Re: Fwd: IML: Imperial Cross Ram

[sosmi@xxxxxxxxxxx]

Allan, you are correct, for the most part. The Long Rams were performance oriented, but some were for the"Turn Pike" driver. My 60 Plymouth Fury 383 SonoRamicCommando, was a driver.It was very impressive at 45-100mph.10- 12mpg city, 14 highway.The conversion would be interesting on an Imperial. Since the basic design, was to improve the low end torque.Conversion wise, the biggest problem I see, is to find the correct exhaust manifolds.The manifolds had exhaust passages designed to pre-heat the manifold plenum to help cold start-up, as well as support the manifold and carb.We learned that the hard way, when we put long rams on a 64 Dodge Panel truck, and broke the intake manifold flanges.Open the hood on nearly any new car, and the theory lives on.Ya'll have a nice day, Dave.

 

-------------- Original message --------------
From: ChiPieAlandPaula@xxxxxxx

Hello All,

 Just a quick note regarding adopting Ram Induction to an Imperial 413.  As I remember - the 300F engine was a lot more than just the"cross ram" intake manifold. It also include a "hotter camshaft" ( my guess is a 276 degree duration )  solid lifters as well as internal modifications. Additionally, I am guessing a dual breaker point distributor was also included. My point is simple. This was designed as a package rather than an add on. I don't know for a fact - but I am assuming that dual 4's would "overcarb" the engine. Without the other mods -  it is doubtful that you could actually realize a true gain in horsepower. Also - the other contributors are absolutely correct - in that a multiple carb engine is difficult to tune.  Thoughts?

                                            Allan from Billings, Montana

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• From: ChiPieAlandPaula@xxxxxxx
• Date: Fri, 18 May 2007 15:44:11 +0000

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• From: randalpark@xxxxxxx
• Date: Fri, 18 May 2007 08:09:24 -0400

I don't think any came that way, but the dealers were certainly well enough equipped to do it. I bet there were some. If you want to install it, go ahead, but be prepared to see a big drop in your fuel economy. I knew the owner of a 1960 300 F. It took premium fuel and got 9 mpg on the freeway.

Jeff Carter has '61 Convertible with that set up, and I think he can supply the parts, some have been reproduced by him also. I think its big bucks to purchase and not easy to keep in tune.

Paul W.

-----Original Message-----
From: jdlpdx@xxxxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Fri, 18 May 2007 2:26 AM
Subject: IML: Imperial Cross Ram

Hi gang -

Does anyone know if there were any Imperials equipted with the cross ram manifolds found on the letter series Chrysler 300s?  I remember building a few AMT models in the '60s that had that and I was wondering if there was any basis for that in fact.  Given the almost Packard like devotion to customer whims in the early '60s I was just wondering.

 
Jim L. in OR
    '60 Crown 4dr hdtp
    '62 Crown 4dr hdtp


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