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#1
06-06-2000, 08:30 PM
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I just came across a 455.It is got the code
WX which shows a 455ho.Is it a 4 bolt bolt main?
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#2
06-06-2000, 08:30 PM
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I just came across a 455.It is got the code
WX which shows a 455ho.Is it a 4 bolt bolt main?
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#3
06-06-2000, 10:03 PM
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Not to bust your bubble, but the WX code was used on the '75 1/2 455 & '76 455 4 speed T/A's. Neither year will be a 4bolt main or have outer holes drilled & tapped for 4 bolt caps on the center 3 mains. The 455 was quite tame in these years, though a "455HO" was used on the shaker, these engines were not near as strong as the 71 & 72 HO's. In earlier years (before most of the 455's were scarfed up), many of us avoided the '75 & 76 455's, but with the advent of aftermarket Pontiac splayed 4 bolt caps, this era of blocks has come into demand. However,the WX coded block would probably be best suited & prove marketable for restoration of a '75 or '76 455 T/A missing it's original block.
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