55 Fargo Posted May 7, 2014 Report Posted May 7, 2014 (edited) Hey all, anyone ever use this product? I just did a temporary hairline crack on exhaust manifold. I need to do this to pass a vehicle safety, and do not have time to swap in donor manifold yet. I don't expect much, but this stuff cures hard like rock very quickly compared to the long dry of PC 7 epoxy.... Edited May 7, 2014 by Fargos-Go-Far Quote
Dodgeb4ya Posted May 7, 2014 Report Posted May 7, 2014 I used the slow higher temp (400-500 degress) JB Weld once as a quick fix on a exhaust maniflod just as you are doing. It produced a really bad smell but lasted for a couple days before leaking again! Quote
55 Fargo Posted May 7, 2014 Author Report Posted May 7, 2014 Yah Bob, not expecting much, if it can hold out for a few days great. This stuff is good for 500 degrees too... Quote
Lumpy Posted May 7, 2014 Report Posted May 7, 2014 Yikes. They check your exhaust manifolds for hairline cracks? And I thought the State Partrol here was tough when they made me put turn signals on a 1937 HD before they would license it. !!! Ken Quote
55 Fargo Posted May 7, 2014 Author Report Posted May 7, 2014 hey lumpy, if they see a cracked exhausted manifold, it may not pass a DMV safety, as carbon monoxided could migrate into the cab, which for the most part is pure "bull$hit". Just want to patch it to last until I get truck in next week for the safety... Quote
RobertKB Posted May 8, 2014 Report Posted May 8, 2014 Fred, they will likely spot the "patch" before they detect a hairline crack in the manifold. They may want to know why the patch was done and then what???? Quote
Dodgeb4ya Posted May 8, 2014 Report Posted May 8, 2014 They need to look at more important things. Quote
55 Fargo Posted May 8, 2014 Author Report Posted May 8, 2014 Fred, they will likely spot the "patch" before they detect a hairline crack in the manifold. They may want to know why the patch was done and then what???? My shop knows about the crack Rob, he will pass it with the patch on, as long as it is sticking no big deal. A slight crack in an exhaust manifold will not pass a safety in these parts. as well as brakes, steering, lighting exhaust etc, and even a working defrost blower and wipers is a must here.... Quote
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