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Skipa
11-17-2010, 07:45 PM
Can anyone please provide the torque for the Ilmor engines? The DAB application incorrectly lists the compression as the torque, and does not have a compression listing. Thanks in advance.

DooSPX
11-17-2010, 08:10 PM
There is already a discussion on this, only a day or so old.

Skipa
11-17-2010, 09:00 PM
Thanks. I looked at the Ilmor HP thread, and it provides HP, but not torque. My math is not so hot, so I was hoping someone could provide the torque #.

DooSPX
11-18-2010, 09:24 PM
I could of sworn there was a post or two with the torque numbers. Well, I should say, perceived numbers... I really do not think that anyone knows the exact numbers, that the engines dyno'ed. For some reason, Ilmor is being very secretive about their engines for this class.

One thing I have learned over the years of building and dynoing engines, the math formula to derive TRQ is only a good guess.

1redTA
11-19-2010, 08:14 AM
I could of sworn there was a post or two with the torque numbers. Well, I should say, perceived numbers... I really do not think that anyone knows the exact numbers, that the engines dyno'ed. For some reason, Ilmor is being very secretive about their engines for this class.

One thing I have learned over the years of building and dynoing engines, the math formula to derive TRQ is only a good guess.

Doo what :-)? HP is a function of torque. Torque is measured on a engine dyno by a load cell or on a chasis dyno by how fast you can spin a known weighted drum. F=MA

Jim@BAWS
11-19-2010, 10:25 AM
Indmar

5.7- 230KW
6.0- 284KW

ILMOR

5.7- 239KW
6.0- 285KW*
6.2- 321KW

*- denotes that the ILMOR has been recertified at 285KW and the new certificate should be up on the CARB website soon.

NOTE: The HP conversion is KW x 1.34 = HP rating.

cbryan70
11-19-2010, 11:01 AM
so the MCX is about 308hp....I always thought with CARB motors they had to be within a certain percentage of the actual HP listed?

DooSPX
11-19-2010, 12:27 PM
Doo what :-)? HP is a function of torque. Torque is measured on a engine dyno by a load cell or on a chasis dyno by how fast you can spin a known weighted drum. F=MA

I know bud.... I should have worded things completely different... the math that people try to do to get est. hp or trq numbers...

the dyno is the only way to know the numbers....
I was really tired last night when I wrote that :rolleyes: a 14.5 hour day will do that to you :rolleyes: I need a few drinks and a vacation now and its only 12:30. LOL :D

rgardjr1
11-19-2010, 01:52 PM
the new certificate should be up on the CARB website soon.

Here is the CARB website for those interested.

http://www.arb.ca.gov/msprog/offroad/cert/cert.php

BIGBADBLUE
11-19-2010, 03:29 PM
Indmar

5.7- 230KW
6.0- 284KW

ILMOR

5.7- 239KW
6.0- 285KW*
6.2- 321KW

*- denotes that the ILMOR has been recertified at 285KW and the new certificate should be up on the CARB website soon.

NOTE: The HP conversion is KW x 1.34 = HP rating.


Does anyone know the HP of RTP? Trying to see the differences between the Ilmore 5.7l and the RTP I drove and skiied.

corey
11-19-2010, 03:32 PM
The RTP does not have catalytic converters and is not subject to CARB testing so no dice there. If you are ordering a boat better hurry, no RTP after December 31!

BIGBADBLUE
11-19-2010, 03:49 PM
The RTP does not have catalytic converters and is not subject to CARB testing so no dice there. If you are ordering a boat better hurry, no RTP after December 31!

Not ordering the RTP ... just wondering what the HP was on it. FOr comparisons to the new Ilmor I am ordering

rgardjr1
11-19-2010, 04:28 PM
Not ordering the RTP ... just wondering what the HP was on it. FOr comparisons to the new Ilmor I am ordering

From what I remember the RTP has been advertised at 310 HP and the MCX at 350 HP. Based on the CARB numbers the Ilmor 5.7 has more (9*1.36=12.06) HP than the MCX according to the equation earlier in the thread.

BIGBADBLUE
11-19-2010, 04:33 PM
From what I remember the RTP has been advertised at 310 HP and the MCX at 350 HP. Based on the CARB numbers the Ilmor 5.7 has more (9*1.36=12.06) HP than the MCX according to the equation earlier in the thread.

Perfect ... thanks

TayMC197
11-19-2010, 05:25 PM
I know bud.... I should have worded things completely different... the math that people try to do to get est. hp or trq numbers...

the dyno is the only way to know the numbers....
I was really tired last night when I wrote that :rolleyes: a 14.5 hour day will do that to you :rolleyes: I need a few drinks and a vacation now and its only 12:30. LOL :D

Whatever Doo, just admit your stupid!!! I am too but I'm ahead of you since I admit it already!! :uglyhamme

Skipa
11-19-2010, 05:59 PM
Thank you for all the input on HP. Maybe I'm just not getting it, but what is the torque of the Ilmor engines? If the Ilmor has 4% more HP than Indmar, does it necessarily have 4% more torque? If not, does anyone know the torque curves of the Ilmor?

Bottom line, why buy an Ilmor if the HP and torque are identical if it costs several $$$ more?

jason95gt
11-19-2010, 06:44 PM
Comparing a 5.7 MCX to the 5.7 MV8 and LY6 to the 6l Ilmor the pricing is within hundreds. If the hp and torque numbers were the same, the motor itself is still more fuel efficient and engineered better. Things have been though out a lot more with Ilmor.

DooSPX
11-19-2010, 06:51 PM
I never said I was the smartest person... :D just got luck that ones I have built did okay... lol