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  1. S

    what am i doing wrong?

    Is the intake holding it back?? That was a good dual plane in it's day but a performer RPM may work better with your heads and cam choice.
  2. S

    318 rebuild, whats the best combo?

    If you want performance on a budget you may as well start off with a 360. this would be much better in a street car. There is no substitute for cubic inches.