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Old 08-02-2004, 11:00 AM
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all there is is the short block, so if the older "good" heads wont work, i can't use it. i'm sure the heads & they use anen't worth a dime for 600 horse power like i'm wanting.

how can you tell the differance from all the blocks to know what it is? like the differance in a mark 4 & a mark 5 block?
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