RE: Motorhome 440?

[ntolerance <ntolerance@xxxxxxxxxxx>]

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True motorhome heads will have figure 8 water passages, instead of the 
std round ones. More coolant capacity,and more surface area, means more 
heat exchange. Also, motorhome heads have smaller chevy type peanut 
plugs, with a smaller thread size. This allows more coolant around the 
spark plug for better cooling. Both of these help reduce detonation.

I recently passed on a 77 440 motorhome engine with 60K miles for $400. 
Probably shouldnt have, but didnt need it. Depending on the mileage and 
the over all condition, they are usually a $500 motor.

Doc.

Bob Fortson wrote:
> 
> 
> late seventies (75/76) 440 w/ 452 heads...
> 
> Increased thickness of mounting ears to bellhousing
> and motor mounts...increased webbing cast in
> block...452's have hardened valve seats for unleaded
> fuel and redesigned ports.
>    Our Don D. loves the 452 for building...less work
> needed...more results than 915's or 906's...
> 
> Bob Fortson 
> --- Sean B <polecat2@xxxxxxxx> wrote:
> 
> > Your free subscription is supported by today's
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> > 
> > I forgot to add:  I didn't check the year, but it
> > has a Thermoquad 
> > intake and a cast crank, based on the thick damper.
> > 
> > 
> > Sean B wrote:
> > > 
> > > My friend, an automotive machinist, wants to sell
> > me a late '70s 
> > > motorhome 440.  What's the difference between this
> > and a car 440?  He 
> > > says the exhaust valves have rotaters on them.  I
> > checked the casting 
> > > numbers, they are 452's.  Can anybody help?
> > > 
> > > Thanks,
> > > 
> > > Sean
> > 
> > Your free subscription is supported by today's
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> >
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> > 
> 
> 
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----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 



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