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Originally Posted by 88 coupe
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I've seen similar numbers for Olds motors, but I'm curious as to the source of the chart. Some of the items just don't make sense. For example, 69 W-31s and 69 455s don't have aluminum intakes, so are these really 70 numbers or aftermarket intakes? Also, if you believe a big block aluminum intake is worth 35 lbs per the chart, why would a windowed 79 350 with iron intake be 46 lbs more than a 69 350 with aluminum intake? Since the difference in the block weight is in the 25 lb range for an SBO, the aluminum intake on the 69 should make the weights a wash. I guess we don't really know what "dressed" means - full accessories?