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Old 11-03-2006, 09:58 PM   #1
BigA
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Intake Gasket Maker What Kind

I'm getting ready to replace my front and back intake gasket because of leakege and would like to know what RTV sealant to use. I have ultra black Hi-temp #598B- blue rtv 6b and would like to know which one is best to use. I also would like to know if I shoud use the clear rtv adhesive sealant on the intake bolt threads. I have a 350 with a weiand intake.
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Old 11-03-2006, 10:03 PM   #2
dave2953
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Re: Intake Gasket Maker What Kind

I used the black for my intake. It worked beautifully with no leaks. I didn't use the gaskets for the front and rear; I've never had any luck with them so I just use RTV. Not sure about the clear for the bolts. I just cleaned the threads on mine before re-installing. Hope this helps.
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Old 11-03-2006, 10:14 PM   #3
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Re: Intake Gasket Maker What Kind

heres a whole thread full of differing opinions...http://67-72chevytrucks.com/vboard/s...d.php?t=214085
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Old 11-04-2006, 01:13 AM   #4
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Re: Intake Gasket Maker What Kind

I used Locktite #2 gasket sealant when I was having problems. No problem since......

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Old 11-04-2006, 02:53 AM   #5
manimal
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Re: Intake Gasket Maker What Kind

The ultra black is for use on gaskets that come in contact with oil-such as your intake. The blue is best for water.
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Old 11-04-2006, 05:51 AM   #6
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Re: Intake Gasket Maker What Kind

The right stuff.
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Old 11-04-2006, 06:48 AM   #7
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Re: Intake Gasket Maker What Kind

Use the black for the intake ends. Get some liquid teflon sealant for the bolt threads.
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Old 11-04-2006, 09:24 AM   #8
junkyardjohn
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Re: Intake Gasket Maker What Kind

I ALWAYS USE BLUE RTV SYLICON SEALENT & FEL-PRO GASKETS ON INTAKE MANIFOLDS & I ALWAYS SEAL THE THREADS WITH THE SAME SEALER I USE ON THE HEAD BOLTS. (IT KEEPS OIL FROM WORKING UP AROUND THE THREADS & LAYING ON YOUR INTAKE. JOHN
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Old 11-04-2006, 09:51 AM   #9
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Re: Intake Gasket Maker What Kind

do you have aluminuim or cast heads

It makes a difference on which type of thread sealant you use
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