Drag race - Kirkham 65 side-oiler vs Ferrari 458 italia

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View Poll Results: Who will win the race - March 8, LV Speedway
The 458 Italia is unbeatable, wins all 3	22	17.32%
The 458 Italia is beatable, and loses 1	37	29.13%
The 458 Italia is beatable, and loses 2 or 3	14	11.02%
The 458 Italia is beatable, but the Cobra's driver isn't good enough, so it loses all 3	31	24.41%
The Italia's driver messes up, so it loses at least 1	23	18.11%
Voters: 127. You may not vote on this poll

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#11 (permalink)

02-11-2011, 04:25 PM

RodKnock

Senior Club Cobra Member

Join Date: Feb 2007

Cobra Make, Engine: KMP 539, a Ton of Aluminum

Posts: 9,592

Not Ranked

Quote:

Originally Posted by KevinM

Blitz,

Your motor probably makes around 750 HP on an engine dyno with open headers. The sidepipes on these things are actually very inefficient in spite of how loud they are.

There have been a number of members here who have dynoed their high horsepower cars with and without the sidepipe mufflers. The usual power loss from the mufflers is in the 100 to 150 HP range.

Kevin

Let's not get carried away here. Does Dan's Kirkham have the new Cammer heads? How many 482's have dyno'ed at 750 HP? Zero, that I'm aware of. How many 482's have been dyno'ed over 700 HP? Zero, that I'm aware of.

Gary Sharapa has written that his Cobra with a Keith Craft 496 and a SOLID ROLLER cam made 523 rear wheel HP, 681 HP at the flywheel.

http://clubcobra.com/forums/showthread.php?t=107770

What cam and heads does Dan have on his Kirkham? If the shop claims 550 rear wheel HP, then what the heck is in there?

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