Try also "furnace cement" for........ furnaces. Home Defect, and other
hardware stores carry it.
Peter C
At 05:52 PM 10/6/1999 , Steve Nabors wrote:
>
>I've had limited success with the super cheap(grey looking stuff in a tube
>for $2.00) stuff you get at Walmart for repairing mufflers. By limited, I
>mean it lasted a little while on the muffler but I have had good (permanent
>success) in sealing up leaks around the mid pipe joints. Point being that it
>appears to work around very small cracks(less than 1/32") but not on larger
>cracks. Your mileage may do better on your $12.00 stuff. Its always worth a
>try. Good luck!
>--
>
>On Wed, 6 Oct 1999 12:29:50 Chip19474 wrote:
>>
>>List,
>>
>>Has anyone had success with an over-the-counter exhaust cement for
repairs to
>>small cracks in exhaust manifolds?
>>
>>The small hairline crack in the exhaust manifold of the Spit grew very
>>quickly last week to a now very visible and noisy crack. One of the
triggers
>>was probably fatigue brought on by a missing bolt that secures the exh
>>manifold to the lower intake manifold. (I fixed that)
>>
>>The crack is not very wide across - maybe 1/32" and partially encircles the
>>manifold serving #1 cylinder where the cast manifold tube flares out at the
>>head. So I decided to try the cheap option - a $12.00 exhaust cement kit
>>from a speed shop. The application went well...it's been curing for the
>>required 48 hours (directions said 48 hours if environment was humid and/or
>>cold - we had rain on Monday and 33 degrees this morning)....tomorrow I'll
>>fire her up and see if it worked but.....just in case it doesn't hold, I
>>thought I'd get some "Plan B" ideas from the list.
>>
>>TIA,
>>
>>Chip Krout
>>'76 TR6 CF57822U (Being Reborn For Y2K)
>>'70 Spit Mk3 FDU78512L (Fun Driver)
>>
>
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