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School me on SBC-400 (Good engine-Bad engine)?
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<blockquote data-quote="Macman" data-source="post: 277490" data-attributes="member: 1879"><p>509's are the thinnest of the 400's. The ideal is 511 2 bolt then put splayed caps on it. The factory 4 bolts are ok caps just seem a lil weak, The next best block is the 817 block imo. I had a 408 that dynoed 682 to the real wheels in a lil s-10 back several years ago and never had any problems with it. I found out by sonic testing a few different blocks that some of the 511 castings were as thick as some of the aftermarket blocks.</p></blockquote><p></p>
[QUOTE="Macman, post: 277490, member: 1879"] 509's are the thinnest of the 400's. The ideal is 511 2 bolt then put splayed caps on it. The factory 4 bolts are ok caps just seem a lil weak, The next best block is the 817 block imo. I had a 408 that dynoed 682 to the real wheels in a lil s-10 back several years ago and never had any problems with it. I found out by sonic testing a few different blocks that some of the 511 castings were as thick as some of the aftermarket blocks. [/QUOTE]
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School me on SBC-400 (Good engine-Bad engine)?
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