Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - this could get ugly. pontiac/frankenstein
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Old 09-02-2012, 08:40 PM
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robhardy robhardy is offline
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well, if that's all right i stand corrected. again my question really is that if what i have turns out to be a 400 with 455 heads would that have been a simple "bolt on" change? i know the 455 and 428 have bigger journals than the 400. what about bolt patterns, water channels etc. then what about moving parts? again, i understand that the casting numbers will let me know what exactly is there. for now, i'm just trying to look ahead if it turns out to be a mess and i can't really find very much by doing general searches. if i were checking on differences between windsor blocks there would be a ton of information out there. i thought going into gm stuff would be simple since the sbc is so popular.
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