[SEL] OT tractor engine question....

[Duncan Denman]

Hi Bill,

I know on my John Deere, it was cast as part so that when you were 
buring kerosene, it would pre heat the fuel/air mixture.
I suspect that is the main reason on a lot of them.

Duncan


bill at antique-engines.com wrote:

>Odd question:
>VERY old and very early tractor, or other engines for that matter - some
>designs seemed to integrate the intake "system" into the head casting - ie
>no seperate intake manifold to bolt on. The passages were cast into the
>head.
>Who used that, when, and why?
>I know some cars in the 50's did that, early 60's too, I believe.
>Who was doing that first?
>Did the tractor makers often preceed auto makers on advance designs?
>What is the advantage to an integral intake rather than a "bolt on".
>Is it heated quicker or more effeciently by the warming of the engine?
>I'd think the exhaust on an external design would do that better.....
>
>Bill
>Runnells.
>The hammer has dropped - the cold is here. 70 -> 40 in under 3 hours
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