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What stock heads had square vs round exhaust ports?

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Old Mar 11, 2002 | 01:42 AM
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Joel Geerling's Avatar
Joel Geerling
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From: Saint Louis, MO, USA
Car: 91 Formula
Engine: 305 TBI
Transmission: 700R4
What stock heads had square vs round exhaust ports?
Just curious.
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Old Mar 11, 2002 | 02:01 AM
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Tas
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L98s and LT1s have D ports, most aftermarket heads are pretty square. Vortecs are kind of square. Its hard to say exactly. D vs. non D ports would be a better question.
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