So it should all swap pretty easy if I buy heads and cams.
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Originally Posted by waynepaul
(Post 4620504)
I have all the sensors and harness off the 525 plus the ECU. I was thinking about the dart pro 1 heads. And as for cam I might as well change why I am in there. Any cam suggestions
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What he said * REmember the 525 is a really good motor and pretty damn durable, plus it usually made well over 525hp. avoid the 525 headers though,Im sure there is something comparable to the heads out there.
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We use the 525: system with great results. Dustin Whipple does our tuning. You should be able to use your stock heads, the intake is the limiting factor.
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OP has a carb 500 not 500EFI, does that make a difference to do a " bolt on" 525 EFI conversion?
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As said before. Strongly recommend checking with Mark at precision or Eddie young. Intake and injectors are a huge limiting factor to these engines. Save yourself time and money and listen to what they say and what packages they have made work.
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The 525 head is made for Merc by Edelbrock, really nothing special. The head off a hp500 carb is really pretty close. If he is going to keep it close to stock they should work ok. He will have to make a few spacers to get his belts to align because of the crank target wheel. Unless he has the newer version with it under the timing cover.
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Stock 525EFI cam will work well.
525EFI's are 525hp at the prop and dyno in the 560-570hp. I agree with talking to Young Perf or Precision Marine before you buy parts. They may have a parts list for a similar build and have a PCM tune ready. |
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