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Author Topic: Blew either head or intake gasket  (Read 7608 times)

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unclewill

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Re: Blew either head or intake gasket
« Reply #15 on: March 16, 2017, 09:34:41 AM »
What are the specs of your replacement engine?  It is for this car right?
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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

ChiefDanGeorge

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Re: Blew either head or intake gasket
« Reply #16 on: March 16, 2017, 11:04:05 AM »
It's a 390 to 390 swap.
New motor is stroked and will be around 430ci. NOthing too exotic other than Edelbrock heads.
Quote from: unclewill on March 16, 2017, 09:34:41 AM
What are the specs of your replacement engine?  It is for this car right?
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Heo

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Re: Blew either head or intake gasket
« Reply #17 on: March 16, 2017, 12:48:32 PM »
Take out the sparkplugs .If a plug is clean you have water leaking in
to that cyl . (running rough on idle i suspect water in cyl or compression lost)
 So you know what cyl to check for leaks, If its a cyl not
close to water on the intake its probably the headgasket. Sometimes the head bolts
gets brittle and snap of or loose clamping force and the gasket blows

« Last Edit: March 16, 2017, 12:54:31 PM by Heo »
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unclewill

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Re: Blew either head or intake gasket
« Reply #18 on: March 16, 2017, 07:47:13 PM »
Just build the long block everything else under the hood bolts on.

Where are you anyway?  is the short block finished?

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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

ChiefDanGeorge

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Re: Blew either head or intake gasket
« Reply #19 on: March 17, 2017, 05:43:38 AM »
In South Carolina. Short Block is finished. Getting ready to install timing cover, then it should be all work up top.
Quote from: unclewill on March 16, 2017, 07:47:13 PM
Just build the long block everything else under the hood bolts on.

Where are you anyway?  is the short block finished?
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unclewill

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Re: Blew either head or intake gasket
« Reply #20 on: March 17, 2017, 08:29:20 AM »
Sounds like you are almost there...
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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

unclewill

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Re: Blew either head or intake gasket
« Reply #21 on: March 17, 2017, 12:52:53 PM »
 :D
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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

ChiefDanGeorge

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Re: Blew either head or intake gasket
« Reply #22 on: March 21, 2017, 04:42:10 PM »
I think I may have been completely wrong about issue. Just pulled the plugs and found #6 was gummed up so badly there was no gap to jump. Cleaned it up and put it back in and car seems much better. Saw no evidence of water on plugs or the bit I could see in the chamber. Pulled valve covers, and while they definetly show their age, I really didn't see any milky white sludge. There was a bit, but I am wondering it that is from me not getting a good seal when I replaced cover gaskets.
Drove the car around and got temp up, then checked the dipstick. No evidence of water there either.
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120mm

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Re: Blew either head or intake gasket
« Reply #23 on: March 21, 2017, 11:21:31 PM »
Quote from: ChiefDanGeorge on March 21, 2017, 04:42:10 PM
I think I may have been completely wrong about issue. Just pulled the plugs and found #6 was gummed up so badly there was no gap to jump. Cleaned it up and put it back in and car seems much better. Saw no evidence of water on plugs or the bit I could see in the chamber. Pulled valve covers, and while they definetly show their age, I really didn't see any milky white sludge. There was a bit, but I am wondering it that is from me not getting a good seal when I replaced cover gaskets.
Drove the car around and got temp up, then checked the dipstick. No evidence of water there either.

I had this happen before in a non-FE Toyota engine.

Freaked out when I saw the chocolate milk; after pulling the valve cover, changing the oil and the plugs, never saw it again.
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unclewill

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Re: Blew either head or intake gasket
« Reply #24 on: March 22, 2017, 10:08:12 AM »
What a relief! 
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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

ChiefDanGeorge

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Re: Blew either head or intake gasket
« Reply #25 on: March 22, 2017, 11:04:50 AM »
It's still got me in build mode for sure. Gotta get finished and engine swapped!

Quote from: unclewill on March 22, 2017, 10:08:12 AM
What a relief!
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unclewill

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Re: Blew either head or intake gasket
« Reply #26 on: March 24, 2017, 02:23:03 PM »
Watch that #6 cylinder, something is going on there.
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1969 Ford Cobra, 482 side oiler, BBM aluminum heads, FiTech EFI, Edelbrock 7105, Comp 292H, CR 4 speed, 9", 3.50

ChiefDanGeorge

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Re: Blew either head or intake gasket
« Reply #27 on: March 26, 2017, 06:11:54 AM »
Oh, it's not pretty in the internals at all. The blowby is so bad I suspect the rings are just shot.

Quote from: unclewill on March 24, 2017, 02:23:03 PM
Watch that #6 cylinder, something is going on there.
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