13.3's to 11.8's to Forget it...

318willrun said

I think the best approach for me is to try the magnum heads with the 484 cam. Already have those pieces, so I spend nothing other than what's already been spent. Then add 3.23's and a converter. At that point, make a pass and see where I am. Then I'll know what I may need to buy to push towards 11's.

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Do you have the 3.23's already or do you need them?when you change gear it affects the converter. Some companies will tune it up for fairly cheap, but you still eat the freight both ways.

I have zero doubt that 284 cam will run in the 12.00-12.teens if the gear and converter. Port what you have, skip ANY dual plane intake and go.