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12-02-2006, 07:26 PM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Typical Power from 527 Aluminum FE?
What is the typical power from 527 (4.375 bore and stroke) Aluminum FE from Keith Craft?
I'm looking for answers from the owners of these engines.
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12-02-2006, 07:51 PM
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Senior Club Cobra Member
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Join Date: Aug 1999
Location: Carlsbad,
CA
Cobra Make, Engine: Previous owner of SPF#1938, with a Keith Craft 496ci Genesis 427 side oiler, 667 FWHP, 633 FWTQ, 560 RWHP, 550 RWTQ.
Posts: 1,302
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Not Ranked
__________________
Jim Woodard
Don't interfere with somethin' that ain't botherin' you none.
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12-03-2006, 12:38 AM
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CC Member
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Join Date: Jul 2006
Location: Ankeny,
Ia
Cobra Make, Engine: Hi tech 427 SC
Posts: 126
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Not Ranked
More than you could ever use-by quite a bit.
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12-03-2006, 03:52 AM
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Senior Club Cobra Member
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Join Date: Aug 2005
Location: Toronto, Canada,
Ont
Cobra Make, Engine: Shelby CSX 4995, Keith Craft built 427 SO
Posts: 1,168
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Not Ranked
Keith has estimated that my 427 (482) cast will put out in the area of 630 hp. I am sure that an all aluminum 527 will be putting out at least 700 hp, and as brettco said, "More than you could ever use!" I am trying to get Keith to build mine in the area of 500 - 550.  Really, in a car that weighs 2,500 lbs, do you honestly think you will be able to use 700+ hp? IMHO
__________________
"The 427 Cobra is easily the highest performance car ever sold for street use. A decent 427 - not the worst, not the best, will go from zero to 100 mph and back down again to zero in less than 14 seconds. All thing considered, you can put together a pretty good argument that the 427 Cobra is the ultimate performance car, judged on any basis you want to name." Taken from; Corvette, The Sensuous American 
Last edited by 427SnakeSC; 12-03-2006 at 03:56 AM..
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12-03-2006, 06:52 AM
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289 FIA Fan
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Join Date: Mar 2000
Location: Dallas,
TX
Cobra Make, Engine:
Posts: 462
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Not Ranked
rsimoes,
Why don't you want Keith's input - he builds and dynos them?
thorin
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12-03-2006, 09:51 AM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Quote:
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Originally Posted by Thorin
rsimoes,
Why don't you want Keith's input - he builds and dynos them?
thorin
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Perhaps my request came out wrong. I was not trying to avoid hearing from Keith. I was trying to avoid hearing people's guesses, that's all. I figured the owners would have dyno data. .
Oh yeah, I'm not looking for max HP, I'm just curious as to where the 527's end up in power. . .
Last edited by rsimoes; 12-03-2006 at 01:17 PM..
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12-03-2006, 02:17 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
What are you doing now Rob?
Didn't you just sell a 527ci FE and a Superformance Cobra?
You're worse than a woman.
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12-03-2006, 02:38 PM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Quote:
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Originally Posted by blykins
What are you doing now Rob?
Didn't you just sell a 527ci FE and a Superformance Cobra?
You're worse than a woman.
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I can tell you in private what's going on.
Last edited by rsimoes; 12-03-2006 at 02:48 PM..
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12-03-2006, 05:12 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
Shoot me an email.....
brentlykins@hotmail.com |
12-03-2006, 05:45 PM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Quote:
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Originally Posted by blykins
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I will this week. Long story. |
12-03-2006, 06:16 PM
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Senior Club Cobra Member
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Join Date: Nov 2006
Location: Charleston,
WV
Cobra Make, Engine: SPF 2592, Shelby alum. 527
Posts: 325
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Not Ranked
Quote:
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Originally Posted by rsimoes
I will this week. Long story.
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Hey Ron, would you mind copying me? I would love to know "the rest of the story"! You have my e-mail address.
Rodger |
12-04-2006, 06:02 AM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Quote:
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Originally Posted by blykins
What are you doing now Rob?
Didn't you just sell a 527ci FE and a Superformance Cobra?
You're worse than a woman.
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By the way, yes I did, but it was NOT a Keith Craft motor. |
12-04-2006, 10:12 AM
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CC Member
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Join Date: Jun 2006
Location: Carlsbad,
CA
Cobra Make, Engine: SPF, Ford
Posts: 9
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Not Ranked
FWIW, KCR built a 514 motor for me that made 765HP @ 7000, 700lbs @4500. It's an iron block w/ full mechanical roller and TWM stack indcution on top. The design goal was streetable power on pump gas so the cam is mild (112deg lobe centers, 258deg duration @ .050, .738" lift). Runs like a Honda... until you mash the loud peddle. A more agressive cam I'll bet would make 800+HP.
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12-04-2006, 10:41 AM
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Senior Club Cobra Member
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Join Date: Feb 2003
Location: sac., ca,
ca
Cobra Make, Engine: owned Kirkham for 11 years
Posts: 1,032
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Not Ranked
rismoes,
My 511 Shelby with hyd roller is 664 hp at 6000 rpm.
Feels good
Maurice
Ps, Does not run like a Honda at anytime
Last edited by maurice19; 12-04-2006 at 10:43 AM..
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12-04-2006, 11:13 AM
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Banned
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Join Date: Jan 2003
Cobra Make, Engine:
Posts: 1,085
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Not Ranked
Are these high HP motors typically hydraulic lifters or solid? Is the only draw back from solid lifters the need to adjust valves more often and noise or is there more?
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12-04-2006, 11:19 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,280
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Not Ranked
Quote:
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Originally Posted by rsimoes
Are these high HP motors typically hydraulic lifters or solid? Is the only draw back from solid lifters the need to adjust valves more often and noise or is there more?
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I think (most) anything above 700 hp will require (normally) a solid roller. There are many large cubic inch FEs running out there in the 600+ Hp range (such as mine) that's running hydraulic rollers.
Dave
__________________
Too many toys?? never!
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12-04-2006, 12:40 PM
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CC Member
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Join Date: Jun 2006
Location: Carlsbad,
CA
Cobra Make, Engine: SPF, Ford
Posts: 9
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Not Ranked
Yes, solid lifter need regular adjustment, about every 1K miles. In addition, they need to be replace every 15K miles or so. Cost is $350 or so in parts.
The main advantage of solid lifter is that you can have steeper cam lobes yielding more HP and turn higher RPM's. I can tell you first hand that a 7800RPM redline on a 9L motor is pretty thrilling.
Starts and idles like a Honda but runs like a scalded dog when prodded...
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