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  #1  
Old 10-16-2019
Bluebird junky Bluebird junky is offline
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Join Date: Oct 2019
Location: Apple valley
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Default 86' bluebird Wanderlodge PT-38

Hello everyone;
Question of curiosity, what is the expected fuel consumption for a 86' PT-38 with a Detroit 8v92?.
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Eric Dee
Apple valley, CA
1986 PT-38
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  #2  
Old 10-16-2019
Alfa Alfa is offline
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Welcome.

I see between 5 and 5.5, but my generator is almost always running and my engine fan is always on high. I am also a little heavier than you.

Diego
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Diego Alfarache
Austin, Texas
1988 WB40
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  #3  
Old 10-16-2019
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curtsprenger curtsprenger is offline
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What Diego said. Keep the speed down and get slightly better fuel mileage.
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Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
1974 FC31 534 gas engine, air brakes (sold)
Anaheim Hills, Calif.
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  #4  
Old 10-16-2019
arcaidy arcaidy is offline
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Location: Peachtree City
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I have two less cylinders and a little less weight so my numbers probably aren't very useful for a guesstimate MPG, but I wanted to share what I found on how MPH affected my MPG. Its not insignificant.

In my 6v92 PT35 with the gen running this is what I estimate to get after a few trips trying different average speeds:

60 - 65 is around 7 MPG
65 - 70 is around 6 MPG
70 - 78 (governed speed) is around 5 or less...

I tested the different speeds to see how much more fuel I used with higher speeds. The thought was if I was near the same usage at 75 as I was at 65 I'd run the faster speed. Needless to say I slow it down now most of the time...

When I looked around I found different answers to fuel usage so I wanted to test it myself. It took a few long trips to figure it out, but glad I did it. You have to stay pretty steady with the speeds over the entire trip to get a good idea. My best was over 8 MPG but I don't believe it. I slight angle can make a big difference when filling up the tank!

I plan my trips at 5 MPG and be happy when it takes less than I expected to fill up. One interesting thing I found was towing appears to have little or no effect on MPG. I had close to 10K behind me at one point for a 800 mile trip and my MPG was the same as if I wasn't pulling anything. This was on mostly flat land.
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James Coffey
Peachtree City, GA
1983 PT35
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  #5  
Old 10-16-2019
Don Meyer Don Meyer is offline
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Join Date: Jan 2009
Location: USA
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In our 18th year of ownership of 86 PT38 8V92. Consistently getting 5.5 MPG.
Cruising RPM 1600 to 1700. 60 to 63 MPH Pulling 10,000 lb trailer

Replaced original 9G90 injectors with larger 9G95.
No muffler.
Bigger air intake up top.
Tire pressure 115 in front 100 in all rears.
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86 PT38 8V92
Pop Pop's Bus
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  #6  
Old 10-16-2019
Bluebird junky Bluebird junky is offline
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Join Date: Oct 2019
Location: Apple valley
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Thank you all for your reply. Well, I drive like IAM heading to the grocery store,I have a commercial license, so getting a ticket with a class "A" regardless if i'am driving class "C" I can't get the infraction removed from my record, so driving conservatively is a priority. At any rate, IAM expecting a possible 6+ mph At 55?.
IAM a newby here, been looking at and hopefully going to purchase an older gentleman PT-38 with 97,000 original mi Wanderlodge, just don't want to jump the gun and get into something that will get -6mpg . lol
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Eric Dee
Apple valley, CA
1986 PT-38
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  #7  
Old 10-16-2019
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Crit Bliss Crit Bliss is offline
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Fuel is a small cost in ownership
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  #8  
Old 10-16-2019
Alfa Alfa is offline
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Quote:
Originally Posted by Crit Bliss View Post
Fuel is a small cost in ownership
This.

Diego
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Austin, Texas
1988 WB40
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  #9  
Old 10-16-2019
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skywalker6582 skywalker6582 is offline
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Yep: Burn no fuel in the driveway, or 5.5 mpg on the road running the gennie, your choice
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Steve & Fran Walker
COL, Retired
Dover, TN
'86 PT38 "Eagle's Rest"
'82 FC35 (sold)
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  #10  
Old 10-17-2019
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Gene Mehr Gene Mehr is offline
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I just drove 2000 miles cost about 600 bucks, it's just a big toy have fun and feed it. Every time I figure out the milage it's the same. Like a fully loaded 1978 Ford truck
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Marcia Mehr
1988 FCSB Silver Edition
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