C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Header Primary Size Question.

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Old May 3, 2018 | 02:48 PM
  #1  
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Default Header Primary Size Question.

85, 355 Vortec W mild cam. Not looking to build a race car.

A few years ago I got a deal on some Hooker, Super Comp, headers with 1 3/4" tubes.. I know the smaller ones are better for torque production, and I like that because torque is fun.

How much will the larger primaries hurt torque production? Will I even notice? Should I buy a set with the smaller primaries?
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Old May 3, 2018 | 04:32 PM
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I doubt you would notice it. I never gave 1 5/8" a second thought on my original car, I went straight for 1 3/4"

If there was some specific reason I needed to optimize, or emissions, maybe.
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Old May 3, 2018 | 05:17 PM
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This ^^^

Go with the 1 3/4", heck, they will probably make more torque.
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Old May 7, 2018 | 05:51 AM
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You won't notice the difference, keep the 1-3/4 headers.
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Old May 7, 2018 | 05:59 AM
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I agree with everyone else. You won't feel the 1-2 horsepower or torque difference it may or may not have.
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