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The Terminator
Terminator Talk
Ford 5.3 big bore stroker
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<blockquote data-quote="SlowSVT" data-source="post: 15324373" data-attributes="member: 20202"><p>Ed to me is more like a: "Ford Technical Service manual or the "Dear Abby" of reciprocating combustion engines" with legs. I occasionally catch him on an technical snafu or a philosophical blunder more commonly but other than that he's a pretty sharp guy. I talked to him regarding his post on the origins of the 5.3 Boss based long block from Ford which appears to have legitimacy though the extent of the quality issues associated with it is not what one would expect from an OEM. As Ed put it: "the 5.3 LB is not sourced from a tier 1 supplier".</p><p></p><p>I think for a "no holds barred" mod motor a stock stroke and bore 4.6 is the way to go. The Boss block is good for a moderately boosted street motor or weekend racer, a stroker if want the most displacement out of the engine where longevity is a secondary consideration.......nothing wrong with that if you are willing to accept a few compromises along the way I've never heard of a mod motor stroker living much past 50K miles before the piston skirts start showing the side effects of getting pulled so far out the bottom of the bore.</p><p></p><p>Ed and I tossed around the idea of installing a 4.6 crank in a 5.4 block with longer con rods which would make for a bottom end that could be revved to the moon. Kellogg actually listed a de-stroked crank which could take the engine well past 10K rpm but they never actually made one and for obvious reasons......... if we only had the time and resources to play all those games *sigh* :nonono:</p></blockquote><p></p>
[QUOTE="SlowSVT, post: 15324373, member: 20202"] Ed to me is more like a: "Ford Technical Service manual or the "Dear Abby" of reciprocating combustion engines" with legs. I occasionally catch him on an technical snafu or a philosophical blunder more commonly but other than that he's a pretty sharp guy. I talked to him regarding his post on the origins of the 5.3 Boss based long block from Ford which appears to have legitimacy though the extent of the quality issues associated with it is not what one would expect from an OEM. As Ed put it: "the 5.3 LB is not sourced from a tier 1 supplier". I think for a "no holds barred" mod motor a stock stroke and bore 4.6 is the way to go. The Boss block is good for a moderately boosted street motor or weekend racer, a stroker if want the most displacement out of the engine where longevity is a secondary consideration.......nothing wrong with that if you are willing to accept a few compromises along the way I've never heard of a mod motor stroker living much past 50K miles before the piston skirts start showing the side effects of getting pulled so far out the bottom of the bore. Ed and I tossed around the idea of installing a 4.6 crank in a 5.4 block with longer con rods which would make for a bottom end that could be revved to the moon. Kellogg actually listed a de-stroked crank which could take the engine well past 10K rpm but they never actually made one and for obvious reasons......... if we only had the time and resources to play all those games *sigh* :nonono: [/QUOTE]
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Ford 5.3 big bore stroker
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