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post #1 of 4 (permalink) Old 08-22-11, 05:30 AM Thread Starter
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428

I have just bought a supposedly 70 428 police interceptor engine. What can I do to verify this? It has a 4 brl intake on it.

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post #2 of 4 (permalink) Old 08-26-11, 12:18 PM
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post #3 of 4 (permalink) Old 08-29-11, 08:29 AM
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Re: 428

The 70 428 PI would be a 428CJ shortblock (4.13 bore and 3.98 stroke) with the stock CJ/GT cam, standard pass car C8AE-6090-H heads (2.02 - 1.55 valves) a 428 CJ cast iron C8OE-9425-C intake, Autolite 4100 carb (or holley but not certain which one) and log exhaust manifolds. In essence you can add a set of stock iron CJ heads (2.09 - 1.65 valves) and have a nice 428 CJ as is. Date codes would be in the 69-70 range depending on the month it was built. Even as is if in good shape it's a nice running engine if the budget does not allow new heads.
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post #4 of 4 (permalink) Old 09-12-11, 04:46 AM Thread Starter
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Re: 428

Thanks for the help! Its greatly appreciated.
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