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Old 30-06-2007, 08:57 PM   #1
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Ilmor Engines

Does anyone have any information or experience with Ilmor engines.
Having read about the P1 boat King of Shaves running these engines they seem like a good alternative to mercruisers. Infact some of the american forums are saying there better.
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Old 30-06-2007, 10:09 PM   #2
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Same as the viper motor, I wasn't keen on it in my viper ali heads and block with liners.
Might be OK when they are new but I think the big block is a more robust motor just look how long its been around!
The v10 has a odd sound to it not as meaty as the v8 sounds a bit wimpy.
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Old 02-07-2007, 03:34 PM   #3
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Express Engines in Florida have just rebuilt a 550hp Ilmor with 350 hours use on it,the only reason it had a problem was because the boat builder had not supported the tailpipes sufficiently,this allowed the header to crack dumping h20 onto the piston,you can guess the rest,the other engine is fine.The other benefit is the weight saving,approx 330 kgs for the engine alone.The engine builder Mr John Kaeserman reported that internal wear was minimal & that he was impressed with the ease with which the engine could be worked on & it went on to dyno 551hp.
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Old 25-07-2007, 12:48 PM   #4
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Ilmor V10

I've had quite a bit of experience with the Ilmor Viper V10s having raced them over in the USA last year and am now running them in the King of Shaves-Fountain Worldwide entry in this season's Powerboat P1 series.

I would suggest that anyone interested in usuing them for pleasure or racing should visit www.ilmor.com and download the information available.

If you then want to purchase either a 550, 625 or 7-10, then send an email to chris@proveeoffshore.com and we can then work out the best deal for you.

And for whoever said the engine sounds 'wimpy' must have a hearing disorder.
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Old 25-07-2007, 02:32 PM   #5
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After running his turbines, he probably does.

Quote:
Originally Posted by Chris Witty View Post
And for whoever said the engine sounds 'wimpy' must have a hearing disorder.
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Old 25-07-2007, 08:58 PM   #6
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500hp de-cated straight through pipes +200 shot Nos, still didn't sound as good as a blown big block in my opinion.

Although they are a neat looking motor especially in marine trim.

Have the marine version got forged piston? as the 2001 on vipers went over to cast to get away from cold startup piston slap.
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Old 29-07-2007, 01:55 AM   #7
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200 Shot of NOS!!:O
On a car thats already got 500hp!!!
...I WANA GO!!
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Old 29-07-2007, 08:12 AM   #8
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Main advantages of the Ilmor over a big block like mercury are the torque (loads more in the Ilmor), less weight and no engine sensors. Good old fashioned dials instead!
Mercury sensors are a nightmare if you're racing!!
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Old 29-07-2007, 10:31 AM   #9
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Seem to remember OSG saying a simple engine is the way to go, take it there compressed Stirling engine is relatively simple with a carb instead of injection with far fewer sensors, with the compressor allowing much greater torque over a wider rpm ... I would imagine the Sirling and Ilmor are evenly matched for torque.... Mercury quote... The state-of-the-art Mercury PCM 03 microprocessor controls the air/fuel ratio for each cylinder independently, producing a consistent and clean burn. In addition, the PCM03 optimizes spark timing for superior running quality and overall performance... that's got to be super annoying when you are racing and it calls time out hope it does not fail you for Cowes
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Old 29-07-2007, 10:47 AM   #10
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Quote:
Originally Posted by Mikey View Post
Main advantages of the Ilmor over a big block like mercury are the torque (loads more in the Ilmor),
What is the torque curve like in both of the engines? This I don't know and would like to know.
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