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[GMCnet] Re: Fuel Injection [message #368343 is a reply to message #368328] Tue, 04 January 2022 08:38 Go to previous messageGo to previous message
Keith V is currently offline  Keith V   United States
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma:
Senior Member
James Hupy said:
" If I was concerned about fuel economy, I would... "

If anyone is really concerned about fuel economy, they wouldn't be driving a motorhome!

To me the choice is to drive a compact car to a hotel in the city v drive a cool ol coach and camp in a beautiful campground while still having all the comforts of home. The GMC is nice, cheap, maintainable cool and small. The only thing smaller is a van, but they arn't cheaper or better.

Keith Vasilakes
Mounds View MN
76 exRoyale
MicroLevel


________________________________
From: Matt Colie
Sent: Monday, January 3, 2022 8:38 AM
To: gmclist@list.gmcnet.org
Subject: [GMCnet] Re: Fuel Injection

GMCWiperMan wrote on Sun, 02 January 2022 15:51
> I faithfully record every mile, .1 gallon of gas and quart of oil I put in the GMC, just like with the CRV. I don't think I've EVER calculated
> the MPG. I know I haven't since installing the 500 Cad engine. Why would I?
> I'm not likely to follow Jim H's recommendations to gain a couple of MPG.
> That's sort of like the Lexus. It's the only car I've owned in the past 70 years without a mileage log -- why bother -- if I'm gonna drive it,
> why sweat MPG?
>
> JWID,
>
> Ken H.

I am one of those that track fuel and oil consumption with great regularity and care.
Do I do this to record the cost?
No!
I do it to both know what I can expect from my fuel inventory and the overall condition of the main engine.

Early in the coach time, I also used to log the alcohol content of the fuel as purchased. That proved what I already knew from years in engine labs.
The alcohol is in there just to buy it from farmers (actually ADM) and it more soluble in gasoline than are corn flakes.

A few years back, we broke a piston, when the lube oil consumption went from less than a quart in 2K to more than a quart in 500, I was absolutely
certain that there was a problem that needed attention.

After I got it put back together with lots of changes like a cam and blocked manifold heat, I was very concerned to know what the new fuel rate was.
Well, it has dropped right back in the groove at 9.2. This makes predicting required fuel stops way simpler. So, this is not just a habit left over
from years of taking care of other people's engines or flying little airplanes, it is a very functional thing to do. If you take the time to write
the odometer number on the slip the gas pump spits out, it is real easy to do when you get around to it...

Matt - Staying inside until the day warms up
--
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com

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