355 except for a larger cam, and my 355 was fine up to about 5500rpm) I'm running a stock HEI and I need to upgrade. What is the best way to upgrade my HEI on a budget????? what about this?????? http://www.summitracing.com/parts/SUM-850030/
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