engine specs

Discussion in 'Mustang II' started by admaster99, Jul 6, 2004.

  1. admaster99 Founding Member

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    Does anybody know what the stock bore and stroke of a 77 mustang 302 is? And what size of cylinder heads they had with the size of the intake and exhuast valves. Plus how accurate is the program Dyno2000 if anybody uses it. Thanks
    admaster99, Jul 6, 2004
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  2. cobraii351 Founding Member

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    Bore = 4.0" (stock)
    Stroke = 3.0" (stock)
    Chamber Volume varies with the actual date code of head but 77 heads "should" have 69cc chambers.
    All 302 heads (boss 302 excluded) use 1.78" intake valves and 1.48" exhaust valves.

    All measurements in inches.

    Tim
    cobraii351, Jul 6, 2004
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  3. 1badII Member

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    I've heard the Dyno 2000 program isn't accurate at all.
    1badII, Jul 6, 2004
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