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Re: Re-using Cometic gaskets
[Re: torkrules]
#656741
03/31/10 08:48 AM
03/31/10 08:48 AM
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Joined: May 2005
Posts: 84
NC
Badfish67
member
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member
Joined: May 2005
Posts: 84
NC
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I just reused mine with no issues and have about 10 passes on the motor so far with no leaks.
1967 Barracuda
360ci/727
9.723ET @139.44mph
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Re: Re-using Cometic gaskets
[Re: roadhazard]
#656743
03/31/10 09:13 AM
03/31/10 09:13 AM
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Joined: Jan 2004
Posts: 4,866
North of Detroit
HemiDart68
master
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master
Joined: Jan 2004
Posts: 4,866
North of Detroit
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I know people have re used them with good luck. But keep in mind a Hemi with aluminum heads are way more finicky and less forgiving when it comes to water seepage then a wedge motor. Cometic does not reccomend re using them. Are you going to run the motor on the dyno again? I saw your earlier post and your talking about changing heads from MP to stage V. If your going to a completly different head you should get new gaskets. Also my opinion if your keeping the same head, and going to dyno the motor maybe roll the dice. but id hate to get a motor in the car, and have to pull the heads, to me that isn't worth the savings.
In God we trust, all others pay cash.
www.lightnens.com (Home of the world's fastest Paint Job)
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Re: Re-using Cometic gaskets
[Re: HemiDart68]
#656744
03/31/10 01:46 PM
03/31/10 01:46 PM
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Joined: May 2004
Posts: 2,864
IN
Irun5snd8th
master
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master
Joined: May 2004
Posts: 2,864
IN
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I got 5 re uses out of my last set but they started leaking water (unbeknownst to me) in 2 cylinders on the last re use
AFCO, Rons Fuel Injection sponsored Dodge Challenger
Mention Street Lethal Motorsports
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Re: Re-using Cometic gaskets
[Re: TheOtherDodge]
#656746
03/31/10 07:20 PM
03/31/10 07:20 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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I have reused some ragged looking Cometics time and time again--3 at least--quick spray with Holomar ( Gosh! that stuff is $$$ ) and away you go no worry--honest two to three times is FINE!
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Re: Re-using Cometic gaskets
[Re: HemiDart68]
#656747
03/31/10 08:03 PM
03/31/10 08:03 PM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
OP
I'm neurotic
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OP
I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
I know people have re used them with good luck. But keep in mind a Hemi with aluminum heads are way more finicky and less forgiving when it comes to water seepage then a wedge motor. Cometic does not reccomend re using them. Are you going to run the motor on the dyno again? I saw your earlier post and your talking about changing heads from MP to stage V. If your going to a completly different head you should get new gaskets. Also my opinion if your keeping the same head, and going to dyno the motor maybe roll the dice. but id hate to get a motor in the car, and have to pull the heads, to me that isn't worth the savings.
Tim Banning said the same thing. Since the heads are being changed he advised to replace the gaskets. Right now for me what Tim says goes. If he told me my problems would go away if I chewed aluminum foil, I'd buy every roll I could get my hands on. 
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