Stock Magnum heads vs Aluminum edelbrock heads

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Slantsix64

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Hey guys was wondering how much hp and torque I could gain going from stock ported magnum heads with upgraded springs to edelbrock heads!

The camshaft is mild 220@50 .479 lift

If I would do this I would probably use a 236@50 duration with .550 lift camshaft grind or something along those lines.

This is just a guesstimate throwing a idea out there!
 

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