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Which heads, 555 or 416 ?

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Old Mar 24, 2011 | 10:25 AM
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davidz's Avatar
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From: Mills River, NC
Car: '90 IROC-Z 1le
Engine: 350
Transmission: 700R4
Axle/Gears: 3.23
Which heads, 555 or 416 ?

Building an NHRA stock eliminator 305HO (L69)

I'm allowed to use either a 14020555 or a 14014416 head at 55cc's.

Which is the preferable head? Which will make more power?
Is there a difference?
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