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 3Likes
01-14-2017, 03:26 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
Step #1. Loosen set screw.
Step #2. Use at least a 36" long wrench
Step #3. Tighten the livinsheet out of it.
Step #4. Order Parts
Valve lash adjustment procedure, according to Danr.
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Karlos
"In the Land of the Pigs, The Butcher is King"
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01-14-2017, 05:53 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
Nope. They are hydraulics. The set screw snapped right above the oil port. Looks like the metal crystalized.
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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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01-14-2017, 08:58 PM
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CC Member
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Join Date: Aug 2000
Location: Glendale,
AZ
Cobra Make, Engine: SPF 468ci 550HP + 150HP NX Matching Shelby GT500 650HP
Posts: 4,227
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Not Ranked
Next week?
Sunday: Crossroads Gun Show Mesa
Monday: Barrett-Jackson
Tuesday: Padre Murphy's
Thursday: Silver Auction
Saturday: Crossroads Gun Show Fairgrounds & Peoria Cruise In
Sunday: Russo & Steele
I avoid the Bonham, RM and Gooding since I couldn't afford them anyway.
This week is also Blood test and colorectal on Tues, Lunch at Heidi's on Wed, Ben Avery on Thursday night, Coffee at Panera and Solar City meet on Friday.
This retirement is killing me. I need to go back to work so I can rest.
AZ Bob
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AZCOBRA, AZBOBS Plates & JAFMO
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01-15-2017, 05:56 PM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
Cobra Make, Engine:
Posts: 848
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Quote:
Originally Posted by Danr55
Nope. They are hydraulics. The set screw snapped right above the oil port. Looks like the metal crystalized. |
But why did the set screw break instead of the rocker arm. And why did you need to adjust the valves, hydraulics usually don't need adjustment.
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01-15-2017, 08:48 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
Car Nut,
"But why did the set screw break instead of the rocker arm. And why did you need to adjust the valves, hydraulics usually don't need adjustment."
Remember, this is Danr.
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Karlos
"In the Land of the Pigs, The Butcher is King"
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01-16-2017, 06:02 AM
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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
From initial.investigation, it appears that the thread root on the adjusting screw lacked the proper thread root radius creating a stress point. That combined with what is perhaps an errant hardening process combined to create a failure when torque was applied.
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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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01-16-2017, 07:35 AM
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CC Member
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Join Date: Jul 2004
Location: Phoenix area,
az
Cobra Make, Engine: ERA FIA, 396 Windsor Stroker (Formerly: Unique 427 powered by a 351W with mysterious innards)
Posts: 264
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Not Ranked
Quote:
Originally Posted by Danr55
From initial.investigation, it appears that the thread root on the adjusting screw lacked the proper thread root radius creating a stress point. That combined with what is perhaps an errant hardening process combined to create a failure when torque was applied.
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Translation: The thread was stripped and he cranked down too hard on it and the damn thing broke.
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The old saw says ‘If you want a thing done right, do it yourself.’ The true statement is ‘If you want it done your way, do it yourself.’ There are many flavors of ‘right’.
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01-16-2017, 11:07 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
"From initial.investigation, it appears that the thread root on the adjusting screw lacked the proper thread root radius creating a stress point. That combined with what is perhaps an errant hardening process combined to create a failure when torque was applied."
Its gettin deeper and higher. Where's my hip boots?
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Karlos
"In the Land of the Pigs, The Butcher is King"
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01-16-2017, 03:48 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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OK Hipboots, Check these out and see what conclusions you can draw.. I would be happy to entertain any other substainable theories.
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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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01-16-2017, 03:53 PM
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CC Member
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Join Date: Feb 2016
Location: Peoria,
AZ
Cobra Make, Engine: 65 Cobra w/351W
Posts: 161
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Not Ranked
Dan, you need to lay off the protein shakes.
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I'm not broke. I'm Hot Rod poor!!
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01-16-2017, 04:33 PM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
Cobra Make, Engine:
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Tried adjusting them without loosening the locknut. Lefty loosey, righty tighty.
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01-16-2017, 05:01 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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Nope. Loosed all the locknuts then turned the engine over by hand.. One full rotation of the distributor.
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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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01-16-2017, 06:33 PM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
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Posts: 848
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You still didn't say why you were adjusting hydraulic lifters when you should not have needed to.
Karl doesn't think we are getting the whole story.
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01-16-2017, 06:43 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
Karl is and always has been a conspiracy theorist. You got the whole story.
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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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01-16-2017, 08:12 PM
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CC Member
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Join Date: Aug 2015
Cobra Make, Engine: All original, with Chevy engine since 1964
Posts: 996
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Not Ranked
Quote:
Originally Posted by Danr55
Check these out and see what conclusions you can draw..
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The only conclusion I can draw is that it definitely looks like a Ford part...
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- Robert
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