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496 hp upgrades- who offers them?

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Old 12-12-2006, 11:05 PM
  #31
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Default Re: 496 hp upgrades- who offers them?

Solid 3-4 MPH by adding CMI headers on single, 290 SC.
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Old 12-13-2006, 09:34 AM
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Default Re: 496 hp upgrades- who offers them?

Quote:
Originally Posted by boatfreak28
I installed a set of CMI tubes when they first came out last fall and did not see any change at all. I love the way they look and sound but I'm not sure that is worth $3500. I do understand how an engine must work as a complete package but I believed the hype that the tubes were something that this engine needed and so I parted with my money. I have talked to Raylar several times and would like to go that route but I'm not sure I'm keeping the boat. I do believe the Raylar 525 kit AND the CMI tubes would be the sh!t.

Boatfreak was that $3500 INSTALLED Just Curious....



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Old 12-14-2006, 11:10 AM
  #33
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Default Re: 496 hp upgrades- who offers them?

Quote:
Originally Posted by boatfreak28
I installed a set of CMI tubes when they first came out last fall and did not see any change at all. I love the way they look and sound but I'm not sure that is worth $3500. I do understand how an engine must work as a complete package but I believed the hype that the tubes were something that this engine needed and so I parted with my money. I have talked to Raylar several times and would like to go that route but I'm not sure I'm keeping the boat. I do believe the Raylar 525 kit AND the CMI tubes would be the sh!t.
Did you see any speed/ HP gain?????
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Old 12-14-2006, 11:15 AM
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Default Re: 496 hp upgrades- who offers them?

I think I may try this for next season, on my 2006 353Fastech, 496ho's B1X......CMI headers, new flame arrestors, a tweaked set of ECUs.........any thoughts?
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Old 12-14-2006, 11:27 AM
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Default Re: 496 hp upgrades- who offers them?

Quote:
Originally Posted by ericaull
I think I may try this for next season, on my 2006 353Fastech, 496ho's B1X......CMI headers, new flame arrestors, a tweaked set of ECUs.........any thoughts?
Who did your ECU's??
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Old 12-14-2006, 12:14 PM
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Default Re: 496 hp upgrades- who offers them?

Strip, Nobody did them yet.....I am THINKING of doing them over the winter, but I don't want to void my warantee......
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Old 12-14-2006, 01:38 PM
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Default Re: 496 hp upgrades- who offers them?

Quote:
Originally Posted by Strip Poker 388
Who did your ECU's??

I know Dustin can and is licensed to do them
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Old 12-15-2006, 12:58 AM
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Default Re: 496 hp upgrades- who offers them?

What's up with that Raylar 750??? How much would that cost compared to a 525???
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Old 12-15-2006, 01:16 AM
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Default Re: 496 hp upgrades- who offers them?

Quote:
Originally Posted by ericaull
Strip, Nobody did them yet.....I am THINKING of doing them over the winter, but I don't want to void my warantee......
If you "tweak" the ECUs, you will void the warranty. You can add the headers w/o automatically voiding the warranty, BUT, if Mercury can attribute any failure to the header and/or its installation, they will deny the warranty claim, and potentially void the entire engine.
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Old 12-15-2006, 04:35 AM
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Default Re: 496 hp upgrades- who offers them?

I think the Raylar 750 is a sleeper, great value, Ray has had his own 600 ci block made and is getting great hp and torque numbers, It is awesome looking and warrantied, give him a call, you might br suprised at how close the price is to a merc 525.
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