Timing

Hellrats said

Oh and by the way that cam does like a looser converter too

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Here is what you need.Contact 4 seconds flat.They make custom dizzy bushings for MSD and similar dizzys.They offer a 10 and 14 degree set.I use them in all my engines.Set initial timing to 22 with the 14 piece for 36 total.
Much better fuel burn and response.Much less raw fuel at idle.Using the 10 degree bushing may strain your stock starter.My engines,a 340 and also a 0.60 over 360(371) fire up instantly and will cold idle.