proper timing btdc

  1. AyWoSch Motors

    Proper timing for 454 BBC?

    Hello there. I have a 454 big block with a few modifications in my 75 K5 and was wondering what proper timing should be. It's a 74 block out of I believe an old impala wagon. It was rebuilt in the mid 90s, but no major performance parts were added. I bought it last year, and right now it...

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