Converting to 525's
#2
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First I think the Merc 525sc that you are thinking of is a 454 ci then add blower. I think you need to ask yourself how much HP do you want from your 502 carb, and if you really want a blower? Some engine builders offer packages to build your 502 up to around 600hp NA.
WILL
WILL

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Cheaper to add 525efi systems instead.I just happen to have to sets for sale in the swap shop.$6300 includeds shipping.The only thing i know you'll need is a fuel pressure sending unit.
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Originally Posted by docmanrich37
Cheaper to add 525efi systems instead.I just happen to have to sets for sale in the swap shop.$6300 includeds shipping.The only thing i know you'll need is a fuel pressure sending unit.
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Originally Posted by JohnnyMarshall
What does that all include? Thanks for the Help.
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I've got two 525 efi's long blocks 2003 with 201 hrs.
Ck the classifieds ! Rebuild 1 & buy the parts from docmanrich & you will have about 540 hp on 87 octane
LS
Ck the classifieds ! Rebuild 1 & buy the parts from docmanrich & you will have about 540 hp on 87 octane
LS
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Originally Posted by JohnnyMarshall
What does that all include? Thanks for the Help.
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Originally Posted by lucky strike
I've got two 525 efi's long blocks 2003 with 201 hrs.
Ck the classifieds ! Rebuild 1 & buy the parts from docmanrich & you will have about 540 hp on 87 octane
LS
Ck the classifieds ! Rebuild 1 & buy the parts from docmanrich & you will have about 540 hp on 87 octane
LS

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Originally Posted by docmanrich37
Lucky you should buy my systems and sale 2 complete motors.I'll give you a heck of a deal. 
