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01-16-2009, 02:37 PM
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#1
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Restoring an aluminum intake manifold
I picked up an intake for pretty cheap and I'm looking to bring it to spotless condition if possible. No damaged threads, no cracks, none of that. Just some oil spots.
I am not sure about blasting it, because that would leave the surface porous and it might collect crap again. If I do, I guess walnut shells are the best bet?
How would you guys do it? How would you protect it from oil, gas, and grime?
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01-16-2009, 02:58 PM
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#2
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Glass bead
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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01-16-2009, 02:59 PM
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#3
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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And then how would you protect it after that? Clearcoat? I think some of them turn yellowish...
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01-16-2009, 03:03 PM
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#4
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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For long term you will have to coat it with something. You could paint it or powder coat it clear or aluminum color. GB does seem to knock the pores down a bit. I did my serp brackets with it and they came out nice.
I drive my car, it gets dirty. Some brake clean on a rag is all I use.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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01-16-2009, 03:05 PM
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#5
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Yeah, realistically I won't give two ****s about it staying spotless after a while, I was just wondering if there's something decent to coat it with to repel oil better.
Thanks
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01-16-2009, 03:06 PM
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#6
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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oil goes in the engine...not on it!
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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01-16-2009, 03:18 PM
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#7
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by BonzoHansen
oil goes in the engine...not on it!
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I am aware of this. But the engine is a beat '74 350. Not the best on keeping all of its fluids in the intended areas.
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01-16-2009, 03:26 PM
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#8
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Blast it and then powder coat it.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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01-16-2009, 03:29 PM
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#9
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Shownomercy
Blast it and then powder coat it.
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Yeah, but won't powder coating retain heat?
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01-16-2009, 03:37 PM
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#10
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I suppose, if your really concerned about that, wash it in a parts cleaner?
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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01-16-2009, 03:43 PM
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#11
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Quote:
Originally Posted by Shownomercy
I suppose, if your really concerned about that, wash it in a parts cleaner?
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Edit: I just washed mine real well and so far it looks great. I am not sure about the heating part, most people powder coat the LT1 intake but we also don't have the crossover so I am not sure.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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01-16-2009, 04:00 PM
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#12
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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You can powdercoat it with no heat issues.
__________________
--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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01-16-2009, 04:00 PM
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#13
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,339
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chrome or nickle it?
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01-16-2009, 04:44 PM
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#14
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Quote:
Originally Posted by WildBillyT
Yeah, but won't powder coating retain heat?
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Really? You gonna worry about losing 3 hp? Put a milodon valley pan in. 
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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01-16-2009, 06:50 PM
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#15
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by BonzoHansen
Really? You gonna worry about losing 3 hp? Put a milodon valley pan in. |
Meh. I dunno if I want to spend the money to PC a low rise dual plane.
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01-16-2009, 06:52 PM
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#16
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Just GB it & be done with it.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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01-16-2009, 06:53 PM
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#17
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by BonzoHansen
Just GB it & be done with it.
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That's what I am doing.
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01-16-2009, 07:01 PM
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#18
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Spray paint it!
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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01-16-2009, 10:56 PM
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#19
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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Quote:
Originally Posted by HardcoreZ28
You can powdercoat it with no heat issues.
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you guys miss this post?
and billy i have access to a soda blaster if you want somthing more fine than walnuts or glass bead
__________________
So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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01-16-2009, 11:00 PM
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#20
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Bill, I blasted and cleared the intake manifold on the chevelle, done a bunch others, they always came out great.
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Last edited by bad64chevelle; 01-16-2009 at 11:02 PM.
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01-17-2009, 07:29 PM
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#21
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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Jon that looks great. Bill is right.....you just have to watch what clear you use....some yellow almost instantly. Obviously you didn't have that problem.
Bill whatever route you take I'm sure it'll look good.
__________________
--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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01-17-2009, 09:28 PM
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#22
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,212
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I cleaned one up with some 409 and a brass brush. It cleaned up really nice but I sold the car before I put a lot of miles on it so I can't say how it held up. I don't know if I would clear coat it. You may be risking the yellowing if you coat it vs oil stains if you don't. If it's a rare GM intake, Jerry MacNeish's company does a reskinning on aluminum intakes if there is any damage that needs to be repaired.
__________________
69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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01-17-2009, 10:42 PM
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#23
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Actually your best bet is to polish it. When you put a high shine on aluminum the natural oxide that forms afterwards helps protect it from other elements. Other option would be to have it anodized. You can get clear anodize but it is more expensive than other options
Last edited by PolarBear; 01-17-2009 at 10:42 PM.
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01-19-2009, 10:41 AM
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#24
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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You could try using a solvent such as Simplr Green to clean it. It that doesn't work then you may need to blast it.
Seal it with this. http://www.zoopseal.com/zoopseal.asp
__________________
93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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01-19-2009, 03:58 PM
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#25
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Quote:
Originally Posted by HardcoreZ28
Jon that looks great. Bill is right.....you just have to watch what clear you use....some yellow almost instantly. Obviously you didn't have that problem.
Bill whatever route you take I'm sure it'll look good.
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Thanks, however I have not run the motor yet, I dont know what will happen with it. Another manifold I painted, did not yellow so I think I will be fine.
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