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CC Advertisers
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11-26-2007, 11:02 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,453
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Not Ranked
Quote:
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Originally Posted by 427supr
I got on the stroker heaven website. They have a 351/434 stroker kit using a Scat crank with a 4.000 stroke. Seems it would be safe to put this kit in my stock SVO block, being that it is at the 4.000.
www.strokerheaven.com |
Can't be done with a stock block. To get 434 cubes with a 4.0 stroke, you'de need a 4.250 bore. Good luck getting that out of a stock block. That's the max recommended bore for a Dart block. |
11-27-2007, 05:14 AM
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CC Member
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Join Date: Jan 2007
Location: Chesterland,
oh
Cobra Make, Engine: Superformance #046 Dart 427w
Posts: 76
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Not Ranked
You guys were all belly aching about going over the 4.000 limit on a stock block. I find a 351/434 with a 4.000 stroke and now it the bore size. What's next, the spark plugs won't fit. I'm just kidding! Thanks for the info, I probably go with a 408.
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11-23-2007, 08:40 PM
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CC Member
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Join Date: Dec 2002
Location: Chicago 'Burb,
Il
Cobra Make, Engine: SPF#1245 w/ 1966 427 SO
Posts: 1,167
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Not Ranked
427supr: Hey, everyone has a story - some good and some bad from over-boring a stock block. -I'm just going by what most builders I know "recommended" to me when I was looking at smallblocks a few years ago. Sure, I thought it would be nice to be able to say I had a "427" under the hood, but as soon as you open it, it's easy to see it's not an FE.
I'm just saying, why take the chance when you can get 500+hp out of a 408?
Last edited by TerrysSPF; 11-23-2007 at 09:01 PM..
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11-23-2007, 09:09 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,605
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Not Ranked
For high RPM, HP longevity you need the rod ratio to be 1.6 or better , which depends on your driving style. If you like to Rev your motor ,like I do an undersquare motor with good Rod ratio is niceeeee!!!!
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11-23-2007, 09:58 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Two words............Rod Angle!
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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11-24-2007, 04:45 AM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
TerrySPF is telling it like it is. Keith Craft can build you a 408 street motor with 535 hp for "about" $9000 + -.
If you want a fast street car then the 408 is a great choice. If you want to say 427 then you need a FE.
Dwight
I tried to post a pic of KC 408 but the gallery says I'm over quota. I removed about 10 pics but it will not let me upload more.
The motor is a thing of beauty.
Call Keith!
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
Last edited by Dwight; 11-24-2007 at 04:52 AM..
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11-26-2007, 07:52 PM
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CC Member
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Join Date: Dec 2002
Location: Chicago 'Burb,
Il
Cobra Make, Engine: SPF#1245 w/ 1966 427 SO
Posts: 1,167
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Not Ranked
What, are you just looking for trouble?? Check out the bore on that kit, 427supr. You aren't going to be able to do that with your block.
I don't get it. Do you have something against a 408, or what?
I'm done trying to talk you out of doing too much. -Your money, your engine my man.
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11-28-2007, 04:17 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,453
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Not Ranked
No, I believe the SVO motor was based on the marine block. Essentially a heavy duty version of the stock block. 427 is about the max cubes for that engine.
http://www.mustangandfords.com/techa...ine/index.html
Like I said, I'm not afraid of a stock block 427 stroker. As long as you keep a good oil supply and keep the rpm's below about 6K it'll be fine. |
11-28-2007, 04:38 PM
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Senior Club Cobra Member
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Join Date: Jun 1999
Location: Dublin,
CA
Cobra Make, Engine: TBD
Posts: 1,298
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Not Ranked
Yo 427,
I second, third etc. the opinion that a new block is the way to go. I went with the Dart Aluminum for my GT40.
Here's a pic......Oh yeah Webers too.
And a stroked 351 to 418 with downstacks, fuel injection etc. for the Daytona...
The Daytona engine was and is scary fast 560 HP 580 ft. lb. torque, the GT is a work in progress but, I have high hopes.
TR
Last edited by Tony Ripepi; 11-28-2007 at 04:47 PM..
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11-28-2007, 04:55 PM
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CC Member
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Join Date: Jan 2007
Location: Chesterland,
oh
Cobra Make, Engine: Superformance #046 Dart 427w
Posts: 76
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Not Ranked
That's a beautiful engine. I going to play it safe and go with the Ford 408. An Eagle 408 kit can be bought for around $900.00. That to me is affordable HP.
My wife finds beauty in jewelery. I find beauty in car parts. God definitely created men and women different.
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11-28-2007, 05:23 PM
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CC Member
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Join Date: Oct 2006
Location: Pewaukee,
WI
Cobra Make, Engine: Midstates chassis, IRS, 408W, Alu heads, Webers.
Posts: 14
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Not Ranked
427Supr
Good choice !!! It will be plenty of power and very dependable!! Although... I really liked the looks of that Dart Alum with webers....mmmmm How about a little less jewelery and a few more car parts.... Just kiddin. Let us know how it works out.
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