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Thread: High perf. Pontiac "D" heads

  1. #1
    Vulture of The Western World Eric's Avatar
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    High perf. Pontiac "D" heads

    If you have a mid-late '70s Pontiac, it probably has D port heads - and as you know, these don't flow as well as the earlier round port heads (which also have larger exhaust valves). I came across an outfit - http://www.sdperformance.com/ - that specializes in porting stock cast iron D ports so that they flow as well or better than the factory round port heads, for a very affordable price (about $1,200 for a completed pair of heads, ready to bolt on).

    This seems like a great alternative to the much higher priced (and getting hard to find) round port heads - and also aftermarket aluminum heads, which work great but are obviously not stock.

    Check it out!

  2. #2
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    Re: High perf. Pontiac "D" heads

    Eric:

    Here's a link you might find interesting. Originally posted by Rocky Rotella...

    http://highperformancepontiac.com/te...nce/index.html

  3. #3
    Vulture of The Western World Eric's Avatar
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    Re: High perf. Pontiac "D" heads

    Quote Originally Posted by Rick
    Eric:

    Here's a link you might find interesting. Originally posted by Rocky Rotella...

    http://highperformancepontiac.com/te...nce/index.html
    Very cool; thanks!

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