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If your building a 428 PI as close as possible to original spec it won't approach 500 hp. 425 hp is more realistic.
I have a detailed list on for all parts and components for a 427 SO. If interested let me know. They are fairly similar.
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Proud owner of a Shelby Cobra with body and chasis hand fabricated by Kirkham Motorsports instead of AC. Also the first and original CSX gashole member.
"Rangers lead the way".
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