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Melted Manifold with Torch

sellbooze

New member
76
4
0
Location
Odessa, Florida
In the removal of my turbo , I broke the rear threaded studs off in the exhaust manifold. This morning I took my blue tip wrench out and while heating up the manifold I melted a small spot.... :shock:
What to do ? carefully grind down ?

SDC12214.jpg

SDC12215.jpg
 

noaccount

New member
28
0
0
Location
NW MO
You could grind it off, however if you managed to warp the face even slightly you may have a difficult time getting it to reseal. A visit to a machine shop may be in order.
 

cornrichard

Member
317
4
18
Location
Galesburg, IL
It looks to me like you just got the surface hot and got a run. It may have warped, but I doubt it. I know that if it was mine I would clip that off with a cut off wheel and put everything back together. The gaskets are cheap and it is only about a 45 min job to pull a turbo. The headache of pulling the exhaust manifold, and then the wait at the machine shop would play into my decision making process. I would bet a 12 pack it will work fine.
 

Ridgerunner

New member
791
6
0
Location
Holland, Mi
I'd grind it down, and put everything back togather. It's right at the outer edge of the mounting/sealing surface, on the outside of the bolt anyways. You should be fine. Run it for a bit, then ckeck for leaks.
 

Jake0147

Member
782
18
18
Location
Panton, VT
From that picture you may have, could have, and probably should have a bunch of stuff wrong with that...

Grind it down CAREFULLY back to flat, use a brand new gasket, and I'd bet it'll be fine. If not, all the bolts have already been loosened one way or another, you'll have fresh never seize compound in there anyhow I'm sure, it won't be near such a chore to get back to where you are for more intrusive corrective actions.

I still bet it's fine though. You aren't the first to be faced with that dilemma.
 

modified

Member
115
5
18
Location
BRookLyN
Grind it down and check the flatness with an inked piece of 1/4" flat glass (or a "true" flat surface you trust) pressed against the surface. That should convey obvious deviations. highly unlikely for cast iron to warp as a result of your torch job.
 

renovate7

Member
422
7
16
Location
Florida
Don't know what type of gasket goes in there or it's thickness but can you install 2 gaskets to allow for extra compression in that area, should it be warped?
 

RANDYDIRT

New member
403
4
0
Location
Furlow Ar.
Get it flat with judicious use of a grinder with a flap wheel. Then coat your new gasket (both sides) with "Oklahoma Chrome" (silver bumper paint).Apply newly coated gasket while still wet with paint. Be sure and have anti-seize on the bolts. The aluminum in the paint will form a good seal, and it won't be that hard of a deal to get back apart if things don't go as planned. I have actually reused head gaskets on a hi-compression small block Ford with this trick.

Your mileage may vary...

Dirt
 

resqur

New member
104
1
0
Location
Las Vegas, NV
I agree with Frodrbaggins...use a belt sander to ensure a flat surfece for the mating...a good dose of copper RTV would be well worth the effort to close any defects from finishing.
 

sellbooze

New member
76
4
0
Location
Odessa, Florida
All turned out GREAT !!!
I took my grinder , replaced the hard wheel with a flap sand wheel , and slowly took it it down to a nice flat finish. I used a brand new gasket on the exhaust and oil supply. Looks good ! Ran for a while, No leaks as of yet. Got dark on me , so I will run again tomorrow and see how it goes.
Thanks to all my SS family for the input !
 
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