best head gasket for 91 tsi
 

whats the best head gasket for a 91 tsi awd? only thing done is fmic and 2.5 turbo back exhaust with no cat also where can I find said gasket without ordering it online?

Re: best head gasket for 91 tsi
 

cometic

Re: best head gasket for 91 tsi
 

I agree, unless you will not be machining the block and head surfaces. In which case I would recommend an SCE ICS Titan coppper head gasket which will seal better and has an Internal Combustion Seal for high boost applications. Either way here are some prices ;)

Cometic $79.99
SCE ICS Titan $109.99

Both are in stock! Good luck!

Chris Carey

Re: best head gasket for 91 tsi
 

Stock headgasket is fine.

Re: best head gasket for 91 tsi
 

Stock composite headgasket with ARP's FTW. Deffinatley best suited for your application

Re: best head gasket for 91 tsi
 

I have an OEM copper sprayed head gasket, i would recommend it highly, i was running 20psi for a while no problems

Re: best head gasket for 91 tsi
 

I'm going to need a new head gasket pretty soon. I don't plan on running too much boost or anything, but I figure I might as well spend the money and get a cometic which should handle everything I can toss at it.

Re: best head gasket for 91 tsi
 

Evo 3 Metal headgasket from Mitsu, it has pressure seals and it is 4-5 layers of metal. I sprayed mine with the copper spray and boost 25psi just fine. Plus it was only like 70 bucks from mitsu.

Re: best head gasket for 91 tsi
 

+1 for stock copper sprayed with ARP's. Ive made 10+ passes at 30 PSI on mine. I haven't heard mutch good about the newer cometics since they dont offer there HP version anymore.

Re: best head gasket for 91 tsi
 

I agree that for most applications the OEM with ARP's will definitely do the trick, but he asked for the "best" lol. Also, we have about 5 HP versions in stock if you are interested ;)

Chris

Re: best head gasket for 91 tsi
 

I was running a stock oem coppersprayed hg, but since I did my valvesprings/retainers, I slapped on a cometic hp headgasket. I also torqued the arp's to 100 ft. lbs. Don't want it lifting, or having any gaps.

-A. Swift

Re: best head gasket for 91 tsi
 

cool, we should be down on saturday to pick one up

Re: best head gasket for 91 tsi
 

Sounds good!

Chris

Re: best head gasket for 91 tsi
 

Fail.
He needs a stock headgasket.


MD183808 List price $55.25
Mitsustyle.com price: $44.20

Can someone please explain to me why a STOCK car needs a copper or a MLS gasket? It comes factory with a composite. Without changing the RA value of the head surface, he is most likely shooting himself in the foot.
I've seen composite headgaskets hold north of 500whp w/o issues.

Re: best head gasket for 91 tsi
 

I'm going to say stock Mitsu headgasket with ARP headstuds, copper spray it if you feel saucy.

Re: best head gasket for 91 tsi
 

the head is getting machined so a thicker one is probably needed, the extra 20 bucks is worth not tearing it apart again when more mods inevitably get added

Re: best head gasket for 91 tsi
 

Yep once you start it's hard to stop lol

Chris

Re: best head gasket for 91 tsi
 

I would just simply suggest that you tell the machine shop what headgasket that you are going with. This is to insure they put the proper RA value on the head deck so the gasket will seal properly. Cometic recommends less than 50.
The slight bump in compression from the massive 7.8:1 factory compression ratio shouldn't nuke your motor. I would be more concerned as to why you blew a headgasket in the first place.

Re: best head gasket for 91 tsi
 

I am running a stocker with copper spray, it's even a Hyundai! It has held 35 psi, so I would also just recommend a stocker.

Re: best head gasket for 91 tsi
 

The stock headgasket Might be your savior in the long run. I've blown mine with detination before. If the head gasket hadent let go Id probly have tosted some pistons or damaged some valves. The cometic HP will hold more then the stocker and let engine Damage occore. I consider mine a fuse. Id rather replace a headgasket then a motor.

Re: best head gasket for 91 tsi
 

That is exactly why I now use a stocker. I melted some big channels in the head when I was on the dyno with the cometic HP. I would rather spend 3 hours changing a head gasket than having a head rewelded.

Re: best head gasket for 91 tsi
 

No one will ever agree on what head gasket to use.

Cometic = High High Boost applications (28plus PSI, ONLY if block and head are both properly machined)

SCE ICS = High High Boost applications (28plus PSI, can be used on non true surfaces, but not recommended)

OE Mitsu = Any regular old DSM (up to 25psi on anything up to a 50trim)


While I haven't seen much about the SCE ICS headgasket, I know that copper is a FANTASTIC material for a head gasket, and I see it possibly making cometics go obsolete. The fact that it has a built in steel ring that acts a tiny bit like an O-Ring I find sweet. Downside is if the head starts lifting (fucking cylinder pressure!) you can start to ruin things. Same goes with any other gasket though.

Thats my .02

Re: best head gasket for 91 tsi
 

I've ran 35psi with the OEM head gasket and 42psi with an o-ringed head and OEM head gasket.


As for the opinions...

I'd use a OEM H/G as well.

Re: best head gasket for 91 tsi
 

Yeah, saying the stock HG is good to 25 psi on a 50 trim and under is just dumb. I know one member that finally got the stocker to pop at 41 psi on the dyno. It held high 30's fine. Oh yeah, it was bigger than a 50 trim too and made over 500 whp.

Re: best head gasket for 91 tsi
 

"No one can agree".
:news:

Unless everyone on this website is wrong for successfully using OEM headgaskets for years, I think there is an agreement.

Re: best head gasket for 91 tsi
 

On a motor that is going to be running 40lbs of boost, please give me a good reason to run a OE composite gasket other than inability to tune.

Wait, wait, I got it! The OE's are wrong for using non composite gaskets in almost all high HP factory engines now! Sorry, MLS and Copper head gaskets suck!

For high horsepower applications, there are MUCH better options out there IE Cometic and SCE ICS, or hell, even an OE Mitsu MLS.

Re: best head gasket for 91 tsi
 

Maybe if you would stop being a jackass and listen to what we are saying rather than think of yourself as the almighty car god you would get the point we are trying to make.

Will the OEM head gasket work for this application? Yes

Is it the best head gasket available? No.

Perhaps you should read the title of this thread more closely? And you can't honestly tell me that the OEM head gasket is the best choice running upwards of 40 psi???

Here is some "proper tech input" on a material known as Copper, and three reasons why it makes a better head gasket:

1. Conductivity. Copper is the standard by which all other conductors are measured, therefore a copper gasket provides superior thermal conductivity, acting to stabilize head and block temperatures which makes tuning easier.

2. 25% coefficient of elasticity. One of the properties of copper is that it stretches before a catastrophic failure, thereby providing an extra measure of safety in case of severe detonation.

3. Strength. Copper has a tensile strength of approximately 32,000 psi, compare this to the 1,200 to 1800 psi tensile of most facing materials used on conventional performance head gaskets.

Re: best head gasket for 91 tsi
 

Easy now boys. ;)

Re: best head gasket for 91 tsi
 

Copper normally shouldn't be used unless you are doing an O-ring/reciever groove setup on the block/head. People have had nothing but problems with copper headgaskets the last 10 years on DSMs. Maybe these new ones are better, but the older SCE stuff was crap.

Stock headgaskets are awesome, I run 28psi on stock headbolts with them on my own cars. The Mitsu metal HGs are awesome until they start leaking between the layers. Cometics are great also when the surfaces are prepped properly. There is a reason why they stopped making the Cometic HP versions also.

Re: best head gasket for 91 tsi
 

I agree without the ICS (Internal Combustion Seal) the SCE wouldn't be a viable option. It is as close to O-ringing as you can get without actually doing to machine work lol. And as far as I know the Cometic HP's were discontinued based upon their version of the ICS which moved around freely and caused several issues when not properly installed...

Stock head bolts huh?

Chris

Re: best head gasket for 91 tsi
 

This block in question is not being honed, so it will not be flat. He is also not going to be running 40 psi, therefore for this application the stock headgasket IS the best for this application. If he were going to consistently run over 35 psi or had both the head and block remachined, then that would change.

Re: best head gasket for 91 tsi
 

There is no question that the OEM will work, my point is simply that the ICS Titan would be better if he decides to add modifications down the line. Also, with the ICS Titan it is not required that the surface be machined. Therefore we will be using these on all non-machined high boost applications.

Re: best head gasket for 91 tsi
 

Stock 1G head bolts are very strong, maybe stronger than ARPs. There is also a huge difference between 28psi on a 14B and 28psi on GT35R. Cylinder pressure is what spins that crank device in the bottom of the motor, not boost.

Re: best head gasket for 91 tsi
 

Get one of those Cut-it-yourself gasket makers. It's cheaper than stock and you can get it close to round if you try hard enough.

Better yet, RTV!!!!!!!

Re: best head gasket for 91 tsi
 

Don't even run a hg. If the surfaces are flat enough, just tighten down the headstuds! Duh!

-A. Swift

Re: best head gasket for 91 tsi
 

+1 for RTV!

Re: best head gasket for 91 tsi
 

Why thank you. I tend to think that I know a thing or two about cars, but a car god? You shouldn't have.
I am hearing EXACTLY what you are saying. We have these instock and on sale. I've got this sweet account and can link information from the vendors website for supporting facts. Give credit where credit is due? Why would I do that?

Well Duh. But if you looked at what the customer has for modifications, not your shelf stock, you would realize your recommondation is WRONG. He has intercooler piping and a fmic as modifications. Unless he is trying to make a car that makes more power than most people on this website, he'll be fine. Now if he listed stuff like "I want 600+awhp" then yes a properly configured copper/composite headgasket with the proper surface on the head deck will be a good idea.
Yeah he said best head gasket for 91 tsi. Not best headgasket for my 71mm, built motor, built car. He blew a headgasket on his stockish car, he wants a replacement. Yes he does not want to replace it again, but spending extra money for an item that is not needed is a bit foolish.

http://www.scegaskets.com/techtips/benefitsof.html

You could have just linked it you jackass. Great copy and paste.


The difference between you and me, is that I WRITE the fucking tech articles, you just copy and paste them.
:GoogleHell2:

Now back to designing upgraded oil pump gears for the 6g72's and other products for vehicles that NEED it. Forgive me for devoting R&D time into worthwhile products with my "godlike" powers, LMAO.

Re: best head gasket for 91 tsi
 

Com'on guys, no need to call out eachother on a forum where you are both vendors.

Here is a hose.... Wash that sand out your vagina. Its the internet guys!

Re: best head gasket for 91 tsi
 

Wow, simply wow. There goes the "we welcome competition". Ditch the Buschur-like better than God attitude Swanny; in the long-run, its never good for a business nor is is good for friendly competition.

Re: best head gasket for 91 tsi
 

Swanny- You DO need to stop acting like a "Car God," it gets real old and definetly is going to hurt you. Everyone has different opinions and yours is NOT always correct. If you would have done things right on your 3S in the first place, you would not have blown how many engines? So don't get into the topic of spending extra money for an item that isn't "needed."

Original topic was what is the BEST head gasket for a 91 tsi AWD, didn't say anything else. So technically the best is usually the top model of X brand. Therefore a stock mitsu is not correct, even though it might be good enough or the best option for now.

All this one sided shop talk is getting pretty rediculous.