Thorley Headers

John A. Hess johnhess at cris.com
Sat Feb 28 00:09:04 GMT 1998


The Thorleys will give better mid range torque than the more conventional four
into one headers.  I recommend than any header be ceramic coated inside and
out.  This prevents rusting AND lowers the under-hood temperature.


Ken Mayer wrote:

> On Fri, 27 Feb 1998, Kevin Vannorsdel wrote:
>
> > Realize this is barely on-topic...  but does anyone have any comments
> > about the merit of Doug Thorley headers over other more common brands
> > like Hooker etc?  This would be going in a TBI intake 4x4.  I am looking
> > for performance (obviously) but also want them to last as long as
> > possible...
>
> I put a set on my Ramcharger back in '81.  By '87 they had rusted out.
> They were constructed of heavier metal than the other brands and came with
> a 20-year warranty.  I was tired of changing the rusted-out mufflers every
> 18 months, so I reinstalled the factory exhaust system.  I didn't notice
> any difference when the headers other than the increased noise.  Never
> again.  I'd rather keep the cast iron manifolds and maybe go with a dual
> exhaust system.
>
> Ken
> :-)






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