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08-04-2015, 04:55 PM | #1 |
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Leakage around the head gasket
Went out for a spin Sunday and after the cart sat overnight, there was a little leakage where the head meets the block. Should I retorque the head nuts while warm? 55-60 ft lbs?
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08-04-2015, 05:09 PM | #2 |
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Re: Leakage around the head gasket
Wouldn't hurt.
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08-04-2015, 06:40 PM | #3 |
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Re: Leakage around the head gasket
Torque while hot to what ft lb?
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08-04-2015, 06:46 PM | #4 |
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Re: Leakage around the head gasket
i torque cold to specs and the proper torque sequence
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08-04-2015, 07:07 PM | #5 |
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Re: Leakage around the head gasket
YES, torque it COLD!! & DON'T loosen the nuts AT ALL!
Bill W.
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08-04-2015, 09:14 PM | #6 |
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Re: Leakage around the head gasket
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08-04-2015, 09:22 PM | #7 |
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Re: Leakage around the head gasket
55 ft lbs
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08-04-2015, 11:43 PM | #8 |
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Re: Leakage around the head gasket
It took several times putting some miles on the motor, then letting it cool, then retorquing to finally get the head bolts to stabalize after a head gasket install.
In other words followup on this retorquing until the head nuts no longer loosen. |
08-05-2015, 01:19 AM | #9 |
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Re: Leakage around the head gasket
Torque sequence
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Keith Shawnee OK '31 SW 160-B |
08-05-2015, 05:17 AM | #10 |
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Re: Leakage around the head gasket
Is it a HIGH COMPRESSION HEAD or a stock head? HC might be 60 lb-ft. Be VERY CAREFUL doing the gooseneck. Do, maybe two pounds at a time between them.
Last edited by Bruce Adams; 08-05-2015 at 05:19 AM. Reason: x |
08-05-2015, 08:12 AM | #11 |
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Re: Leakage around the head gasket
At the engine building seminar at the MARC National at Niagara Falls, Rich Fallucca recommended a half tube of copper or aluminum radiator sealer to eliminate the "lace" that streaks down the block below the head gasket. He said the streaks are not harmful, just ugly. Wipe 'em off.
I took his advice -- one tube did two engines (easy math) -- and the streaks have not reappeared in the last 1,000 miles of highway driving. |
08-05-2015, 09:58 AM | #12 | |
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Re: Leakage around the head gasket
Quote:
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08-05-2015, 10:00 AM | #13 |
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Re: Leakage around the head gasket
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08-05-2015, 11:47 AM | #14 |
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Re: Leakage around the head gasket
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08-05-2015, 01:20 PM | #15 | |
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Re: Leakage around the head gasket
Quote:
IMO, just use copper coat on both sides of head gasket, with proper torqueing, and accomplish same same ? |
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08-06-2015, 10:11 AM | #16 |
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Re: Leakage around the head gasket
What the heck is "technician in a can"? I tried Google but even that usual find-all didn't give an answer.
Bruce, I'm trying to understand what you "clearly stated". Radiator sealer that I'm familiar with is a liquid, so I don't see how that could be effectively used on a head gasket, methinks it would just run off.
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08-06-2015, 10:37 AM | #17 |
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Re: Leakage around the head gasket
"technician in a can"
It's like using sawdust or cut up banana peels in you car, but then again...I remember the 50's
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08-06-2015, 11:22 AM | #18 | |
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Re: Leakage around the head gasket
Quote:
Technician in a can = mechanic in a can, or in other words hoping for the easy way out to fix a mechanical problem. Not all fixes in a can perform as advertised. I have had good luck with Sea Foam and the radiator sealer I used. Wish I could recall which sealer it was. |
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08-06-2015, 11:45 AM | #19 |
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Re: Leakage around the head gasket
Technician In A Can is SYNONOMOUS, (sp?) with SNAKE OIL, which may be POISONOUS????--Chief called such stuff, "PANTHER PISS"!!
Bill W.
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08-06-2015, 12:00 PM | #20 | |
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Re: Leakage around the head gasket
Quote:
I was reporting to you a remedy to the white streaks that appear below the head gasket on newly rebuilt and painted Model A engines (that get driven). It was suggested by a guy who is responsible for many of the new rebuilds in our hobby and almost all the insert bearings/rods/and soon, pistons. The radiator sealer is powdered and comes in several varieties. Rich recommended either copper or aluminum. Then he said that he "liked" aluminum. The sealer comes in a tube. It looks like gold ... or silver ... flakes. You dump it in your radiator and go for a drive. Like Tom suggested, it "finds" the leaky places in your radiator and remedies them. In its swoosh through your cooling system, the sealer courses through the block and head, too. That's where it deals with those pesky head gasket leaks and vanquishes the white streaks. Or not. Unless you try it, you'll never know. A Model A friend of mine who now drives on streets of gold was sure that a couple raw eggs would do the same job. I never tried that cure. |
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