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Headers are an excellent idea for our cars. I
realize there is a stigma that follows headers as being a hotrodders trick;
tinny, leaky, and loud, rusting out in a couple of years' time. Today's headers
are thicker, have quality welded flanges, come with gaskets, and if you pony-up
the extra cash, can have a high-tech coating put on for longevity and cosmetic
purposes. They are lighter than the cast manifolds, hold in less heat, and flow
way better than the factory stuff. Plus, it gets rid of that usually stuck-shut
heat riser that can cost you power, MPG, and could even burn valves! The
downside to that is if you live in a colder climate, like me, your well-type
choke may no longer function. I would assume most of you don't drive you
Imperials in the winter anyway. Hooker makes a C-body header that should fit
'67-'75 Imps and '76-'78 NYBs. Schumacher makes an excellent header that should
fit also. They are supposed to drop in and require no "dinging" to make them
fit. I own a '65 Crown and if I can find a set that will fit my chassis, I will
definately use them! Heddman Hedders has a set of "shorty" headers for all
big-block Mopars and look like they may fit. At only $135, it's probably worth
the experiment. Best of all, the change is not permenant!
Eric '65 Crown
Almost time to put the car away in MN!
----- Original Message -----
Sent: Monday, October 15, 2007 1:05
PM
Subject: Re: IML:1972 Imperial GT
I have mounted an Edelbrock performer on my car, and it gained
some fuel economy and better throttle response.
Regarding the exhaust
manifolds, I've heard the TTI-C-body headers require almost no cutting and
hacking. When I'll have the funds for it, I'll give it a try.
On 10/15/07, MIKE CINDY
BECKER <mikeandcindyb@xxxxxxx
> wrote:
HI Kenyon,
I put a mopar performance dual plane intake manifold (MP2) in my
67 imp convertible, I could not tell the diff either. I tried using the HP
c-body exhaust manifolds, but the drivers side dumped into the steering
mechinism, it looks like in the pictures yours is going to hit to. How did
you solve that problem ?
thanks, Mike Becker, Salem, Oregon
-----
Original Message -----
Sent:
Sunday, October 14, 2007 3:42 PM
Subject:
Re: IML:1972 Imperial GT
Hotter cam.
1962 steering wheel.
Looser exhaust with HP manifolds, Free-flow mufflers
and free
flow resonators. Sounds awesome at
stoplights and off idle and is
surprisingly quiet over
2000 RPM - awesome on the freeway, since I
don't need
to spew noise pollution at speed and plan to listen
to
music or Liz's monologs.
HD trans components including
sintered torque
convertor fans and an extra clutch or something
that
made the trans "heavy duty", although I think it was
already in
HD mode for the heavy car - can't recall.
I went to my machine shop
that has a sweet tooth for
440's (and 40 years experience) and to my
trans man,
who has at least 30 years in.
Told them what I'm
doing, and asked them to set me up
with their preferred
setups.
I care. Only I don't want to dwell on things
that
have gotten thought through already, so I specified a
"GT" or
Grand Touring car that would have the chops
for super street manners
without going to anything
silly like nitrous or
whatever.
Result: Super engine/trans setup that are as good
as
anything I could have thunk up. So honestly, I don't
know
what cam/piston set is in there. Just know It's
what Glen and
brian said was the way to go.
I presume that you've seen the
story I've written so
far that needs updating soon:
http://imperialclub.com/Yr/1972/Wills/
Updated
photos prior to just completed work:
http://imperialclub.com/temp/Kenyon/72%20Coupe/72%20coupe%2007%2007/
Note
that the top was white, so that's why I took that
shot.
I had a giant, deep pan and killer intake manifold
that I had
to get rid of due to non-fitting issues. I
can't tell the
difference on the intake manifold, so
have written that off as a waste
of money for
seat-of-pants stuff, although I'm sure it shows up on
a
dyno chart or whatever. I chickened out on putting
in a hood
scoop to accomodate the taller manifold.
Too much work, and some cars
just don't want a hood
scoop. 1972 and 1990 included (some other
fellow did
his 1990 up with one and I thought it was a swing
and
a miss, -that's just me tho.)
Kenyon
Wills
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customers who are looking for what you sell.
http://searchmarketing.yahoo.com/
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