Thicker head gsket to lower compression...good idea????

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Old Mar 10, 2003 | 09:42 AM
  #1  
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Default Thicker head gsket to lower compression...good idea????

i was thinking about doing this because like most of us im broke as hell. Is this a good idea or shoul i just stick to an oem gasket??? if a thicker is better where can i get one for around 300-400 bucks that decent??? just looking to boost around 10 lbs w/thicker or just stay at 7 with oem..... thanks
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Old Mar 10, 2003 | 10:11 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (hooked_up_gsr)

I would rather run 7-8psi with the stock head gastket then 10 with a aftermarket head gasket (thicker one)
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Old Mar 10, 2003 | 10:12 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (b16ahybrid)

I would rather run 7-8psi with the stock head gastket then 10 with a aftermarket head gasket (thicker one)
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Old Mar 10, 2003 | 10:24 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (Hatchblack)

I would rather have 320whp than 220whp!

Thicker headgasket = reliability goes a down the dran a little
Stock headgasket = your good to go and daily drive for a while..

But than you also have the hp difference.

Adi
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Old Mar 10, 2003 | 10:28 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (newgsr)

i dont recommend the thicker headgasket for low compression but if you have no choice, check out InlinePro.com, they are known for their manifolds as well as their head gaskets.
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Old Mar 10, 2003 | 10:45 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (newgsr)


Thicker headgasket = reliability goes a down the dran a little


Adi
Please explain? Thicker headgasket = less chance of detonation which I would think would save your rings and ring lands making it more reliable?
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Old Mar 10, 2003 | 10:50 AM
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Default Re: Thicker head gsket to lower compression...good idea???? (newgsr)


Thicker headgasket = reliability goes a down the dran a little

Adi


Please explain this to me.


[Modified by machaf, 12:51 PM 3/10/2003]
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Old Mar 10, 2003 | 12:00 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (machaf)


Thicker headgasket = reliability goes a down the dran a little

Adi


Please explain this to me.


[Modified by machaf, 12:51 PM 3/10/2003]
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Old Mar 10, 2003 | 12:16 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (hooked_up_gsr)

If cant afford to build it then go with a thicker head gasket..2.0 mm would be good..Im assuming that you have a GSR...They are every bit as reliable as a stock head gasket..I have had mine on for approx. 2yrs and no problems even with high boost..You will have a higher ceiling to work with as far as tuning goes, granted that you may lose a little bit on the low end but its negligable..I say do it.. I ran a 11.2 with the stock block and head..
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Old Mar 10, 2003 | 12:24 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (hooked_up_gsr)

any other comments? want to do this myself with a b16a, planned on SCE only cause I can get it quickly
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Old Mar 10, 2003 | 12:45 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (MinorObsession)

Well to answer the reliability issue with thicker head gasket I would assume it would just be from heat. But I have known people who are 2 years in on stock engine with a thick head gasket just tune the hell out of the car and you will be okay!
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Old Mar 10, 2003 | 01:46 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (Turbologist)

I ran a 11.2 with the stock block and head..
.

yea, this guy beat my car and my car is far from slow, i will get you this year. The headgasket will work fine and hold over 20psi. I know a guy running on the inline gasket for 3 years now and hasn't had one problem.
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Old Mar 10, 2003 | 02:06 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (b16ahybrid)

I would rather run 7-8psi with the stock head gastket then 10 with a aftermarket head gasket (thicker one)
im with this guy

i read if ya lower the compression u lose power
so cranking up the boost that 3 extra psi is just making up for the power you lost by lowering the compression

if ya got a bad headgasket id replace it with an OEM

if your set on lowering the compresiion
go inline pro
ive searched this hell out of this topic
and i found a buch threads of how cometic headgaskets leak

im sticking with my Honda oem gasket

correct me if im wrong
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Old Mar 10, 2003 | 03:04 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (redline201)


The only reason I said that the reliability goes down with the thicker headgasket is that durring the whole time I had the Inline Pro headgasket in my car I have been either loosing coolant or oil, and maybe some peoples perception of reliability is different than mine but having to check your fluids constantly and refill them gets to be tiering, now I know one of you are going to say "turbo cars need more maintenance that a non modified factory car" and yes I agree with that but I couldn't go without checking the levels for more than 2 days and because of this **** I only drove my car for 2000miles for the whole summer last year and I was afraid of driving out of town cause I thought something could have happened.

I also tryied retorquing the head studs and doing **** like that but nothing worked for me so thats the whole reason why I said that reliability goes down the drain as it did for me..

Other than that "Go thick Headgaskets"!!!! That was the only way I could have ran 15psi under my budget and hit a pritty decent mph in the 1/4 mile on a totally street tuned car.. If you ask me about the inline pro headgasket I will be the first in this forum to back it up 100% of the way, and one of the reasons being people like me that don't have the budget of building their whole motor before seeing boost and really cranking it up to make some real power with a simple setup.

Now as far as the last post by redline201 the inline pro headgasket will work up to 22psi so your +3psi theory of only bing able to turn the boost up over the stock headgasket is wrong.. And 22psi has also been proven.

Adi
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Old Mar 10, 2003 | 03:12 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (newgsr)

i had an inlinepro head gasket on my car with 2 different set ups. it worked perfectly and i'd recommend it to anyone as a means to drop compression.
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Old Mar 10, 2003 | 03:48 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (jinxproof99)

I am goin to use the inline pro block gaurd and HG. can anyone tell me if the oil or coolant does leak so I can make sure I keep and eye on it.

I thought inline pro used OEM paper gaskets over top the metel plate? so why would it leak :dunno:
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Old Mar 10, 2003 | 05:15 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (autoEXturbo)

yea, this guy beat my car and my car is far from slow, i will get you this year.
hehe...Maybe so...I just wanna run my 10's..I have a few mods that I have to do for this upcoming season so I guess that we'll have to see bout that...
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Old Mar 10, 2003 | 05:16 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (ITR41)

yeah 22 psi on race gas w/ the inline pro
i was talkin about pump gas

this is an email i got from jeremy at inlinepro

For that application we recommend a 3mm head gasket which will lower the compression to about 9:1. If the fuel setup is done correctly you can run 12psi on pump gas and up to 22psi on race gas. If you have anymore questions please call the shop 703-644-1788

Jeremy

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Old Mar 10, 2003 | 07:04 PM
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Default Re: Thicker head gsket to lower compression...good idea???? (redline201)

Since my hg blew, i am very distrustful of thick head gaskets... stock is the way to go
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Old Mar 10, 2003 | 07:14 PM
  #20  
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Default Re: Thicker head gsket to lower compression...good idea???? (MiraiZ)

Since my hg blew, i am very distrustful of thick head gaskets... stock is the way to go
what headgasket were you running when it blew?
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Old Mar 10, 2003 | 07:16 PM
  #21  
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Default Re: Thicker head gsket to lower compression...good idea???? (intekragsr)

R Ideal POS that came with my FMAX...it was actually in tact...but leaking all over...stock isn't perfect but its better...or so I'm told....

don't know about the cometics or the inline pro suff tho..
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Old Mar 10, 2003 | 07:26 PM
  #22  
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Default Re: Thicker head gsket to lower compression...good idea???? (MiraiZ)

oh ok, i have so many mixed opinons about my cometic gasket i just installed. I cant test it out till next week.
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