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041x heads
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  1. Hotrodding Basics
    Hi everyone. I have a set of 041x heads on my destroked 400sb I didn't build the motor so I don't know much about it other then it's a destroked 400 that's been bored .40 over. Makeing it a 385? It also has flat top pistons in it. My question is would I make more Torque with the flat tops or...
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