Can JB weld handle exhaust heat? - Honda-Tech

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Can JB weld handle exhaust heat?

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Old 09-01-2005, 06:21 PM   #1
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Default Can JB weld handle exhaust heat?

im thinking about plugging up an open bolt hole on my DP with JB weld to stop the damn exhaust leak through it... but someone told me they didn't think it could handle the heat, if thats true, that means ive gotta take off the dp, weld the hole closed, and then re-surface the flange
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Old 09-01-2005, 06:27 PM   #2
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Default Re: Can JB weld handle exhaust heat? (StrangerWitCandy)

JB weld is good up to about 600deg.........i think your pipe right at the turbo flange will get much hotter than that.........
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Old 09-01-2005, 06:39 PM   #3
 
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Default Re: Can JB weld handle exhaust heat? (non-VTEC)

they do make a putty for exhausts that may hold you over until you can get it properly fixed.
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Old 09-01-2005, 11:39 PM   #4
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it'll probly come off after awhile
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Old 09-01-2005, 11:42 PM   #5
 
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put a bolt in it, if it is a bolt hole.
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Old 09-02-2005, 01:19 AM   #6
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Default Re: Can JB weld handle exhaust heat? (StrangerWitCandy)

It will not handle the heat. I didnt even handle the heat from the stock y8 manifold that had a crack in it.
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Old 09-02-2005, 03:06 AM   #7
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Default Re: Can JB weld handle exhaust heat? (OH ISH ITS DAT FOOL JAMES)

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Originally Posted by OH ISH ITS DAT FOOL JAMES
It will not handle the heat. I didnt even handle the heat from the stock y8 manifold that had a crack in it.
then you did something wrong.

had a friend who ran around for the better part of a year with nothing but jb weld holding his exhaust pipe to his exhaust manifold. I was helping him change spark plugs and saw that crap on there and we finally figured out that the muffler shop broke the manifold bolts off inside the manifold and then apparently just held the two together and put a HUGE glob of jb around to hold everything together lol!

needless to say, he was pissed and made them replace the manifold and all
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Old 09-02-2005, 03:24 AM   #8
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Default Re: Can JB weld handle exhaust heat? (StrangerWitCandy)

jb weld doesn't fair too well against heat. they sell an exhaust patching kit at the auto parts store. just buy that for at temporary fix if you can't find a bolt to fit.
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Old 09-02-2005, 03:51 AM   #9
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well i dont think there is any physical way to get a bolt in this hole without making a whole new DP (the pipe comes right up against the side of the hole, theres no clearance for the head of a bolt) so i guess i gotta weld it.
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Old 09-02-2005, 04:21 AM   #10
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just weld in the hole, a stop at a welding shop and your set.
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Old 09-02-2005, 06:22 AM   #11
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Default Re: (no2unenolife)

Quote:
Originally Posted by no2unenolife
it'll probly come off after awhile
I will tell you from experience as soon as the car gets up to temp it will boil right off.
Been there tried it in a pinch

if its a bolt hole, put a bolt thru it. or a plug
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Old 09-02-2005, 07:08 AM   #12
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This question warmed my heart.
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Old 09-02-2005, 09:00 AM   #13
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Default Re: (blundar)

weld it.

I had my stock Y8 manifold welded with some stainless rod and it wasn't a problem after that. Do it right, JB weld will just be a problem again soon.
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Old 09-02-2005, 12:14 PM   #14
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bolt or weld it- dont bother with the jb for this
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Old 09-03-2005, 08:37 AM   #15
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GOOOD LUCK! i don't think it'll hold.
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cn, crack, exhast, exhaust, fix, good, handle, heat, jb, jbweld, leak, leaks, pipe, stop, temperature, weld

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