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Cam help for a 502

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Old 11-14-2019, 03:41 PM
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Default Cam help for a 502

Hi all
from what I can find mercrusier used gm part #12551622

for the stock 415 HP motors
i found gm part #24502611 has sed in the 450 hp motors
has anyone used this in their efi mercrusier motor?

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Old 11-15-2019, 06:39 AM
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I have one, PM me
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Old 11-15-2019, 09:20 AM
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Smitty, can you install a GEN VI step nose cam into a MARK 4 block?
Thank you.
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Old 11-15-2019, 09:44 AM
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Originally Posted by GLENAMY 242SS
Smitty, can you install a GEN VI step nose cam into a MARK 4 block?
Thank you.
the answer is yes,just use a timing chain for a gen 6 engine.
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Old 11-15-2019, 11:41 AM
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Thanks
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Old 11-15-2019, 11:48 AM
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I found a Dennis More out of La sells tons of marine parts on EBay and has 100% positive feedback
he sells a custom ground cam for a gen 5 with the specs I think I’m looking for
he says no reversion and no ecm programming needed
this is the eBay item number if interested 312163846855
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Old 11-15-2019, 11:54 AM
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Does it, Cam, have a Mechanical fuel pump lobe? or you will need an electric pump on MARK 4 with relay and return setup.
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Old 11-15-2019, 11:58 AM
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110 LSA. Anybody have thoughts on this?
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Old 11-15-2019, 12:32 PM
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Originally Posted by GLENAMY 242SS
110 LSA. Anybody have thoughts on this?
My thought is I wouldn't run anything less than 114 with stock exhaust
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Old 11-15-2019, 12:34 PM
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My fuel pump runs off the sea pump
it doesn’t matter for my motor
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