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recommended header gasket

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Old Jun 25, 2004 | 09:07 AM
  #1  
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Default recommended header gasket

What brand (and part number if you remember) of header gasket do you recommend for a L48 with stock heads?


[Modified by jetech, 8:09 AM 6/25/2004]
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Old Jun 25, 2004 | 10:19 AM
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Default Re: recommended header gasket (jetech)

Any parts store has the correct gasket. This is not really a critical gasket in terms of high vs. low quality (for stock heads and manifolds)


[Modified by Chris@VetteFinders, 10:26 AM 6/25/2004]
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Old Jun 25, 2004 | 10:23 AM
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Default Re: recommended header gasket (jetech)

If you are running headers I have had great luck with Earl's graphite ones:



The inserts are replacable and can be trimmed to match the port size, there are a few diff pre-cut port sizes avail or you can get them uncut and do the matching yourself.

http://store.summitracing.com/partde...N=120%20301494
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Old Jun 25, 2004 | 10:32 AM
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Default Re: recommended header gasket (Fevre)


One more vote for Earl's Pressure seals if you have headers.
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Old Jun 25, 2004 | 11:06 AM
  #5  
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Default Re: recommended header gasket (Fevre)



Am very happy and no leaks so far!
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Old Jun 25, 2004 | 12:47 PM
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Default Re: recommended header gasket (Fevre)

If you are running headers I have had great luck with Earl's graphite ones:



The inserts are replacable and can be trimmed to match the port size, there are a few diff pre-cut port sizes avail or you can get them uncut and do the matching yourself.

http://store.summitracing.com/partde...N=120%20301494
That is what I just bought to replace the old Percy's on the car.
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Old Jun 25, 2004 | 01:17 PM
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Default Re: recommended header gasket (Sigforty)

One of my good buddies recommended I throw out the stock gaskets for my Hookers and get some Hi-Temp RTV stuff. I think its like a gel maybe or something? But he said its great. Anyone know anything about this?
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Old Jun 25, 2004 | 02:08 PM
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Default Re: recommended header gasket (Bryan52803)

It is a copper colored gasket maker just like the black permatex used for intakes and the like. My formula had it on it when I bought it and I do not appear to have any header leaks.
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Old Jun 25, 2004 | 07:40 PM
  #9  
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Default Re: recommended header gasket (jetech)

Thanks for the info, I think I will try the Earl's brand.
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Old Jun 25, 2004 | 09:23 PM
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Default Re: recommended header gasket (jetech)

I use the plain paper gaskets that come with the headers. BUT I soak them in hot water just before I install them for a couple of hours if possible , once installed i run the motor up to temp and then retighten the header bolts and check them about every 3 days and retighten , after about 2 weeks of this your through and can drive till something breaks , i did this exact thing on my 4x4 blazer and did not loose a gasket for 3 years till a long stud broke off in the head that went through the headers to hold the p/s bracket , i also had Ultra copper sealer on the gasket on my 4x4 since i did not care what it looked like under the hood , it was mostly red clay colored anyway , i did not use this sealer on my vette, but it had not developed a leak for several years mostly not driven though, Blazer i drove every day ,
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Old Jun 25, 2004 | 09:56 PM
  #11  
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Default Re: recommended header gasket (Fevre)

If you are running headers I have had great luck with Earl's graphite ones:



The inserts are replacable and can be trimmed to match the port size, there are a few diff pre-cut port sizes avail or you can get them uncut and do the matching yourself.

http://store.summitracing.com/partde...N=120%20301494
I'm in agreement with you 1000% I have had my headers on/off and still havent had to change the sealing material! The best gasket ever!
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Old Jun 25, 2004 | 10:12 PM
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Default Re: recommended header gasket (Bryan52803)

I use ordinary Silicone RTV. No leaks after 2 1/2 years. you can even use the clear stuff. Helps if you have the flanges straight before you fit them with all sealing methods.
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Old Jun 26, 2004 | 01:13 PM
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Default Re: recommended header gasket (Fevre)

If you are running headers I have had great luck with Earl's graphite ones:



The inserts are replacable and can be trimmed to match the port size, there are a few diff pre-cut port sizes avail or you can get them uncut and do the matching yourself.

http://store.summitracing.com/partde...N=120%20301494
The graphoil gaskets are the best. Your bolts will not get loose.
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