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  #1  
Old 04-02-2004, 11:55 AM
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HKS head gasket?

HKS makes a head gasket thats 1.6 mm thick and its suppose to lower compression to 8.3.1. is there anything i should know before buying this head gasket for $230. Will there be any bad affects from lowering my compression so much. I have a 98 GST.
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Old 04-02-2004, 12:34 PM
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Re: HKS head gasket?

whats the reason behind lowering the compression? i always thought that the higher the compression the better
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Old 04-02-2004, 06:14 PM
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Re: HKS head gasket?

With lower compression you can generally run more boost. If you have stock boost and lower compression, you will make less power.

I wouldn't recommend the HKS being so expensive, where the Mitsu MLS is like ~70 bucks at I think partznet.com and stock gasket is like ~79 from Mitsu. Are you considering ARP head bolts too?
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Old 04-02-2004, 09:19 PM
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Re: HKS head gasket?

the only reason i wannted the HKS(disreguarding price) is because it lowered my compression so much. How much does the one your talking about lower compression. Yes i do plan on getting ARP head bolts.
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Old 04-02-2004, 09:24 PM
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Re: HKS head gasket?

Can a head gasket really lower the compression?
I never knew that.
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Old 04-03-2004, 01:34 AM
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Old 04-03-2004, 03:01 AM
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Re: HKS head gasket?

my exhaust is white so im either guessing that im leaking coolant from the turbo or the headgasket. Has anyone ever had this problem before, and if so what was the problem from.
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Old 04-05-2004, 05:57 PM
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Re: HKS head gasket?

well ifigured it out that it wasnt my head gasket, my turbo blew up today, thatzs what the white smoke that was comming out of my exhaust was. I got the head gasket anyways though, and im getting ready to install my evo turbo on wednesday. thanx guys.
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Old 04-05-2004, 10:28 PM
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Re: HKS head gasket?

Lowering your compression ratio from 8.5 to 8.3 will have no noticeable effect... Certainly no worth the money HK$ charges. Iwould takes Joes advice and run the mitsu metal gasket, its about 90 buks though from most places. The stocker has been good to over 500 hp (chads car for example) but I have had great luck with the metal one, even after reusing it
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Old 04-05-2004, 11:44 PM
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Re: HKS head gasket?

i thought the compression on the 2g was 9:1
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Old 04-06-2004, 01:01 AM
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Re: HKS head gasket?

i though eclipse was 8.5:1
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Old 04-06-2004, 01:11 AM
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Re: HKS head gasket?

2G is 8.5:1
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Old 04-06-2004, 01:24 AM
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Re: HKS head gasket?

isnt the 1g 8:1?
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Old 04-06-2004, 02:09 AM
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Re: HKS head gasket?

Does the aftermarket head gasket simply lower compression by creating a longer area to compress...i.e. more room for air fuel mixture to survive while being compressed?
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Old 04-06-2004, 02:25 AM
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Re: HKS head gasket?

It would seem that way. Thicker gasket, lower compression.
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