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Ilmor Marie Engine

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Old 06-03-2009, 09:52 AM
  #11
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[QUOTE=TCBoss302;2879422]
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Originally Posted by Uncle Dave View Post
Ilmor is the sheite my friend.

As for the hours supposedly ilmor hasnt received engine 1 yet back for a freshening. 3-400 estimate on a 625 with only fluid changes. Its closed cooled.

My 710 gets 2.4 MPG and pushes my 27 ft boat 90MPH

Ilmor is one of the finest engineering companies on the planet.

Ilmors record speaks volumes more than me or anyone person on this or any boating site.

They idle like kittens and scream like 2 stroke dirt bikes.

Uncle Dave,

Can you comment on Ilmor price vs. Mercruiser? Ilmor 710 vs. 700 mercruiser? Thanks!
You said you were buying 600 not 700 ?
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Old 06-03-2009, 11:28 AM
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[QUOTE=gnorthga;2879433]
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Originally Posted by TCBoss302 View Post

You said you were buying 600 not 700 ?
I think the poster is looking at a boat w/625's in it already.

When I priced out my boat I looked at bot the merc 700 and the Ilmor and Lavey would have built the boat with either for the same price.

The 700 merc would have come with an NXT
The ilmor came with a teague platinum and an ITS

I love my Merc products and have nothing bad to say about them, they have been good to me for decades and Ill continue to consider them every time based on a lifetime of love.

What I really liked about the ilmor was 2 things

No blower- Ive had a lifetime of f-ing with blowers and cleaning belt dust from my engine compartments, I know how good the new injected blower rigs are but it is what it is.

About 150-200lb lighter. - Ilmor is all aluminum

One downside was that the Ilmor had no NMEA 2000 compliant computer- they have addressed that with the 725.
Other considerations for me were-

Teague 800 - no fresh water cooling
Raylar 750- incredible beast -& the best looking package available - awesome but rare.

Ill never take anything away from any of these other fine marques, and simply feel after owning and using one now for about 40 hours that Ilmor is among the best in every category.

No one should shy away from an Ilmor powered boat.

UD
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Old 06-03-2009, 11:42 AM
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Does anybody know how long the valve train typically lasts?
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Old 06-03-2009, 02:16 PM
  #14
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I suppose I'll jump in here. My 2007 710 has 117 hours, 93 mph in a 24 Lavey bowrider. I have done NOTHING to the engine but oil and filters. I have an IMCO SC which is a nice piece but just a glorified XR. My normal deal is to trash 2 drives each year and all I've done to the drive is change the fluid at 25 hours. That is to say, the Ilmor is not hard on drives either due to the peak torque at 4500 or so rpm. I've run the engine hard (6300 rpm) for an hour at a time and it likes it. I've run at 2500 rpm for hours and my wife and the engine have both liked it. It is preforms perfectly throughout the usage range.

The only thing I could say about the 710 that I don't like is that I don't have any chance to do stupid experiments with various parts like I've done with BBC's. I guess I'll have to be content to not being broken.

My next rig will have one or two of these 700's in it.
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Old 06-03-2009, 02:38 PM
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[QUOTE=gnorthga;2879433]
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Originally Posted by TCBoss302 View Post

You said you were buying 600 not 700 ?

That was before you sent your boat to Fountain and became a member of the triple digits club.
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Old 06-03-2009, 08:00 PM
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Originally Posted by Wildman_grafix View Post
Does anybody know how long the valve train typically lasts?

I don't know of a single valve train issue - whats the skater guy got 800 hours now?

Other than a bad batch of valve springs once they traced and fixed on their dime sending ilmordude (I think it was him at least on the west coast) to peoples houses! (Jeff at laveycraft confirmed this with me)

Its a hydraulic roller (the 710 is never looked at the others but Id guesss they would be) so its always adjusted- no valve maintenance.

If you had the money today- and asked Ilmor to create an brand new engine that would win Indy (or any other motorsport) next year - they could and would do it.

You just have to spend the money.
They have the technology- in house.

These guys have VERY few peers and more degrees than a Russian protractor.

UD

PS: Yes - I ripped off Quents paint scheme
(before you guys scanning the sites doing research call me on it )
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Old 06-03-2009, 10:00 PM
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[QUOTE=TCBoss302;2879701]
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Originally Posted by gnorthga View Post


That was before you sent your boat to Fountain and became a member of the triple digits club.
The fountain looks great TC, sounds like its got a tweak or 2,these 700's can make huge beans when leaned on just a bit.

I bet its a blast to drive.

UD
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Old 06-03-2009, 10:03 PM
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[QUOTE=Uncle Dave;2880073]
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Originally Posted by TCBoss302 View Post

The fountain looks great TC, sounds like its got a tweak or 2,these 700's can make huge beans when leaned on just a bit.

I bet its a blast to drive.

UD
oops founatin in the avatar looks great Gnortha

UD
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Old 06-03-2009, 11:44 PM
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Quote:
Originally Posted by Raylar View Post
The guys at Ilmor build a fantastic powerplant, great power, reliable, great looks and wonderful after sale support. Their new drive is a beautiful part also. You could not go wrong with an Ilmor package!

Best Regards,
Ray @ Raylar
I'll go half and half...two of your 750s and two of their drives in a 3100 American Offshore. You win they win I win!
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Old 06-04-2009, 08:28 AM
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Quote:
I don't know of a single valve train issue - whats the skater guy got 800 hours now?
800 hours on a 700 HP motor, that is very good no matter how it has been run.
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