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Old 10-27-2020, 05:13 PM
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Default Mercury blue 502
Has anyone heard of this engine, supposed to be a blue 502 vs the black 502 with a bigger cam and more HP ??
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Old 10-27-2020, 08:02 PM
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HP500 carb
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Old 10-28-2020, 07:10 AM
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Early on was the 502/465 hp carb. Flat tappet like 559/571 lift. Early 90’s black.

Not sure any help but...

Last edited by getrdunn; 10-28-2020 at 07:15 AM.
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Old 10-28-2020, 07:54 AM
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Originally Posted by Boatally Insane
NO its EFI
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Old 10-28-2020, 08:06 AM
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Are you asking about a blue version of the 502MPI ?
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Old 10-28-2020, 08:11 AM
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Originally Posted by SB
Are you asking about a blue version of the 502MPI ?
Thats my understanding, Ive seen blue 502 MPI's but figured they were just painted from black
Last edited by F-2 Speedy; 10-28-2020 at 08:17 AM.
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Old 10-28-2020, 08:29 AM
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You mean one of these?


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Old 10-28-2020, 09:21 AM
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I’ve seen a purple one in a ‘95 Formula 272 Indy Edition that I believe Lingenfelter had their hands in (aside from the stock intake which is their design) straight from the factory.
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