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12-28-2011, 05:02 PM
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Senior Club Cobra Member
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Join Date: Jul 2000
Location: Chilliwack,BC,
BC
Cobra Make, Engine: F5 Roadster
Posts: 1,422
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Not Ranked
Firing order was wrong?
Hi,
Off hand I would check and see if the firing order was correct, roller cam is 13726548 and old 302 is 15426378.
That broken piston looks like it fired on the wrong stroke. The engine would run, just down on power.
Good Luck,
Perry.
Last edited by HighPlainsDrifter; 12-28-2011 at 05:13 PM..
Reason: t
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12-28-2011, 05:41 PM
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CC Member
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Join Date: Jul 2005
Location: Carpentersville,IL & Maricopa,,
AZ
Cobra Make, Engine: ACE, 351W, 3550 Tremec, Raging(?) Red W/ White Stripe.
Posts: 2,082
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Not Ranked
N O T I C E ! ! !
The picture of the SINGLE BROKEN PISTON is NOT the one that came out of the engine this thread is about.
It was posted by HOTFINGRS and is out of a totally different motor!
Ralph
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SPEED WAS HIGH - WEATHER WAS NOT - TIRES WERE WET - X MARKS THE SPOT
Burma Shave 
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12-28-2011, 06:27 PM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,506
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Not Ranked
Perry, that's normally good info, but since Karl is running a Chebby, it won't help this time. I know, he's strange..
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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12-28-2011, 06:35 PM
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Senior Club Cobra Member
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Join Date: Jul 2000
Location: Chilliwack,BC,
BC
Cobra Make, Engine: F5 Roadster
Posts: 1,422
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Not Ranked
Well that's the problem!
Chevy's are a different animal, it still wouldn't hurt to check the F.O.
Perry.  |
12-28-2011, 08:44 PM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Glendale,
AZ.
Cobra Make, Engine: Cobray-C3, The 60's body lines on todays chassis technology
Posts: 2,302
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Not Ranked
Karlos and Boys,
So what did you find or what are the strange things you found.
I know it is real easy to spend your buddies money but I might be able to help, give me a call.
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12-29-2011, 06:55 AM
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CC Member
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Join Date: Mar 2005
Location: Mesa,
AZ
Cobra Make, Engine: FFR from Levy Racing 302 FI w/Edelbrock Performer heads
Posts: 1,644
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Not Ranked
Jeff
I think we are gonna pull the engine today. Not sure if we will have any info tho.
Everyone else:
Sorry if I didn't explain this is a Cobra that Karl wrecked about 3 yrs ago. He decided to keep it and rebuild it. 4 of us have been working a few half days a week for about 2 1/2 yrs. We have done just about everything from the frame up. We put the original engine, bored 454 chevy, back in it, It hadn't run all that time but seemed to run fine when we got it started up. All Karl has done is drive it around for maybe less than 100 miles when this happened. Sorry for the confusion.
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dave from mesa
Vietnam Vets may be eligible for medical care and disability compensation. Contact the VA if you have prostate cancer or type 2 diabetes. Finally got around to going to the VA.
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12-29-2011, 08:40 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Glendale,
AZ.
Cobra Make, Engine: Cobray-C3, The 60's body lines on todays chassis technology
Posts: 2,302
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Not Ranked
Thanks Dave,
You may never find the turd that went through the cylinders but check in the intake and exhaust. I hope the left bank is not hurt any worse than what you already found on the right bank. A little solvent poured behind the valves will quickly check for bent valves. A new 540 or 572 would sure test all your suspension modifications. The 540 combo has been refined to a volumetric efficiency level that pump gas yields 700+ flywheel HP.
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12-29-2011, 08:50 AM
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CC Member
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Join Date: Sep 2009
Location: Camarillo,
CA
Cobra Make, Engine: SPF #2608, Roush 427SR T-W
Posts: 911
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Not Ranked
What kind of gasoline are you using? Has the fuel been sitting around for 2 1/2 years?
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12-29-2011, 09:06 AM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
It's a chevy engine?
Then, who cares?
Just kidding! 
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Jim
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12-29-2011, 04:30 PM
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CC Member
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Join Date: Mar 2005
Location: Mesa,
AZ
Cobra Make, Engine: FFR from Levy Racing 302 FI w/Edelbrock Performer heads
Posts: 1,644
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Not Ranked
Fuel is new. Like I said he has drivin it a little less than 100 miles.
I agree about the Chevy but it is what it is.
The other head looks better but it is still beat up some. Gonna tear down the engine on Mon so we will see what other damage there might be.
__________________
dave from mesa
Vietnam Vets may be eligible for medical care and disability compensation. Contact the VA if you have prostate cancer or type 2 diabetes. Finally got around to going to the VA.
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12-30-2011, 12:28 PM
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CC Member
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Join Date: Jun 2007
Cobra Make, Engine:
Posts: 69
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Not Ranked
Carl.
If you guys ever need any welding done..Let me know..I do it for a living and I am cheap..Only a couple of beers for club members is the normal charge!  |
12-30-2011, 01:47 PM
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CC Member
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Join Date: Jun 2001
Location: Mesa,
AZ
Cobra Make, Engine: ERA #2119 289FIA
Posts: 5,380
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Not Ranked
Hey Jets, thanks for the offer. I'll certainly keep you in mind. Where are you located?
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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12-30-2011, 03:34 PM
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CC Member
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Join Date: Jun 2007
Cobra Make, Engine:
Posts: 69
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Not Ranked
Quote:
Originally Posted by Karl Bebout
Hey Jets, thanks for the offer. I'll certainly keep you in mind. Where are you located?
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We did meet all most a year ago at breakfast in Mesa..I had the black gelcoat F5 with the BBF 514 with the hard top..You probably remember..Me and China drove up in our cars..I am the retired Mesa PD officer..I live in Chandler AZ..I have Miller 252 mig and have the spool gun so I can weld aluminum with it..I also tig weld, but I don't have a tig welder yet..I don't want to buy a cheap Chinese one and Miller tig are a little pricey.. |
12-30-2011, 09:16 PM
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CC Member
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Join Date: Jul 2005
Location: Carpentersville,IL & Maricopa,,
AZ
Cobra Make, Engine: ACE, 351W, 3550 Tremec, Raging(?) Red W/ White Stripe.
Posts: 2,082
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Not Ranked
Jets, ya better keep Karl's contact info handy, if he ever gets his beast runnin' he'll be needin' a hell of a lot of welding services from ya!
Been told, he can't control all those chebby ponies under his hood! 
Ralphie, the controller! 
__________________
SPEED WAS HIGH - WEATHER WAS NOT - TIRES WERE WET - X MARKS THE SPOT
Burma Shave
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12-31-2011, 01:51 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
Is it possible that some significant moisture got into some cylinders while it was sitting? I'm trying to read the gaskets and they may have failed while the engine sat allowing water to drain into in 2 or 3 cylinders.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 12-31-2011 at 02:05 AM..
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12-31-2011, 08:48 AM
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CC Member
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Join Date: Jan 2010
Location: Sun City West,,
AZ
Cobra Make, Engine: SPF2984 MK111, Roush 511 IR FE 8 Stack, Dynoed: [flywheel] 572HP at 6000 , 556# Torque at 4700, Bowler 4R70W Auto Transmision. Tires: Mickey T's S/R 26.0x10.0x15.0 F ,26.0x12.0x15.0 R Color, Bleck, because they told me it was Bleck, at the factory.
Posts: 1,480
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Not Ranked
Quote:
Originally Posted by RedSnake351
Jets, ya better keep Karl's contact info handy, if he ever gets his beast runnin' he'll be needin' a hell of a lot of welding services from ya!
Been told, he can't control all those chebby ponies under his hood!
Ralphie, the controller! |
Hey Ralphie, dream on pal, you ain't the controller, yo' wifey is. Now go ahead and tell me I am wrong, I dare ya. tin-man
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Be well, drive fast, live long
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12-31-2011, 08:53 AM
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CC Member
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Join Date: Jan 2010
Location: Sun City West,,
AZ
Cobra Make, Engine: SPF2984 MK111, Roush 511 IR FE 8 Stack, Dynoed: [flywheel] 572HP at 6000 , 556# Torque at 4700, Bowler 4R70W Auto Transmision. Tires: Mickey T's S/R 26.0x10.0x15.0 F ,26.0x12.0x15.0 R Color, Bleck, because they told me it was Bleck, at the factory.
Posts: 1,480
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Not Ranked
Quote:
Originally Posted by dave from mesa
Fuel is new. Like I said he has drivin it a little less than 100 miles.
I agree about the Chevy but it is what it is.
The other head looks better but it is still beat up some. Gonna tear down the engine on Mon so we will see what other damage there might be.
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Why don't you talk Karl into putting a Roush engine in his beast and that would solve all his problems since there would be no guessing. tin-man
__________________
Be well, drive fast, live long
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12-31-2011, 09:14 AM
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CC Member
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Join Date: Jun 2001
Location: Mesa,
AZ
Cobra Make, Engine: ERA #2119 289FIA
Posts: 5,380
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Not Ranked
Hey Jets, I do remember you, now that you refreshed my memory. Haven't heard or seen anything from you in a long time. Glad you're back on line. If you'd like to send me a PM with your phone number, I can get in contact. Thanks, K.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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12-31-2011, 10:58 PM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,506
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Not Ranked
Tinner. That might get him a 100good miles.or so but what would he do after that?
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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01-01-2012, 09:02 AM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
The #2 cylinder may have got cleaned by steam. In other words, a water leak.
Detonation seems like a good explanation. Have you inspected the plugs closely? There may be some evidence on them.
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