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Manifold Stains

 
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Old 20 Apr 2004, 04:31 am
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Default Manifold Stains

Alright, I did do a search to see what people are using to get the stains off of the front of the manifold. Didn't find anything. It's starting to bug me now [xx(] [:0]
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Old 20 Apr 2004, 07:24 am
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Is this what you're looking for.
http://www.ptcruiserlinks.com/forum/...Terms=manifold
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Old 20 Apr 2004, 08:17 am
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What exactly did you do a search on?

Same way with mine...Im thinking Ill just powdecoat it gunmetal
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Old 20 Apr 2004, 01:09 pm
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Quote:
quote:Originally posted by bigdogdad

Is this what you're looking for.
http://www.ptcruiserlinks.com/forum/...Terms=manifold
Thanks, that be the one.
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Old 20 Apr 2004, 02:10 pm
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So is it agreed that so far we think this is just normal road grime which for whatever reason seeks the manifold??
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Old 20 Apr 2004, 03:42 pm
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Quote:
quote:Originally posted by SteelBlueGT

So is it agreed that so far we think this is just normal road grime which for whatever reason seeks the manifold??
Yeah, I just sprayed a little "Orange Cleaner" stuff on it and it came right off with an old soft paint brush that I clean my wheels with. I checked the torque and they were all tight.
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Old 20 Apr 2004, 08:11 pm
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I like the powdercoating idea
Gunmetal
I have the discoloration also.
Interesting thing is that when I removed and replaced the gasket when I installed S1, the gasket was clean and dry.
That manifold should have only air running through it.
UNless the cast aluminum is porous enough to allow oil vapor to settle in the only area that has turbulence along the track.
Kinda like with endocarditis: bacteria settle around a valve leaflet because of turbulence that allows it to settle. Especially when it is generated by an abnormal valve (MVP, bicuspid aortic valve, floppy chorda tendinae). maybe it's the same thing with oil vapors along the gasket seal and have diffusion of oil along the interface between the gasket and manifold and then settles along the base of the runners.
Or, everything I said is complete bullsh-t[]
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Old 23 Apr 2004, 11:56 pm
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I just looked at mine. I am NOT happy. 5800 miles. Yes,,, there are "stains" from the gasket area upwards. It is definitly oil stains, just scrape off the front of the manifold bolts,,, with your finger, this is not road grime.

After examining the entire manifold joint area I see that "there just ain't enuff boltz". Try to imagine a mere 10 lbs of boost in there... ( ya can do this by trying to blow into a boost gauge with your mouth and havin someone look at it from da front,,,if ya get 3 pounds, your lucky) this is a HUGE amount of pressure in that plenum. Now boost it up to 16 lbs. I'm sorry, but this area is going to leak with the factory supplied bolt pattern. "There just ain't enuff boltz." Add that to over 60 mph + speeds ,,, it blows back up onto the manifold.

IMHO, I believe that we have oil blow by in the turbo seals causeing this problem. That's the only place it could come from.

My Stage 1 kit is on the way. I anticipate installing it the 15th of May (or so). I will be scrutinizing the entire manifold, as i want to port match it all and maybe polish it up a little, while I have it apart.

My 2 centz

George C. Thomas
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Old 24 Apr 2004, 06:25 pm
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Used Goo Gone to clean it up and it looks nice again.[?]
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Old 26 Apr 2004, 02:14 pm
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Quote:
quote:Originally posted by Mean Green

Used Goo Gone to clean it up and it looks nice again.[?]
Same here and tighned bolts slightly We will see how long this lasts I got my stains at about 8,000 miles originally!
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