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SVTPerformance's Chain of Restaurants
The Blower Bistro
Question about differences between Cobra and Lightning stock boost maker
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<blockquote data-quote="99riocobra" data-source="post: 10685834" data-attributes="member: 36825"><p>^ Your second statement is more the correct way of thinking of this. The eaton M112 displaces 112ci(1.835L) of air per revolution. The larger volume of displacement in the lightning vs the cobra means that each cylinder takes a larger volume of air to fill it, due to a longer stroke in the 5.4 in this case. Since it takes more air to fill the cylinders the supercharger needs to "send" more air compared to the smaller 4.6 to create the same amount of back pressure(boost). This is achieved by spinning the blower harder via the smaller pulley, the supercharger will displace more air per revolution of the crank in this case.</p></blockquote><p></p>
[QUOTE="99riocobra, post: 10685834, member: 36825"] ^ Your second statement is more the correct way of thinking of this. The eaton M112 displaces 112ci(1.835L) of air per revolution. The larger volume of displacement in the lightning vs the cobra means that each cylinder takes a larger volume of air to fill it, due to a longer stroke in the 5.4 in this case. Since it takes more air to fill the cylinders the supercharger needs to "send" more air compared to the smaller 4.6 to create the same amount of back pressure(boost). This is achieved by spinning the blower harder via the smaller pulley, the supercharger will displace more air per revolution of the crank in this case. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Question about differences between Cobra and Lightning stock boost maker
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