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3782870 suffix ff ??

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Old 02-15-2007, 10:18 AM
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Lee H
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Default 3782870 suffix ff ??

I am working with a forum member on a possible engine purchase. We have not been able to determine what the suffix means. Can any one help me ID this engines original configuration. I have been to mortec and nastyz28 but could not find this combo. Thx, Lee


Casting number 3782870
Date code K4
Suffix FF.
Old 02-15-2007, 10:53 AM
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win1876
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I am going to guess that one of those stamps are a light stamp. Could it be an R ?
Old 02-15-2007, 11:03 AM
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Silver63
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I looked thru all my old Chev parts books. The closet thing for an 870 block is a 1965 Chevelle. They were stamped EE or EF. I agree with the previous post maybe it was a light stamp. The K4 date falls in line with this.

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