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Old 04-02-2025, 03:21 PM
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napster napster is offline
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Default New Engine Combo for 1978 S/E

Wondering what you guys think about the following combination for an upgrade to one of my 1978 S/E T/A’s. I will be using Items I have instead of going out to purchase new aftermarket parts.

Current combo – 406 CID W72 block, Edelbrock performer intake, XE 274H-10 cam, Forged pistons, forged Eagle H-beam rods, Stock crank, 6X#4heads with port match and cleanup of bowls, 9.45 to 1 compression, D port Doug’s headers. Horsepower is 370 -380.

New combo – same 406 CID W72 block, 234 factory intake manifold, Butler RA IV roller cam. Same rods, pistons & crank. RAII heads, round port Doug’s headers, 10.25 to 1 compression.

Cam specs – https://butlerperformance.com/i-3164...tegory:1234841

Estimated HP 450.

Let’s hear it.

Thanks in advance.

Repost of items in street section.

 


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