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Exhaust manifold gasket reuseable?

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Old Nov 9, 2001 | 09:30 AM
  #1  
Wet Nudl's Avatar
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Default Exhaust manifold gasket reuseable?

I'm mounting a new oil pan and need to take off the header. Are both the exhaust manifold gasket (metal) and header-to-cat gasket reuseable?
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Old Nov 9, 2001 | 09:39 AM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

My understanding is: if they are still in good shape ... then re-use them.
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Old Nov 9, 2001 | 09:41 AM
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Default Re: Exhaust manifold gasket reuseable? (AdamITR)

Honda says never re-use... but everyone knows you can get away with it a few times. Most I've gone was like 3 times use and it finally had a tiny leak.

The bottom donut, I find that thing gets fuckd up quick because the engine torques and it moves around.. so I usually replace those while I am there.
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Old Nov 9, 2001 | 09:41 AM
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Default Re: Exhaust manifold gasket reuseable? (AdamITR)

Yep, if theyre in good condition, there is no problem reusing them.
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Old Nov 9, 2001 | 10:02 AM
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Default Re: Exhaust manifold gasket reuseable? (newgsrdriver)

I reused the same OEM one when I placed my header on.
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Old Nov 9, 2001 | 10:04 AM
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Default Re: Exhaust manifold gasket reuseable? (Blazin ITR)

Its only like $10 from acura? Get the donut if its a couple years old.
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Old Nov 9, 2001 | 10:05 AM
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Default Re: Exhaust manifold gasket reuseable? (Chris)

Does Acura sells the 2.5" doughnut? What other Acura uses the 2.5" doughnut?
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Old Nov 9, 2001 | 10:10 AM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

Oh, You neglected to mention you have the JDM header!

Re-use it or order another from someone that can get JDM stuff!
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Old Nov 9, 2001 | 10:12 AM
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Default Re: Exhaust manifold gasket reuseable? (Chris)

when I changed my header to a Comptech a while back, I reused the gasket...
when I changed it to my current setup, I used the one supplied w/ the Spoon header...I've had it off once since then and it was still in perfect shape, so I reused it...
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Old Nov 9, 2001 | 10:12 AM
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Default Re: Exhaust manifold gasket reuseable? (Chris)

will the S2000 donut fit? I remember someone listing equivalent donuts that will work, but I can't remember what they were

yoshi - who just had a donut - yummy
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Old Nov 9, 2001 | 10:14 AM
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Default Re: Exhaust manifold gasket reuseable? (yoshi234)

I believe the older legends used a 2 1/2 inch doughnut
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Old Nov 9, 2001 | 10:36 AM
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Default Re: Exhaust manifold gasket reuseable? (MugenEg6)

What year Legend?
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Old Nov 9, 2001 | 08:30 PM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

18229-SP0-J51
94-95 Legend GS
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Old Nov 9, 2001 | 09:49 PM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

I'm mounting a new oil pan and need to take off the header. Are both the exhaust manifold gasket (metal) and header-to-cat gasket reuseable?
Randy,

My advice is to never skimp on gaskets or motor oil.

What kind of oil pan are u putting in???
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Old Nov 9, 2001 | 10:47 PM
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Default Re: Exhaust manifold gasket reuseable? (yoshi234)

will the S2000 donut fit? I remember someone listing equivalent donuts that will work, but I can't remember what they were

yoshi - who just had a donut - yummy
Yup, S2000 Gasket also works along with the legends as Mike K posted
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Old Nov 10, 2001 | 02:25 AM
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Default Re: Exhaust manifold gasket reuseable? (kengs)

I'm mounting a new oil pan and need to take off the header. Are both the exhaust manifold gasket (metal) and header-to-cat gasket reuseable?

Randy,

My advice is to never skimp on gaskets or motor oil.

What kind of oil pan are u putting in???
he's putting in the Mugen oil pan i believe.
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Old Nov 10, 2001 | 11:10 AM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

i used a factory exhaust doughnut from a 1991 Acura Legend V6..
but they are expensive....the factory one is about $40 Canadian..

Anyone out here know of a cheaper alternative???
i tried to look an aftermarket one, but so far no luck...
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Old Nov 10, 2001 | 11:18 AM
  #18  
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Default Re: Exhaust manifold gasket reuseable? (Type Goch)

1500 posts Goch??? Dang boy, that was quick..

After hitting the rev limiter a few times while taking a freeway on ramp, I've decided to install the oil pan before my first smog next July. I was going to wait for the smog inspection to install the oil pan since I have to put the stock header back, but just last night I hit 9000rpm again taking the Grand Ave on-ramp on the 60fwy while having my ways with the Mustang. I was a good 50ft ahead when I saw him merge onto the freeway.
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Old Nov 10, 2001 | 03:00 PM
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Default Re: Exhaust manifold gasket reuseable? (TypeRP)

Mugen pan? U suck man

BTW - be careful out there!
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Old Nov 10, 2001 | 03:12 PM
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Default Re: Exhaust manifold gasket reuseable? (kengs)

Mike beat me to it, but these two donuts will fit:

Acura (from an early 90's Legend coupe) - 18229 SPO J51
Honda (from the S2000) - 18229 PCX 003

I reused my ex. mani. gasket, but had less than 10k miles on the car when I put the JDM header on.
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Old Nov 11, 2001 | 05:15 PM
  #21  
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Default Re: Exhaust manifold gasket reuseable? (itr009)

[QUOTE] Acura (from an early 90's Legend coupe) - 18229 SPO J51
Honda (from the S2000) - 18229 PCX 003
QUOTE]

Yes, and if I remember correctly, the PCX number is 4-5 dollars cheaper.
Too bad the part number is unavailable for Acura dealers.

Anyway, not to cut my own throat or anything.. but you'd be better off just going to Honda and picking up a S2K gasket.. especially if u have a hookup in the parts dept at Honda. Just 2 cents worth of advice.. later
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