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07-20-2013, 10:37 AM

sbf

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Need input

Iron 370 vs aluminum 376.i no there's a weight difference but is there any hp or torque difference with same heads cr etc

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07-20-2013, 12:22 PM

batboy

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The 376 is a LS3? If you plan to boost it, go with the iron block. The LS3 might need a lot of extra work/parts if you plan on putting it into a gen III car.

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07-20-2013, 09:30 PM

sbf

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It's going in a foxbody with nos

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07-21-2013, 07:08 PM

batboy

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If you plan on a big shot, the iron block is stronger and will handle a power adder better. I would plan on forged pistons and ARP rod bolts at a minimum.

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