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Old 09-24-2010, 11:08 PM
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What heads to use on a 350

i'm building a 4 bolt main 350 for my nova and wanna push around 400hp would like to no a good set of heads to start with. if u wanna take it one step further and include specs for a good cam ie. lift / duration that would be very helpful.

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Old 09-25-2010, 03:58 AM
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Old 09-25-2010, 08:28 PM
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There are several choices for aluminum heads, but GM Vortec iron heads are usually one of the less expensive choices. If you take a look at combos 73, 78, 89, 99, 108, and 109, they all use Vortec heads and make decent HP. The last three of these combos exceed 400 HP, which seems to be what you want.

I'd also plan to use a hydraulic roller cam if possible, since you will need a fairly aggressive cam to get into the 400 HP range.

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