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2013-14 Shelby GT500
building the bottom end
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<blockquote data-quote="Catmonkey" data-source="post: 16488752" data-attributes="member: 124025"><p>The problem is the spray bore. In order for new rings to seat, they need a prepped surface to seat the rings. The spray bore may not be thick enough to run a hone down the bore, depending on mileage. Once you get past the plasma liner, you have bare aluminum which won't last long. The solution is to have the block sleeved. Sleeving the block should be a little cheaper than a new aluminum block, but the sleeved block can be honed or bored oversized in the future. However, sleeving your block might increase turn around and down time vs a stocked built short block.</p><p></p><p></p><p>Manley's I-beams are stronger than their H-beams for the Ford modular, just look at their website regarding horsepower estimates. You can't make a blanket statement that one is better than the other for all aftermarket connecting rods, because it varies from engine to engine, rod to rod and manufacturer to manufacturer. JDM contends the Manley H-beam is virtually indestructible in this platform. I'd discuss it with them. Changing to the I-beam will increase cost. When you look at Manley's power estimates realize the horsepower rating is n/a. You have to be spinning the crap out of the engine to hit those numbers n/a.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 16488752, member: 124025"] The problem is the spray bore. In order for new rings to seat, they need a prepped surface to seat the rings. The spray bore may not be thick enough to run a hone down the bore, depending on mileage. Once you get past the plasma liner, you have bare aluminum which won't last long. The solution is to have the block sleeved. Sleeving the block should be a little cheaper than a new aluminum block, but the sleeved block can be honed or bored oversized in the future. However, sleeving your block might increase turn around and down time vs a stocked built short block. Manley's I-beams are stronger than their H-beams for the Ford modular, just look at their website regarding horsepower estimates. You can't make a blanket statement that one is better than the other for all aftermarket connecting rods, because it varies from engine to engine, rod to rod and manufacturer to manufacturer. JDM contends the Manley H-beam is virtually indestructible in this platform. I'd discuss it with them. Changing to the I-beam will increase cost. When you look at Manley's power estimates realize the horsepower rating is n/a. You have to be spinning the crap out of the engine to hit those numbers n/a. [/QUOTE]
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2013-14 Shelby GT500
building the bottom end
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