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10-31-2008, 11:35 AM
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CC Member
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Join Date: May 2000
Location: Northern VA,
VA
Cobra Make, Engine: Classic Roadsters
Posts: 2,765
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Not Ranked
I guess what i don't get is that we have a huge argument about if you can build a 582 from an FE or not:
http://clubcobra.com/forums/showthre...threadid=91730
And then you see an 815 CI engine. What do they use a Mack Truck block ??? 
Obviously not, but then what ????????????????
.
__________________
LIFE IS TOO SHORT TO WORRY ABOUT GOOD GAS MILEAGE
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Utinam logica falsa tuam philosophiam totam suffodiant!
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10-31-2008, 01:07 PM
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CC Member
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Join Date: Apr 2003
Location: ATL-SAV,
GA
Cobra Make, Engine: Yard Dog FFR 521, 572 Fire Ant Mongrel Cobra 393, 566, Boss 600 hemi , RCR40 #13 348
Posts: 158
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Not Ranked
They are custom aluminum blocks with wider bore spacing and higher deck. With hemi heads, the 815 is 36" wide and much taller than a 460.
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10-31-2008, 01:52 PM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Quote:
Originally Posted by CobraEd
I guess what i don't get is that we have a huge argument about if you can build a 582 from an FE or not:
http://clubcobra.com/forums/showthre...threadid=91730
And then you see an 815 CI engine. What do they use a Mack Truck block ???
Obviously not, but then what ????????????????
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Hi Ed, If I am not mistaken, The max you can safely go with an aftermarket 427 block (Pond, Genesis, Shelby) is 542. The max on a factory FE is 482 & it has to be a true 428 stamped service block. Not just a service block with the extra webbing but a stamped 428 service block with the thicker cylinder walls. The max on a Ford 385 series block is 815 & they are run by the Top competitors in NHRA & IHRA producing about 9000 hp.
Come to think of it, I wonder how they Dyno them?? 
Just my 2 cents.
Regards,
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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10-31-2008, 03:37 PM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
Quote:
Originally Posted by Fordzilla
The max on a Ford 385 series block is 815 & they are run by the Top competitors in NHRA & IHRA producing about 9000 hp.
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9000 HP ??????????????????
Try about 1800 to 2000 HP in a Top Sportsman car.
What class in NHRA allows an 815 cu in motor?
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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10-31-2008, 03:56 PM
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CC Member
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Join Date: Feb 2001
Location: St. Louis, Missouri,
MO
Cobra Make, Engine: SPO 2715
Posts: 1,648
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Not Ranked
Quote:
Originally Posted by wtm442
9000 HP ??????????????????
Try about 1800 to 2000 HP in a Top Sportsman car.
What class in NHRA allows an 815 cu in motor?
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Top Fuel, and on a good day Top Alcohol get up to 8,000 hp @ 456ci?
456ci is tops right?
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10-31-2008, 04:49 PM
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Senior Club Cobra Member
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Join Date: Mar 2000
Location: St. Augustine,
FL
Cobra Make, Engine: E-M / Power Performance / 521 stroker / Holley HP EFI
Posts: 1,944
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Not Ranked
Here's a bit of info about top fuel from Kenny Bernstein's web site:
Quote:
Engine
Supercharged 500 cubic inch TFX aluminum hemi V-8 block
Bore & Stroke
4.19 x 4.50 inches
Horsepower
7,000 to 8,000
Acceleration
Zero to 100 miles per hour in .8 seconds
Zero to 275 miles per hour in 3 seconds
Zero to 330 miles per hour in 4.5 seconds
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I understand they can go 0-60 in one car length...
Here's the pro stock mountain motor info from Jon Kaase's site:
Quote:
815 Cubic Inch Pro Stock Ford HEMI Engine
1700+ horsepower
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Since the deck height is much greater than the production block based engines, you could probably fit one of these in a Cobra if you moved the hood upward by about a foot...
__________________
Wells's law of engine size: If it matters what gear you're in, the engine's too small!
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10-31-2008, 05:08 PM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Quote:
Originally Posted by Great Asp
Top Fuel, and on a good day Top Alcohol get up to 8,000 hp @ 456ci?
456ci is tops right?
E
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Hi E, Yes, Top Fuel. Tony Schumacher runs 500 cubes. I'll try posting a link to a good read. I don't know if it will be a hot link or if you have to copy & paste into your search engine.
http://www.edmunds.com/insideline/do...ticleId=120159
Also, I think the Pro Stock & Pro Mod classes run 815 cubes. Anyway, The Top Fuel & Pro-Stock/Mod engines are incredible & huge dollars. Just to stand next to one when it's launching is an experience all by itself.
Regards,
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
Last edited by Fordzilla; 10-31-2008 at 05:13 PM..
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10-31-2008, 05:42 PM
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Senior Club Cobra Member
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Join Date: Jun 2007
Location: Covington,
wa
Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
Posts: 3,029
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Not Ranked
All Pro classes in the NHRA are limited to 500 CI engines.
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10-31-2008, 06:14 PM
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Senior Club Cobra Member
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Join Date: Mar 2000
Location: St. Augustine,
FL
Cobra Make, Engine: E-M / Power Performance / 521 stroker / Holley HP EFI
Posts: 1,944
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Not Ranked
Quote:
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All Pro classes in the NHRA are limited to 500 CI engines.
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Correct!
Sorry to confuse by not being more specific: IHRA allows "mountain motors", currently topping out around 815 cubic inches
__________________
Wells's law of engine size: If it matters what gear you're in, the engine's too small!
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