Re: IML:1972 Imperial GT
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Re: IML:1972 Imperial GT



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 -----
From: sjak brak
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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