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12-14-2009, 06:03 AM
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Club Cobra Member
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Join Date: Jul 2002
Location: Huntington Beach, CA,
CA
Cobra Make, Engine: Kirkham 482 ci alum block
Posts: 250
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Not Ranked
Removing an intake manifold
Hey Guys,
What is the trick to taking off the intake manifold. I have everything removed and unbolted but, with all of the RTV used to seal it I am having a hard time taking it off. I didn't want to pry it off until I was sure I would not damage it. Any help would be appreciated.
David
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12-14-2009, 06:18 AM
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Club Cobra Member
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Join Date: Mar 2002
Location: Paris, France. City of wine and food,
Fra
Cobra Make, Engine: Paint:Metalflakes Royal and Abalone stripes registered in France in 1973. Engine: Ford Shelby aluminium block, 482; two 4-barrels 600cfm Holley; Edelbrock Performer Aluminium heads,,fluid damper,4-speeds Aluminium Toploader (short), 2.88rear
Posts: 209
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Not Ranked
Quote:
Originally Posted by David Biele
Hey Guys,
What is the trick to taking off the intake manifold. I have everything removed and unbolted but, with all of the RTV used to seal it I am having a hard time taking it off. I didn't want to pry it off until I was sure I would not damage it. Any help would be appreciated.
David
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Have you tried heating it with an hairdryer or something similar ( ex: heat gun at moderate temperature)?
I think you can use a good real pry tool if you put it in the space between the intake manifold and the cylinder head.
__________________
Queenie
Last edited by BOURRET; 12-14-2009 at 06:24 AM..
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12-14-2009, 06:42 AM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine: # 757 ERA 427 SC , 482 Al. big block
Posts: 894
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Not Ranked
Take a razor knife and cut through the RTV between the manifold and block , front and rear and then it should come off much easier .... that`s how I always do it .
Bob
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12-14-2009, 07:04 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,554
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Not Ranked
Both ideas are good but I think Bobcats is the easier. If you have aluminum heads and intake, be careful about prying on it.
Ron
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12-14-2009, 07:05 AM
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CC Member
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Join Date: Mar 2004
Location: miami,
FL
Cobra Make, Engine: E-M Cobra Ford FE 427 w/ Webers 48 IDA
Posts: 1,380
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Not Ranked
This might be a dump ?? but what type of intake is this?
Is this one of the original intakes that weigh 90 lbs?
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12-14-2009, 07:26 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: 9,391
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Not Ranked
Take a dead blow hammer and smack up on the part of the intake that the water neck bolts to. You just have to break the seal from the RTV.
__________________
www.lykinsmotorsports.com
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12-14-2009, 08:03 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
I am with Bobcat on this one. Insert a pry bar between block and intake near the T-stat location and apply a force. Add other pry bars a few inches away if really stuck. A steady increase in pressure with one or more bars seems to reduce chance of scaring the surfaces. Remember to drain coolant from the block to keep it out of the oil. |
12-14-2009, 12:56 PM
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CC Member
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Join Date: Feb 2006
Location: Thousand Oaks,
CA
Cobra Make, Engine: Classic Roadster
Posts: 1,359
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Not Ranked
I used a wet/dry shop vac on the T-Stat hole and reversed the air flow to blow. Withe the petcock of the radiator open this forced the water out of the intake. Make sure you have a rag stopping the upper hose to blow back and keep the cap on. It doesn't have to be an air tight seal just creates a little help with the water draining.
After using a razor blade or utility knife on RTV, a little prying will probably break it loose.
/John
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12-14-2009, 12:58 PM
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CC Member
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Join Date: Mar 1999
Location: TACOMA,
WA
Cobra Make, Engine: Everett Morrision FE 427 so 2-4s
Posts: 2,008
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Not Ranked
Once you get the intake manifold moving, lift the rear of the manifold first and slightly rearward as the short thermostat bypass hose in front, rather limits any lifting of the front. Or cut the short hose and plan on replacing with piece of the best hose available.
__________________
Mike H
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12-14-2009, 04:10 PM
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Club Cobra Member
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Join Date: Jul 2002
Location: Huntington Beach, CA,
CA
Cobra Make, Engine: Kirkham 482 ci alum block
Posts: 250
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Not Ranked
Thanks for all of the input.
I do have alum. heads and intake, so becareful and take it slow.
btw thanks vettstr for the coolant reminder.
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01-22-2010, 07:21 PM
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CC Member
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Join Date: Jan 2010
Cobra Make, Engine:
Posts: 1
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Not Ranked
well goodluck to me! i get the idea now on how to do it.. i cant wait to put my intake manifold.. thanks to all your inputs.. |
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