Convert HP500efi to 525
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03-18-2003, 05:38 PM
#2
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It would be pretty hard to my understanding, they have different eletrical systems and some other stuff
As for upping a 500efi to a 525 HP Arizona Speed Marine makes a kit for it, But I have heard it was not worth it, no noticable gain??
As for upping a 500efi to a 525 HP Arizona Speed Marine makes a kit for it, But I have heard it was not worth it, no noticable gain??
03-18-2003, 07:51 PM
#3
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I wouldn't see any reason to do so, totally different ignition, new exhaust, new heads, closed cooling, etc for 25hp? Recal the ECU and put a bigger throttle body for 20hp, it's a very little difference so might as well do it cheaper. You could even supercharge it for cheaper than converting, just run 1lb and you'll make 540-550hp 
Dustin
Dustin
