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Cobra Forums
2013-14 Shelby GT500
Just got a motor build quote and have questions
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<blockquote data-quote="Bad Company" data-source="post: 15726569" data-attributes="member: 141815"><p>The problem with the stock or SCJ cranks is once you step up to the 4.0L or larger superchargers you take a much larger chance of breaking the crankshaft snout. This is aggravated by bouncing the engine off the rev limiter. The harmonics in the crankshaft of mis-firing cylinders while under full engine load is exasperated while trying to turn a larger supercharger. This only induces more stress into the crank snout. The Whipple 4.5L due to its size and mass has the reputation of breaking crank snouts during hard shifts</p></blockquote><p></p>
[QUOTE="Bad Company, post: 15726569, member: 141815"] The problem with the stock or SCJ cranks is once you step up to the 4.0L or larger superchargers you take a much larger chance of breaking the crankshaft snout. This is aggravated by bouncing the engine off the rev limiter. The harmonics in the crankshaft of mis-firing cylinders while under full engine load is exasperated while trying to turn a larger supercharger. This only induces more stress into the crank snout. The Whipple 4.5L due to its size and mass has the reputation of breaking crank snouts during hard shifts [/QUOTE]
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2013-14 Shelby GT500
Just got a motor build quote and have questions
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