Percy xx carbon exhaust gasket material - passed my first (and second) stress tests - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-13-2007, 03:06 AM
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Percy xx carbon exhaust gasket material - passed my first (and second) stress tests

well my buddies turbocharged car keeps destroying exhaust gaskets @ the flex pipe, it ate up the Mr Gasket stuff, it burnted a hole in some aluminium plate ... this car is like letting cookie monster loose loose in a bakery

so a little over a week ago i made a thread asking what the heck we should use, one of the replys i received was "percys xx carbon gasket material"

as luck would have it, about the same time i got the recomendation, my buddy was out of town visiting friends, one of which had said "lets see what summit racing has for you"

summit also suggested the percy xx, and alex purchased some and had it shipped to his house here

so today i cut a new gasket for the flex pipe and installed it

i took a scrap of the Percy's xx, and held it in front of the 150,000 btu torpedo heater, if i remember correctly, steel gets red hot around 3000 degrees F ..... so how hot would the exhaust be 1" from the end of the heater ?

15 seconds, the shine on the material faded slightly
30 seconds, slightly more fade
45 seconds - fading has stopped
1 minute, a very slight wiff of smoke when the material is pulled from the heat
1 minute 30 seconds - smoke has stopped, no visable change
2 minutes, my knuckles are screaming hot, i press on

5 minutes of holding this stuff a mere inch off the red hot plate at the end of the torpedo heater, right in the flow of hot exhaust and the heated section is barely different then the unheated section

here is a quote from the Percy site:

Quote:
These gaskets can withstand long term direct exposure to over 2000 farenhight.
I FIND THIS STATEMENT TO BE AMAZINGLY ACCURATE!

also, after installing the gasket, i decided to run some mig welds across the flanges, ensuring that the 2 bolt flange we're using wouldnt rock open and cause a leak. the gasket material poking out at either end of the weld failed to burst into flames

it failed to smoke

it failed to discolor



for the record, i repeated the test again w/ the mister gasket material, it once again started to char after a meer 5-10 seconds in the heat, letting off a massive amount of smoke in the process

30 seconds would have reduced the Mr Gasket material to its steel core

heres the listing for percy gaskets on summit racing
http://store.summitracing.com/egnsea...115+4294925237

heres the percy website for said gaskets
http://www.percyshp.com/index.php?op...id=4&Itemid=31

heres the main page for the percy website, in case you want to see what else they offer
http://www.percyshp.com

this has been another LowRollerChevy "omg i think that was advertising and i think we should report it to Jon NOW" thread

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Last edited by lowROLLERchevy; 01-13-2007 at 03:12 AM.
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Old 01-13-2007, 02:08 PM
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bump for the after work crew
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Old 01-13-2007, 02:21 PM
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glad to hear it worked for you, It seems rare these days that a product actually lives up to the company's claims. What kind of car does your friend have? and also what is a torpedo heater?
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Old 01-13-2007, 02:28 PM
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the car is a 1994 taurus SHO with the 3.2L DOHC Yamaha engine

thread about it: My current project: TC'ing a friends 1994 Ford SHO - pics

photo gallery: http://www.sonikempire.com/gallery/t....php?album=116

and this is a "torpedo heater":


the one i used was running on Kerosene at the time
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Old 01-14-2007, 08:35 AM
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Nice looking car , a guy I work with has one the same color, if he ever sells it I'd love to get my hands on it, would make an awesome sleeper.
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Old 01-19-2007, 03:24 PM
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and my email to them is now on the front page of their site:

http://www.percyshp.com/
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Old 02-17-2007, 09:29 PM
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Please share your favorite website

How do you do ! Great way to find full software and download it http://SoftLinks.eu/ , I would appriciate you if share some links with me. Thank you in advance for you help ! Bye, Bye
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