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Cobra Forums
2013-14 Shelby GT500
Can't stop thinking about cams. Advice wanted.
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<blockquote data-quote="Catmonkey" data-source="post: 15666259" data-attributes="member: 124025"><p>Everything that has been recommended is a preventative measure from possible engine damage. There are no guarantee's when you start upping the power with an otherwise stock engine. The upgraded secondary tensioners are the only items that could add a little additional power. I think anyone that wants a lot of cam overlap to sound like a hot rod is after a different dynamic than those pursuing more power. These cams typically move the power and torque curves up the rpm range to where max horsepower is at the failure point of the stock rods. If you keep the rpm down, you could possibly get away without some of these mentioned upgrades. But for about $150 for the upgraded secondary sprockets and chains, I'd still recommend that at a minimum. These components have to be removed to install the cams, regardless, so there is no additional labor involved. Same goes for the secondary tensioners and cam bolts. However, the upgraded components start adding up quick. There is nothing cheap about these engines.</p><p></p><p>The secondary sprockets and primary sprockets are powdered metal components. While they can take a good bit of abuse, the OEM secondary sprockets have been known to fail. You break a cam sprocket and you can count on bending valves and damaging pistons. Worse case would take the cylinder head and block and turn them into scrap in the process. You have to look at those optional parts as insurance. The stock camshaft is extremely docile and the stock timing components are engineered accordingly. It all boils down as to whether you feel lucky, because it is a crap shoot. You pays your money, and you takes your choice.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 15666259, member: 124025"] Everything that has been recommended is a preventative measure from possible engine damage. There are no guarantee's when you start upping the power with an otherwise stock engine. The upgraded secondary tensioners are the only items that could add a little additional power. I think anyone that wants a lot of cam overlap to sound like a hot rod is after a different dynamic than those pursuing more power. These cams typically move the power and torque curves up the rpm range to where max horsepower is at the failure point of the stock rods. If you keep the rpm down, you could possibly get away without some of these mentioned upgrades. But for about $150 for the upgraded secondary sprockets and chains, I'd still recommend that at a minimum. These components have to be removed to install the cams, regardless, so there is no additional labor involved. Same goes for the secondary tensioners and cam bolts. However, the upgraded components start adding up quick. There is nothing cheap about these engines. The secondary sprockets and primary sprockets are powdered metal components. While they can take a good bit of abuse, the OEM secondary sprockets have been known to fail. You break a cam sprocket and you can count on bending valves and damaging pistons. Worse case would take the cylinder head and block and turn them into scrap in the process. You have to look at those optional parts as insurance. The stock camshaft is extremely docile and the stock timing components are engineered accordingly. It all boils down as to whether you feel lucky, because it is a crap shoot. You pays your money, and you takes your choice. [/QUOTE]
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2013-14 Shelby GT500
Can't stop thinking about cams. Advice wanted.
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