Re: exhaust manifolds, no paint..resto..
[Re: cdp]
#1043423
07/30/11 09:52 PM
07/30/11 09:52 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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I would think the engine paint would not stick to the manifolds with the gear oil on it.
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Re: exhaust manifolds, no paint..resto..
[Re: ]
#1043424
07/30/11 10:12 PM
07/30/11 10:12 PM
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Joined: Jan 2006
Posts: 3,535 Canuckville
68Cbarge
master
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master
Joined: Jan 2006
Posts: 3,535
Canuckville
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All engines were assembled with the manifolds on them,then painted. As we all know,the paint on the manifolds lasted not long after being driven. So,the "correct" look is..paint burned off and bare metal. For those who prefer opening the hood like a jewelery box,using POR-15,or Eastwood's manifold paint is better looking than rusty exhaust manifolds. Many of us have done tons of detailing under the hood and the products mentioned above have become acceptable in the hobby In the past,I gave my logs a good blast of glass beading for the "au-natural look,LOL!As time went by they showed there true age. This time I am using the POR-15.
'68 Newport Custom Barge on a Budget!! BOAB 1973 Satellite WAGON! 318- 3 on the tree!! 2008 Chrysler 300c HEMI!
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Re: exhaust manifolds, no paint..resto..
[Re: ScottSmith_Harms]
#1043426
07/30/11 10:33 PM
07/30/11 10:33 PM
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Joined: Oct 2006
Posts: 7,367 Iowa
burdar
Owen's Dad
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Owen's Dad
Joined: Oct 2006
Posts: 7,367
Iowa
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I also wondered if paint would stick to a manifold that was dipped in gear oil. My guess is that it probably would stick since you burn off the excess with a torch first. Maybe I'll get to that stage this winter...I said that last summer too. The few parts I've used RPM on, seem slightly waxy after they have cooled off. I don't think the paint is going to work. Maybe the RPM could be applied after the mounting flanges have been painted? I guess both ways are worth a try.
Last edited by burdar; 07/30/11 10:37 PM.
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Re: exhaust manifolds, no paint..resto..
[Re: burdar]
#1043427
07/30/11 10:54 PM
07/30/11 10:54 PM
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Anonymous
Unregistered
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Anonymous
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Quote:
I also wondered if paint would stick to a manifold that was dipped in gear oil. My guess is that it probably would stick since you burn off the excess with a torch first. Maybe I'll get to that stage this winter...I said that last summer too.
The few parts I've used RPM on, seem slightly waxy after they have cooled off. I don't think the paint is going to work. Maybe the RPM could be applied after the mounting flanges have been painted? I guess both ways are worth a try.
If you put the paint on and then the RPM, you are kinda defeating the purpose of putting the RPM on since the painted area will burn off and then rust leaving the other are with the RPM nice and clean. Also, I wonder how well the RPM will hold up to the extreme heat? My guess is that with the constant heat, it will thin out like when you apply the stuff on a heated part and then run off causing a mess. If it doesn't then I know what I am doing next winter!
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Re: exhaust manifolds, no paint..resto..
[Re: burdar]
#1043428
07/30/11 10:57 PM
07/30/11 10:57 PM
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Joined: Apr 2005
Posts: 1,528 Southeast PA
5wndwcpe
pro stock
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pro stock
Joined: Apr 2005
Posts: 1,528
Southeast PA
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Never tried it myself but I have heard of rubbing them with graphite after blasting. Supposedly they don't rust and still retain the cast look.
1968 GTX hardtop 1968 Sport Satellite Convertible 383/4spd 1933 Plymouth coupe 2002 Ram 2500 oil burner 4x4 2015 Grand Cherokee 2013 Challenger 1957 Chrysler Saratoga
Man...I need a bigger freakin' garage.
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Re: exhaust manifolds, no paint..resto..
[Re: 5wndwcpe]
#1043430
07/30/11 11:27 PM
07/30/11 11:27 PM
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Joined: Jan 2003
Posts: 20,541 Eagle, Idaho
Neil
The Doctor is in.
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The Doctor is in.
Joined: Jan 2003
Posts: 20,541
Eagle, Idaho
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If you clean and paint the inside of the manifolds with ceramic header coating it should help slow down, or even prevent, the paint from burning off. My brother plays around with oldsmobiles and like all the B.O.P. family of engines the exhaust ports are cast outside the main cylinder head architecture which pretty much guarantees the engine paint will burn off before the engine is even broken in. He just freshened up a 350 olds a few weeks back and before he put the heads back together he applied header coating all the way up inside the exhaust ports. So far all the paint on the outside of the heads is still in perfect shape. I think if you sprayed the inside of a set of manifolds as far up inside them as possible it might help the resto overspray last a lot longer on a car that will be driven. Here is a pic I found of a Pontiac engine that shows what typically happens to the engine paint on at the exhaust ports right in front of where the manifolds, or in this case headers, bolt to.
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Re: exhaust manifolds, no paint..resto..
[Re: Neil]
#1043431
07/30/11 11:49 PM
07/30/11 11:49 PM
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Joined: Oct 2006
Posts: 7,367 Iowa
burdar
Owen's Dad
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Owen's Dad
Joined: Oct 2006
Posts: 7,367
Iowa
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Quote:
If you put the paint on and then the RPM, you are kinda defeating the purpose of putting the RPM on since the painted area will burn off and then rust leaving the other are with the RPM nice and clean.
That's why I thought you could just paint the mounting flanges instead of the entire manifold. The paint doesn't burn off of there anyway. You may be able to re-apply the RPM to the hot manifolds shortly after breakin...before the manifolds start to rust.(covering up any areas where the paint did burn off) This hasn't been tried before so I'm just thinking out loud I guess.
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Re: exhaust manifolds, no paint..resto..
[Re: cdp]
#1043434
07/31/11 07:34 AM
07/31/11 07:34 AM
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Joined: Jan 2003
Posts: 75,004 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,004
U.S.S.A.
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Quote:
Well....I went with the gear oil route. We'll see what happens. Won't get fired back up for a week, but I'm expecting a little bit-O-Smoke from the process. Here is a pic of the mock-up.
A LITTLE bit of smoke ... ... it going to all burn off and leave a nasty looking residue on them.
good luck
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Re: exhaust manifolds, no paint..resto..
[Re: JohnRR]
#1043435
07/31/11 07:15 PM
07/31/11 07:15 PM
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Joined: Jan 2007
Posts: 1,163 NORTHERN VA
THESHAKERPROJECT
super stock
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super stock
Joined: Jan 2007
Posts: 1,163
NORTHERN VA
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I use the Easrwoods then let it dry . Later I install them on the engin befor paint and paint over the Eastwood coating and the engin at the same time. Most of the paint will burn off leaving just the eastwood coating and some overspray. The engin in the pic has been already run .
Last edited by THESHAKERPROJECT; 07/31/11 07:17 PM.
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Re: exhaust manifolds, no paint..resto..
[Re: THESHAKERPROJECT]
#1043436
07/31/11 07:59 PM
07/31/11 07:59 PM
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Joined: Jan 2003
Posts: 904 Berwyn, IL
Moparlar
super stock
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super stock
Joined: Jan 2003
Posts: 904
Berwyn, IL
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Quote:
I use the Easrwoods then let it dry . Later I install them on the engin befor paint and paint over the Eastwood coating and the engin at the same time. Most of the paint will burn off leaving just the eastwood coating and some overspray. The engin in the pic has been already run .
This is what I did also. Larry
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Re: exhaust manifolds, no paint..resto..
[Re: DennisH ]
#1043441
08/21/11 12:17 PM
08/21/11 12:17 PM
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Joined: Jan 2003
Posts: 75,004 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,004
U.S.S.A.
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Quote:
Headers. Less weight. Better sound. Better performance.
This doesn't answer the OP's original question , but then again this IS moparts ...
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