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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