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Old 10-20-2018, 11:38 AM
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Tom Vaught Tom Vaught is offline
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That pretty much locks it in that it was the 465 HP Factory Holley Double Pumper for the engine, Skip.

So the rest of the info for you is:

Holley List #4493
454 Cubic Inch Engine
1970 Corvette
Chevrolet Number #3967487
Primary Metering Block #6203
Secondary Metering Block #6207
Throttle Plate Base Number #4485

Skip, this would have been the same basic carb as a later #4780 Double Pumper Aftermarket Carb. Also about 800 cfm.

Tom V.

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