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Old 04-15-2012, 03:16 AM   #1
Teal SVT
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Default SB Ford headgasket question

Im having issues with #5 cylinder in my car. 331 twin67mm turbos, bigstuff3, with sce titan copper headgaskets.

Question is what are you SB Ford blower or turbo guys using for gaskets?

9:1 compression, E98 and 25lbs of boost, 20degrees of timing.

Any help would be appreciated. Thanks guys

Last edited by Teal SVT; 04-15-2012 at 03:18 AM.
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Old 04-15-2012, 03:21 AM   #2
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Default Re: SB Ford headgasket question

My combo is N/A but built for a decent hit of Nitrous 300+ shot. Cometic MLS here. call them, Im sure they will work fine for you.
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Old 04-15-2012, 03:30 AM   #3
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Default Re: SB Ford headgasket question

You may need to go the copper gasket+ O ring reciever groove and stainless wire.
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Old 04-15-2012, 03:36 AM   #4
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Default Re: SB Ford headgasket question

Thanks for the responses guys! I keep lifting the head i think. It pushes the gaskets out the bottom and into the valley.
I've even pulled 2 degrees of timing out of that hole. I don't have my block or head machined for the o ring but these titans have them built in. Sick of pulling the heads off my pile.
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Old 04-15-2012, 03:54 AM   #5
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Default Re: SB Ford headgasket question

Also what bore would i go with? Would i order it for the max i could take it? 4.155?
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Old 04-15-2012, 04:17 AM   #6
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Default Re: SB Ford headgasket question

Cometic

10 head bolts will only clamp so much..
Multi Layer Steel gaskets seal better and quicker.

But they are no longer the weak link anymore like the copper or other style gaskets.. When you tune is bad wrong the gasket doesnt burn, the head does..
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Old 04-15-2012, 08:28 AM   #7
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Default Re: SB Ford headgasket question

FEL PRO 1133 ml gskt. I just had the same prob. But I was running 93 octain with 18lbs of boost and destroyed a head. So it is true. The head is the weak link NOW. They are Black and VERY STICKY. They seal up GREAT.
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Old 04-15-2012, 09:02 AM   #8
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Default Re: SB Ford headgasket question

Do you have head studs or bolts? Studs would be better also.
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Old 04-15-2012, 09:11 AM   #9
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Default Re: SB Ford headgasket question

Do you have the larger head bolts/studs? The 302 base blocks are usually tapped for the 302 size head bolts (7/16ths?) instead of 351W size head bolts (1/2", I think). Aftermarket heads are already drilled for the larger bolts and the blocks can be drilled/tapped to the larger size
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Old 04-15-2012, 11:48 AM   #10
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Red face Re: SB Ford headgasket question

Cometic too .
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Old 04-15-2012, 04:33 PM   #11
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Default Re: SB Ford headgasket question

Quote:
Originally Posted by rustang View Post
Do you have the larger head bolts/studs? The 302 base blocks are usually tapped for the 302 size head bolts (7/16ths?) instead of 351W size head bolts (1/2", I think). Aftermarket heads are already drilled for the larger bolts and the blocks can be drilled/tapped to the larger size
I have a dart block with 1/2 in studs. Every time i pull it apart it is the same thing. Gasket goes from round to egg shaped. At least the price for scrap copper is high. LOL. No signs of detonation or anything. I think its just cylinder pressure
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Old 04-15-2012, 04:39 PM   #12
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Default Re: SB Ford headgasket question

Quote:
Originally Posted by turbo vert View Post
FEL PRO 1133 ml gskt. I just had the same prob. But I was running 93 octain with 18lbs of boost and destroyed a head. So it is true. The head is the weak link NOW. They are Black and VERY STICKY. They seal up GREAT.

How thick are these fel -1133? Just says they are 4.100 bore. No compressed thickness. Im at 9.2:1 with a. 051 and 9.0:1 with a. 060.
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Old 04-15-2012, 07:31 PM   #13
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Default Re: SB Ford headgasket question

Quote:
Originally Posted by Teal SVT View Post
How thick are these fel -1133? Just says they are 4.100 bore. No compressed thickness. Im at 9.2:1 with a. 051 and 9.0:1 with a. 060.
i think they are .041 thick but i could be wrong.
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Old 04-15-2012, 10:03 PM   #14
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Default Re: SB Ford headgasket question

Thanks for all they replies guys! Appreciate it. Power to the bullet!
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Old 04-16-2012, 12:59 AM   #15
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Default Re: SB Ford headgasket question

Quote:
Originally Posted by Teal SVT View Post
How thick are these fel -1133? Just says they are 4.100 bore. No compressed thickness. Im at 9.2:1 with a. 051 and 9.0:1 with a. 060.
.41 .42 I think
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2008 = 8.73@158 on d/r

2009 = 8.70@163 on D/R I HAD TO CHANGE
IT TO MAKE GP HAPPY!!!
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2011= 8.40@168 on D/R
2012=7.94@179 on D/R
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