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Re: [T3] Quiet Pack Exhaust

> Will the POR-20 take the heat? It would be nice to come up 
> with a treatment 
> that could be used on OEM mufflers, too

The POR-20 is the high temp version of POR-15.  Formulated for exhaust systems, even manifolds,  Supposedly good to 1400 degrees F.  I ahve been very happy with the POR-15 performance on Sophy and figured it has to be better than the black paint that I can scrape off with my fingernail that came on the muffler and header.  The POR-20 would be a good treatment, I think for an OEM muffler.  Sandblast it and paint it.

> What's your impression on exhaust rust in the midwest: Is it 
> mostly from the 
> inside or the outside? I think the California situation is 
> quite a bit 
> different from ours.

I think we have the worst of both worlds.  It rust from both the inside out and from the outside in.  I would venture that the outside in is faster in the Salt Belt due to the influences of the salt on the exhaust.  That being said, I would still like to slosh a bit of POR-20 around inside my new muffler.  It certainly can't hurt since the stuff wicks into the smallest of seams and such.  Of course if they are glass packed, I could seriously screw up the flow inside the muffler. <G>

John Jaranson
'71 FI Auto Fasty (Jane)
'66 Square (Sophy)
About Half a Late Square (Organ Donor)

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