Re: IML: Aluminum Heads on an Imperial 413/440

["sjak brak" <imperial1973@xxxxxxxxx>]

The weight advantage on our cars is mainly the ease of installation; for the same reason, I never put back iron intakes on my cars. If I pull one, an alu intake goes back.

And come to think of it, now there are also alu heads which are identical to stock heads on the outside, and will work with stock intakes and exhaust manifolds, check 
www.440source.com

Other brands alu heads will require some or more modifications. Indy heads wont work with stock intakes, Edelbrock heads do but have spark plugs unaccessible if youre not using headers, B1 are full out racing heads, etc. But if youre into serious performance, aftermarket heads are a must. The flow from stock heads is limited. Also, rebuilding a worn out 40 year old pair of cilinder heads will cost more than a set of new Edelbrock performer heads (depending on where you live, in Europe, decent machine work is very expensive). And remember that the 915 and 906 heads were very fine performance heads in the sixties, but Big Block Mopar technology steadily advanced since then.

But on a stock engine, alu heads offer no real improvement. For blocking the exhaust crossover, there's a nice valleypan gasket set from felpro, cheap and very easy to install.

On 10/21/07, Kenyon Wills <imperialist1960@xxxxxxxxx> wrote:

Well, keep in mind that there is that WEIGHT ADVANTAGE
where you can save 100lbs off of your 5000 lb car.
Maybe I spoke too soon on that?

-K


--- Rob van der Es < R.vdes@xxxxxxxxxxxxxxx> wrote:

> Hi Kenyon!
>
> I like that last option, since my 60 Imp is almost
> finished now I was
> looking for other ways to throw my money around :)
> Your kind suggestion set my right on track LOL
>
> Have a nice (fast) weekend with your favourite
> woman!
>
> Robert
> ----- Original Message -----
> From: "Kenyon Wills" < imperialist1960@xxxxxxxxx>
> To: <mailing-list@xxxxxxxxxxxxxxxx>
> Sent: Friday, October 19, 2007 6:52 PM
> Subject: Re: IML: Aluminum Heads on an Imperial
> 413/440
>
>
> Profit to grief (cost) ratio is out of whack in my
> book.
>
> Have what's in there redone if you're concerned
> about
> the lead thing (I'm not, since there are so many
> un-rebuilt cars from before unleaded still running
> around just fine).
>
> You can block the crossover passages pretty easily
> with a gasket or metal shim.
>
> Spend the money on a new water pump/hoses and redo
> on
> your radiator and your engine will probably run
> cooler
> and be that much more dependable.
>
> If you've already done that, go spend it on women
> and
> fast living.
>
> You'll get a marginally higher payoff that way.
>
>
>
>
> -K
>
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>
>
> Kenyon Wills
>
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Kenyon Wills























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