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08-27-2013, 04:27 AM
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CC Member
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Join Date: Jun 2013
Cobra Make, Engine:
Posts: 72
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Not Ranked
351 CLeavland
I was wondering why you don;t see more 351 Clevelands in Cobras. They were a pretty damned strong engine in the mustangs. Other than "correctness" that is. I see all sorts of engines in them, but not many 351 C's
Last edited by diverrick; 08-28-2013 at 04:23 AM..
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08-27-2013, 05:04 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,532
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Not Ranked
I'm also surprised that you just don't see a whole lot of Cleveland head buildups - Cobra and otherwise. The Windser head seems to dominate. The Cleveland is a pretty wide motor but no more so than some of the modular engines.
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08-27-2013, 06:52 AM
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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: 9,417
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Not Ranked
The Cleveland certainly gets a raw deal. I probably build more Clevelands than any other engine builder on this forum, and can attest that they are very potent powerplants...
With a 9.200" deck height, they are smaller than a Windsor, and the heads are certainly equal if not superior to the Windsor heads as far as performance goes. It's hard to really make a Windsor head flow without going to a canted valve layout. I can get about 350 cfm out of a TW-R head, but from there on up, it takes a Cleveland head (Blue Thunder, Yates, etc.) to get more.
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08-27-2013, 10:43 AM
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CC Member
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Join Date: Jan 2009
Cobra Make, Engine: N.A.F., 351 cleveland, 9" ford
Posts: 210
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Not Ranked
After owning 2 1971 Boss 351's and a half dozen other mustangs with Cleveland's, It was an easy choice for me to go Cleveland power. Especially since I had a spare just sitting around....
Paul T.
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08-27-2013, 10:57 AM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Clevors can easily make 620 HP with CHI heads on 91 octane.
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Chas.
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08-27-2013, 11:14 AM
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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
Back in the day when these were in OEM applications they weren't getting more than 10,000 miles before the valvetrain would begin making clicking and clacking noises. Many valve jobs done under Ford Factory warranty to remedy the problem. It wasn't until it was found to be the chroming process on the valve stems that was actually the problem. The stems were somewhat rough (you could feel it with a thumbnail). The valve guides were being heavily worn prematurely, causing increased valve guide clearance, which led to unwanted valve train noise. This held true for all the canted valve Fords 351,400,429,460. Took a while for engineers and suppliers to figure it out. It was a pain to face a customer that had bought a new car and had this going on 8 months later 
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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08-27-2013, 12:03 PM
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CC Member
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Join Date: Dec 2004
Location: Kansas City,
KS
Cobra Make, Engine: jbl
Posts: 2,291
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Not Ranked
My dad had a station wagon with a 400 that he blew up, said he was sitting at a stop light.... One of my first get to work cars, that thing would fly!
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08-27-2013, 05:08 PM
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CC Member
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Join Date: Jan 2009
Location: Las Vegas,
NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
Posts: 5,615
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Not Ranked
The Pantera has a 351C. It just looks gorgeous inside the back of that car !!!
__________________
Cheers,
Tony
CSX4005LA
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08-27-2013, 07:34 PM
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Club Cobra Member
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Join Date: Mar 2002
Location: arroyo grande, ca,
ca
Cobra Make, Engine: NAF 427
Posts: 1,774
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Not Ranked
You mean a 351C that looks like this:
I think there are a number of 351C powered Cobras on the forum.
Cheers
Greg |
08-28-2013, 02:00 AM
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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: 9,417
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Not Ranked
Edited........
Last edited by blykins; 08-28-2013 at 05:07 AM..
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08-28-2013, 05:29 AM
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Senior Club Cobra Member
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Join Date: Dec 1999
Location: Edgewater,
FL
Cobra Make, Engine: ERA FIA, BOSS 351C/Webers
Posts: 1,304
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Not Ranked
Cleveland engines
The BOSS 351 engine from the 1971 BOSS that my Dad bought new looked perfectly at home in the engine bay of my '72 Pantera:
 
I had that engine in three different cars ('71 BOSS 351 Mustang, '68 Shelby GT500 convertible, and '72 Pantera) and put over 100,000 miles on it before I decided it was time to refresh it.
Now it looks perfectly at home in my ERA FIA:
 
In the seventies when the 351C, M, and W were new, most all of the performance parts were made for the Cleveland design. These days most of the performance parts available for Ford 351s are for the Windsor design. Guess I'm still  ld school" - love my Charlie engine.
Jeff
__________________
CobraJeff
ERA P 202
Last edited by cobrajeff; 08-28-2013 at 05:32 AM..
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08-28-2013, 08:15 PM
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CC Member
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Join Date: Jun 2013
Cobra Make, Engine:
Posts: 72
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Quote:
Originally Posted by cobrajeff
The BOSS 351 engine from the 1971 BOSS that my Dad bought new looked perfectly at home in the engine bay of my '72 Pantera:
I had that engine in three different cars ('71 BOSS 351 Mustang, '68 Shelby GT500 convertible, and '72 Pantera) and put over 100,000 miles on it before I decided it was time to refresh it.
Now it looks perfectly at home in my ERA FIA:
In the seventies when the 351C, M, and W were new, most all of the performance parts were made for the Cleveland design. These days most of the performance parts available for Ford 351s are for the Windsor design. Guess I'm still ld school" - love my Charlie engine.
Jeff |
How the heck do you get to the plugs??? Looks like zero room in the rear. |
08-29-2013, 01:15 AM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Had one in my first Cobra (one of the earliest of the Butlers: #005...built in 82). Great motor...won several SCCA autocross seasons with it.
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Jamo
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08-29-2013, 02:06 AM
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CC Member
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Join Date: Feb 2006
Location: Gore. New Zealand.,
SI
Cobra Make, Engine: DIY Coupe, F/T ,MkIV.
Posts: 808
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Not Ranked
Quote:
Originally Posted by vector1
My dad had a station wagon with a 400 that he blew up, said he was sitting at a stop light.... One of my first get to work cars, that thing would fly!
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Had to chuckle at this one, have to imagine that 'Dad' had a line-loc & about 7K on the tacho waiting for the lights to go green!
__________________
Jac Mac
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