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Will GM head gaskets hold a H/C + 150 shot??

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Old Dec 31, 2002 | 08:03 AM
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Default Will GM head gaskets hold a H/C + 150 shot??

I am going to be buying gaskets soon and need to know what to buy.
I am also looking at the ARP head bolts instead of the GM ones.
Thanks for the help.
Josh
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Old Dec 31, 2002 | 04:20 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

Stock ones will hold. There is a guy here in Vegas (SSValet) running MMS heads, MMS 229 cam, and a TNT 150. He has had good luck with them so far. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Old Dec 31, 2002 | 05:42 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

Thanks for the reply.

The ARP head bolts should hold also then right?
Josh
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Old Dec 31, 2002 | 07:34 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

Should hold. I still don't like the composite head gasket tho and would replace it with an MLS at next opportunity.
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Old Dec 31, 2002 | 08:08 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

I dynoed 656 RWHP on my 99 hawk with stock head gaskets..Blew a motor but never a head gasket.. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> The car made 400 RWHP with a #7 pump vigilante and the rest of the HP came from the JUICE!!
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Old Jan 1, 2003 | 09:37 AM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

I think the gaskets should hold with no problem. The arp bolts are better then stock but you may want to consider head studs. Kinda pricey but reusuable and stronger then a bolt. I plan to use arp studs and cometic gaskets.
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Old Jan 1, 2003 | 02:56 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

To put the head studs in though wouldn't i have to pull the motor??
Also how much are the Comectic gaskets??

Josh
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Old Jan 1, 2003 | 11:49 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

Josh,

Speed Inc. sells a kit which has the Cometic gaskets and ARP studs for $389.99. The gaskets by themselves are $72.00ea. I lifted one of my heads last week end and I'm getting ready to order the combo kit tomorrow.

Mark
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Old Jan 2, 2003 | 12:43 AM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by QuickSilver:
<strong> To put the head studs in though wouldn't i have to pull the motor??
</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Nope, the motor can stay in the car. You actually have plenty of room to install/remove the heads. Take a look on Justin's website (Jsears8) for pics of when we installed his GTP stage 2 heads with ARP head studs.

http://www.fryrice.com/images/headswap/
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Old May 1, 2003 | 05:09 PM
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Default Re: Will GM head gaskets hold a H/C + 150 shot??

Stock ones will hold. There is a guy here in Vegas (SSValet) running MMS heads, MMS 229 cam, and a TNT 150. He has had good luck with them so far. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
I am confused because most everything I have been reading say with H/C &amp; N20, stock GM gaskets won't hold. Hmm....
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