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PGClassic slotted tips didn't hold the red paint either

Posted By: NachoRT74

PGClassic slotted tips didn't hold the red paint either - 10/07/12 03:12 PM

I made a roadtrip on an interstate highway. Going down from my city ( I live at 900-1000 meters height city ) to a 500 meters city the red paint hold the heat and exhaust fumes mixture. I didn't need to give a lot of gas to the car though.

But now, going up for 1 hour, 80 MPH average when I had to give more gas and produce more heat due the hill, the paint didn't hold

what to use now ?

I have heard powdercoating
Posted By: mikemee1331

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 03:40 PM

i'll go out on a limb here and say most likely the tips are painted red AFTER they are chromed and there's no way it's gonna stick. i highly doubt its a heat issue too much since the exaust has cooled quite a bit by the time it hits the tips. that said it's mostly the constant exaust movement and the increased heat ON a chromed surface that is doing it.
Posted By: NachoRT74

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 03:50 PM

PG Classic are stainless steel

If I have to powdercoat, would need to cut the welding points to remove the inner pipe, and then reassembly.
Posted By: mikemee1331

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 04:04 PM

this will sound silly but fingernail polish sticks really well on stainless.
Posted By: 1_WILD_RT

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 06:38 PM

Quote:

PG Classic are stainless steel

If I have to powdercoat, would need to cut the welding points to remove the inner pipe, and then reassembly.




Why? You can mask the areas that don't get powder, they have tape for powder coating that lives in the oven... The powder is attracted by an electrical charge so when fogged it will find any exposed metal... And personally before powder coating I would mask the polished areas one with masking tape then a second time with duct tape & run then through my blast cabinet... A little etching of the surfaces that are to be powder coated should help...
Posted By: NachoRT74

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 07:05 PM

mmmm... dunno... will check further in that. I'm worried about get inside the slots the best as posible.

beside that, to powdercoat and stick well, needs to be REALLY GOOD cleaned

I wouldn't care to dissasemble it anyway because the pieces I got are not really aligned. The outer SS finish pipe is not aligned with the hanger so if you look at the tip I fit on passenger side it looks like pointing out.

like this guy
http://www.clicmas1.com/wp-content/uploads/2011/08/Cani_bizco.jpeg

LOL


do you think REALLY powdercoat holds heat and exhaust fumes ?

if so... it can be brilliant finish or need to be matte ?

I think found some guys offering the service locally.
Posted By: 1_WILD_RT

Re: PGClassic slotted tips didn't hold the red paint either - 10/07/12 07:44 PM

Powder coat is baked at 400 degrees so the back end of the exhaust should be fine, near the manifolds would require high temp powder which is hard to source & spendy but the tips shouldn't get over 200 degrees which is easily within the abilities of regular powder..... Like I mentioned powder will cover, you can be spraying the face of a part & the material that oversprays the edge will attach itself to the rear of the part.... Durability wise Gloss is usually better...
Posted By: NachoRT74

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 12:07 AM

I'm wondering if these tips are also already powdercoated. The red finish is chiping/peeling off like if was somekind of metallic skin, like a damaged chrome on a bumper. Dunno if the powdercoat fits like this

some areas are kinda goldish, then the rest black burnt



if you make the close up, will notice some cracks between slots. Inside the pipe you see a clear area, thats the exposed pipe. The paint there peeled off like I described



same tip on opposite side... the gray areas on slotted areas is the paint peel off.

the other side pipe doesn't looks so bad but still bad. ( it can be noticed on the second pic )

wondering if really is temp issue or fumes polution issue ( mixture/chemical related ), being maybe passenger side bank on engine burning worst than driver side
Posted By: pinkduster

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 02:27 AM

That's awful!!! For what those things cost, you should NOT have to worry about that stuff coming off! They look like 30 year old tips! Now I'm even more glad that I made the decision to not use tips on my car.
Posted By: NachoRT74

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 01:25 PM

pic taken 1 week ago



now wondering... how much last longed original tips on drivers cars back in the days like they were( like my car useage ), even on highway useage!

and what kind of paint was used on them?

( note, SS on mine is pristine, just dirty )
Posted By: mopars4ever

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 03:44 PM

I bought some chrome tips off ebay a few years back and I painted the inside black thru the slots in the tips. The paint never came off or peeled. I just used regular spray can paint I bought at the hardware store. I don`t think the heat caused your peeling problem.
Posted By: rck850

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 04:10 PM

I've had BE/A slotted tips on the back of my 360 Roadrunner for six years now. Other than being a pain to clean, I have not had any problems.
Posted By: RSNOMO

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 04:32 PM

Re-worked a set of OEM Charger tips...

Eliminated the stock 'insert', fabbed a new one out of aluminized...

Straight shot...No more 'flange' to rust-out...

Had 'em re-chromed, taped 'em off and shot the inserts with orange engine enamel...

15 years...No issues...
Posted By: Steve340

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 05:04 PM

Glass bead the area you are going to paint first. The paint will then stick to the chrome.
Posted By: NachoRT74

Re: PGClassic slotted tips didn't hold the red paint either - 10/08/12 05:59 PM

I'm pretty sure will dissasemble them

ok, for those who say didn't got a problem... HAVE YOU REALLY USED YOUR CARS ? my tips hold the finish for a week, but just driving around the city, but things changed going interstate, as I described, returning to my city


Engine enamel was the first try on my tips, what came out on the first return to my city

so if you think heat is not the problem... what could be ? exaust fumes due mixture ?
Posted By: screamindriver

Re: PGClassic slotted tips didn't hold the red paint either - 10/09/12 12:37 AM

I'm just ending the road runner's second season on the stainless set I bought{about a thousand miles a year}...No evidence of the paint peeling yet...And I've got it tuned very well so there's no black soot flying out and covering the paint... ...Strange I was just thinking how well they've been holding up the other day..
Posted By: RSNOMO

Re: PGClassic slotted tips didn't hold the red paint either - 10/09/12 06:54 PM

15 years...

20,000 miles...

Holding up well...

If yer blowing off paint that soon, you got adhesion issues...
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