Quote:
Originally Posted by 67GTO4SPEED
The 481X is BBC based, but it is a billet block, billet head combo rated up to 5,000HP. It has become the go-to engine for a lot of racers because of the availability of parts, and price. It is probably the most mass produced billet engine out there.
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Thank you very much for that. I wanted to know what it was based on, its origin.
I like to talk engines and would rather ask the fine folks here than just do a internet search.