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New Edge Cobras
4.6 Rebuild or Coyote Swap?
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<blockquote data-quote="96dreamer" data-source="post: 16896420" data-attributes="member: 52560"><p>OP be weary of the internet advice. Not everyone's suggestions are realistic or necessarily in line with your expectations. </p><p></p><p>Are your goals rwhp or crank?</p><p></p><p>You mention the clutch and trans are getting replaced/rebuilt in either scenario so the cost is moot since they will bolt up to either motor. </p><p></p><p>You can rebuild the 4.6 pretty frugally if you choose. The block heads and crank are likely all reusable with little to no work required. Throw a set of boss rods and a budget forged piston and the car will make 600 crank hp all day with no issues. For a long reliable life do billet oil pump gears, the modified secondary tensioner, modified primary tensioners, upgraded timing chain pivot and billet tension side chain guides. The rest is your run of the mill rebuild parts. Any used blower kit will get you to 500rwp reliably. </p><p></p><p>With the coyote route you have to worry about accessories, exhaust, and how you're going to run it/ incorporate factory electronics. You still need to do the oil pump/ gears on them as well. Also unless you plan on boosting the 5.0 as well you are going to come up short on 500 rwhp</p><p></p><p>I would not for a second doubt the reliability of the 4.6 over the 5.0. Both are great platforms that will last for years with proper maintenance.</p></blockquote><p></p>
[QUOTE="96dreamer, post: 16896420, member: 52560"] OP be weary of the internet advice. Not everyone's suggestions are realistic or necessarily in line with your expectations. Are your goals rwhp or crank? You mention the clutch and trans are getting replaced/rebuilt in either scenario so the cost is moot since they will bolt up to either motor. You can rebuild the 4.6 pretty frugally if you choose. The block heads and crank are likely all reusable with little to no work required. Throw a set of boss rods and a budget forged piston and the car will make 600 crank hp all day with no issues. For a long reliable life do billet oil pump gears, the modified secondary tensioner, modified primary tensioners, upgraded timing chain pivot and billet tension side chain guides. The rest is your run of the mill rebuild parts. Any used blower kit will get you to 500rwp reliably. With the coyote route you have to worry about accessories, exhaust, and how you're going to run it/ incorporate factory electronics. You still need to do the oil pump/ gears on them as well. Also unless you plan on boosting the 5.0 as well you are going to come up short on 500 rwhp I would not for a second doubt the reliability of the 4.6 over the 5.0. Both are great platforms that will last for years with proper maintenance. [/QUOTE]
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4.6 Rebuild or Coyote Swap?
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