how much hp are the race 525's making?? who is building them??
#31
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Working with another engine builder right now on a 525 that should be finished this week, as soon as we get some number I will update you and let you all know. We will run it with a without the hot ECU and let u know how close they are. I tend to agree with Tyler, in the past we havent seen much change.
#32
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Just got done with one for a pleasure boat. 509, cam change, head change, 9.0 comp. plenum work. 636 at 5650. All that and the boat was 3 mph faster. Dam Sea Rays.
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#37
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#40
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With merc seals???? LOL