Inatake repair
Thread Starter
Staging Lane
Joined: May 2012
Posts: 83
Likes: 0
From: Hugo, MN
Inatake repair Hi Guys,
I just received my LS6 intake that I purchased from a member on here. It was shipped UPS and packaging was a little iffy. Anyways when I opened it everything looks great except I noticed a plastic nipple laying in the box. It is the Nipple for the PCV vacuum hose that is right behind the throttle body on the passenger side of the intake. How do I repair this? The nipple fits right back in there perfectly but what is the best method to keep it there and prevent any leaks or it breaking off again? Heres my ideas:
-Use a plastic epoxy (like the dual tube one at wal-mart) and goober it up good... maybe jb weld? Suggestions?
or
-Clean the excess broken material out of the hole and install a threaded brass nipple in there? My thoughts about this though is there is only about 1/8-3/32 worth of plastic for the nipple to actually thread into and then another concern was if the brass threads protrude into the intake somewhat and it interfering with some of the intake air flow (im going for max power here) and another concern was getting the threads to seal and no leaks inbetween the threads which could be fixed with a rtv sealant id imagine.
Thought or anyone have a success story??
I just received my LS6 intake that I purchased from a member on here. It was shipped UPS and packaging was a little iffy. Anyways when I opened it everything looks great except I noticed a plastic nipple laying in the box. It is the Nipple for the PCV vacuum hose that is right behind the throttle body on the passenger side of the intake. How do I repair this? The nipple fits right back in there perfectly but what is the best method to keep it there and prevent any leaks or it breaking off again? Heres my ideas:
-Use a plastic epoxy (like the dual tube one at wal-mart) and goober it up good... maybe jb weld? Suggestions?
or
-Clean the excess broken material out of the hole and install a threaded brass nipple in there? My thoughts about this though is there is only about 1/8-3/32 worth of plastic for the nipple to actually thread into and then another concern was if the brass threads protrude into the intake somewhat and it interfering with some of the intake air flow (im going for max power here) and another concern was getting the threads to seal and no leaks inbetween the threads which could be fixed with a rtv sealant id imagine.
Thought or anyone have a success story??
Last edited by chawin; Feb 28, 2013 at 12:05 PM.
You can always drill the hole and screw in a brass barbed fitting in place of the plastic nipple, and it will hold up better just go to your local hardware store and select a similar size barbed fitting
Thread Starter
Staging Lane
Joined: May 2012
Posts: 83
Likes: 0
From: Hugo, MN
That was my second idea as you can see above. But my only downfalls that I see with that could be that it does not have much plastic to thread into and second if some of the threads protrude into the flow of the mouth of the intake of the intake will it disrupt airflow and maybe mess with my power gains??
it wont mess with any power gains, but if you are concerned with the idea of the threads going into the intake, just cut the excess threads off to make it flush with the inside of the intake.
If the broken piece fits well, then i would just rough up the area near the break. Then apply epoxy to the break, and also the area that you just roughed up. This will reinforce the repair.
TECH Fanatic
Joined: Jan 2011
Posts: 1,358
Likes: 0
From: Michigan
Yeah...I'd do a new threaded insert and seal it with silicon or epoxy. If your concered about appearence. I'd sand the intake, then insert/epoxy...sand gently around the fixed area...then paint new (duplicolor). It never happened.
Thread Starter
Staging Lane
Joined: May 2012
Posts: 83
Likes: 0
From: Hugo, MN
so 1 for the brass nipple and 1 for the epoxy.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
Thread Starter
Staging Lane
Joined: May 2012
Posts: 83
Likes: 0
From: Hugo, MN
Its finished, Got a 3/8" pipe thread barbed fitting. Tapped the hole, put some black RTV sealant on the threads thick and threaded it in as far as I could by hand and put the wrench on it and turned it another half of a turn. It protrudes into the intake throat by a fingernail width (about 1 thread) so I feel that it wont interfere with any air flow or such... unless someone disagrees then I will back it out and re seal but it felt good and tight and leak free going that tight. Everyone think that it will be leak free with the steps that I took?
Thread Starter
Staging Lane
Joined: May 2012
Posts: 83
Likes: 0
From: Hugo, MN
I was considering that as well... you can see a picture of my car underneath my name or in my "garage" on my profile. Its red... any color suggestions?? I keep considering red but everyone does red but then again what else would make sense since its a red car besides black ha
TECH Fanatic
Joined: Jan 2011
Posts: 1,358
Likes: 0
From: Michigan
I did black metal metallic, and silver metal metallic for the maf/tb...http://share.shutterfly.com/action/w...ZNGTJu0bM2bV2c all rattle can duplicolor...No fading or peeling after 2yrs..Still looks brand new
TECH Fanatic
Joined: Jan 2011
Posts: 1,358
Likes: 0
From: Michigan
60grit...100 grit...220 grit...400....800..2000 grit sand paper in that order.. I probably overdid it, but I've never painted anything before so I wanted to make sure it was super smooth. Essentially you could go 60,220,600,1000, and be done with it.
2 light coats of duplicolor primer...3 or 5 coats of the paint (whenever your happy with color) and about 5-7 coats of clearcoat. Cost about 35$ and took about 2 days because of drying time of the paint..super easy and turned out better than expected..looks like it was done professionally
2 light coats of duplicolor primer...3 or 5 coats of the paint (whenever your happy with color) and about 5-7 coats of clearcoat. Cost about 35$ and took about 2 days because of drying time of the paint..super easy and turned out better than expected..looks like it was done professionally