Re: IML:440 exhaust manifold question...

[Kenyon Wills <imperialist1960@xxxxxxxxx>]

After spending a considerable amount of energy on
this, the word is:

NO.  Headers are not commonly available for Imperials.

Also, look at Magnaflow - that's what I selected to
get a slightly mellower sound.  Flowmasters tend to
make more racket in my experience - not very imperial
but great on a pick-up truck.

The C-body HP manifolds are the only option besides
stock.

You will have to lift the engine to get it to fit, and
you're best off installing them before the engine is
in the car, if that's an option.  The exhaust dump on
the DS will not pass around the steering coupler
without moving the engine.


-K

--- "Andrew A." <canafornia@xxxxxxxxxxxx> wrote:

> Also, does anyone know if pre-made Headers are
> available for the 75 Imperial as I'm planning to go
> dual with FlowMasters, so maybe that would be a
> better solution?
>   ----- Original Message ----- 
>   From: Andrew A. 
>   To: mailing-list@xxxxxxxxxxxxxxxx 
>   Sent: Tuesday, January 09, 2007 5:58 PM
>   Subject: Re: IML:440 exhaust manifold question...
> 
> 
>   Another problem my 75 Imperial has is that there
> is a severe exhaust leak from the drivers side. I
> thought it was the "doughnut" gasket but feeling
> around the joint with my hand while the engine is
> running from underneath I feel no air escaping so I
> don't think it's that...someone told me that these
> manifolds have a tendency to crack and that almost
> certainly that will be my problem once I take it off
> and see.......Is this true, that these manifolds
> like to crack on the inside?...If so I would like to
> get one ahead of time so as not to be waiting for it
> in the spring when I redo the exhaust to dual and
> deal with this leak....I tried to spot a part number
> on it but I don't really see any exept a very blury
> unreadable one towards the front of the manifold
> which looks more like some kind of casting code
> rather than a part number....Does anyone know what
> the part number would be for this drivers side
> manifold and where to get one other than ebay..also
> from what years and models of cars did they use this
> same manifold?..thanks for any help in advance!


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