In '94 I went on a 5,000 mi trip w/ a friend who had a 440 in a '78
Tioga. I remember it always seemed to run rich at low speeds, but
otherwise ran good. On the whole trip his 440 averaged 7.5 compared
to my 454 averaging 6.9 in a larger Itasca.
RJ
--- In [EMAIL PROTECTED], don rutledge <[EMAIL PROTECTED]> wrote:
> Thanks for the inputs on this 440 engine. When I acquired this
vehicle, it wouldn't even run and had to be towed to my house.They
did NOT disconnect the driveline as I had asked them to do, so was
surprised when it moved after the overhaul. I made sure to mark all
of the vacuum lines and the rest of the paraphenalia as I pulled it
down. Both head gaskets were bad(burned thru between the cylinders).
I had the heads rebuilt locally and that was when I found out the
difference between CAR 440's and RV 440's.(extra ports). Also when I
drained the oil, I took out 10 GALLONS!! I didn't know the galleys
would hold that much.All milk-white of course. It also has a cross-
over installed and no cat converter. Whoever had it b4 also replaced
the muffler. As to the carbuerator(sp) problem, I found no vacuum
leaks of any sort and made sure the timing was up to snuff b4 I took
it out on the road. Also, I had gave the carb a quick-look-over and
the bottom of the carb was plugged over with gas
> shellac, so it had sat for a long time b4 I ever got it.I need to
tune it for emissions and I can't even find a mechanic who wants to
touch it.That is why I thot I would take a try on here to see if it
is possible to make do.I just retired and I depend on Uncle Sam for
whatever comes every month.No great shakes in THAT paycheck !! lol.
Also, I was wondering what kind of gas mileage I should expect to
get with this combo and are there better alternatives?(other than
parking it).I went to Payson here which is about 95 miles and
averaged about 5 mpg.It ran ok but as I say, it seemed to lug on
hills. Also I note that on revving it from warmup, it puts out black
soot,but doesn't smoke going down the road as far as I could tell. I
will try and tune this carb using the glass of water trick but have
no specs on it otherwise. As one person suggested, maybe an
edelbrock would fix it.Another person suggests fuel pump pressure
and that is something I will check as well. Thanks for the
> help,everyone. Don in Chandler.
> wallynm <[EMAIL PROTECTED]> wrote:
> --- In [EMAIL PROTECTED], don rutledge <[EMAIL PROTECTED]>
wrote:
> > I already bungled the first message. The engine IS a 440 Chrysler
> and the Carb IS a THERMOQUAD 4 bbl. I do not know all of the
history
> on the RV as it was stolen and recovered and then I wound up with
it.
> Mistreated is a gentle word, but it is all I can afford and need to
> make it run good. Engine is fine otherwise. I have watched this
forum
> for awhile now, and I figger you guys have most of the answers out
> there. thanks for any input! Regards, don.
>
>
> To my way of thinking the 413 was a better MH engine than the 440.
I
> have owned both. In 78 there were not a lot of vacuum lines on this
> engine but I would carefully check for vacuum leaks as suggested.
>
> I would also check fuel pump pressure and then the jet size for
your
> elevation. You may need an electric fuel pump located near the gas
> tank feeding the mechinical pump up front to get enough fuel at
full
> power. You can bump the timming from 1 to 2 degrees per 1000 foot
of
> elevation without hurting any thing and will get more power.
>
> If I were to replace the carb I would look for a Holly 650 to 850
cfm
> double pumper with external floats adjustments. The thermoflood
carb
> has pheonolic (sp) resin float bowels and maybe even floats the
fail
> over time.
>
> Another trick is to put duel exhaust on it with a cross over pipe
to
> reduce back pressure. I ran glass packs and then strights for a
while
> just to listen to the rumble.
>
> GOOD LUCK AND ENJOY
>
>
>
>
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