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Old 06-22-2010, 01:00 PM
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Default Cam question for water reversion

Hi I am getting a Gen VI 540 with Merlin Grumpy Jenkins heads and have a Hydraulic Roller cam that has these specs.

cam timming @50
duration 236 intake
duration 244 exhaust
lobe seperation 112
lift intake 610
lift exhaust 632

I have Imco Super flow wet exhaust. Will I have an issue with this set up.

Thank you in advance.
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Old 06-22-2010, 01:36 PM
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I would say probably not, but there are no guarantees. That is a Crane 741 cam. Plenty of people use that cam on 502-540ci engines. The Imco exhaust will most likely be the determining factor.
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Old 06-22-2010, 02:02 PM
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What HP will that cam make?
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Old 06-24-2010, 10:28 PM
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If you have the A Pipe you would be safer than the shorty riser Imco makes. I have a friend who has the Imco setup with the A Pipes with a HR cam with 240/248 duration @50 on a 540 with ported steel heads, with no probelms. His idle is set at 850 to 900......
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Old 06-24-2010, 10:31 PM
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Originally Posted by Floatindirty
What HP will that cam make?
It all depends on the heads, carb and intake. It could make 650 HP with a Pro Series Ported Aluminum Head.
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Old 06-24-2010, 11:14 PM
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Originally Posted by Floatindirty
What HP will that cam make?
580 with that cylinder head.
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Old 06-24-2010, 11:20 PM
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Originally Posted by Griff
I would say probably not, but there are no guarantees. That is a Crane 741 cam. Plenty of people use that cam on 502-540ci engines. The Imco exhaust will most likely be the determining factor.

I am with Griff...
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Old 06-25-2010, 11:07 AM
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I have the A pipe not the shorty, so I should be safe with that then. I will run the motor for a while and remove the manifolds and inspect before I go out and blow an engine.
Thank you all
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