>From what I understand, they were made by Doug Thorley
for Mopar. I emailed Thorley a month or so ago about
them and they are out of stock and they are not sure
when they will be back in stock. I am sure there are
some places to find them, but you are correct, they
are not cheap. I bought a set in 94 for my 93 Dakota
and loved them. I sold that truck last year and picked
up a new one and have been looking for another set for
this one.
Here is a link to someone that carries them, but it is
a little steep for me:
http://www.sdpc2000.com/cart.asp?action=prod_detail&catid=3331&pid=142997
As for performance, I had to dig out one of my old
magazines for exact numbers, but it is safe to say
they make a BIG improvement.
They were tested in a December 93 Magazine so the
truck is either a 92 or 93 (both had the good
manifolds) and it netted 20 rear wheel horsepower. The
0-100 were reduced by 10 seconds!! 0-60 was reduced
from mid 8's to 7.24. That is from a stock truck. I am
sure you would see even more improvement with the mods
you have.
Good luck and if you find someone that sells them for
under $500, let me know
Thanks
Tom
--- kvmac45@comcast.net wrote:
>
> Does anybody know who the last manufacturer is/was
> for the Mopar headers for
> the 92 Dakota 2wd auto 318? I have heard that
> Thorley made them at one time, as
> did Mike Leach I think. I am thinking about picking
> up a set and was curious as
> to what I would be getting. I am still running the
> stock setup, and my pipes
> have begun to rot out and my y-pipe has a nice big
> long crack in it. Figured if
> I was going to do it I might as well do it all. Of
> course, since I still have
> the 92 exhaust manifold, will I really get that much
> of a performance boost for
> $450?
>
> Currently running the following mods:
> M1
> K&N
> Mopar PCM
> IAT relocated
> Autolites
> MSD 6AL, Blaster SS and wires
>
=====
1993 Dodge Dakota RC, 318 auto with Trans Go Shift Kit, 3.55 Sure Grip, Mopar Performance Computer, minor mods...more coming!!
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