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Old 03-27-2013, 03:33 PM   #1
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Location: Lenoir, NC
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More Weight Questions

I am trying to get my tires inflated properly like most of us. We actually had four-corner weights done at Lazy Days during delivery. (This only took a couple of years off my life.)
RF – 7680 LF – 7810
RD – 8100 LD - 7810
LT – 4900 RT – 4990
Full Fuel, 60% Fresh, 90% Gray, Empty Black
No Passengers – 250 and 160
According to the label behind the driver seat, the front wheels are 9” and the others 8.25” That same chart shows pressures of 125/85/95. Are these the Entegra recommendations? Should I ignore these now that I have real weights?
Using the Charts downloaded from Michelin, the heavier of the two weights and adjusting for our weights, I got pressures of 75 on the Drive and Tag and 120 on the Front. 75 seems low, but that is what the chart showed. Another Anthem owner calculated the same numbers using my data so I am reasonably sure I wasn’t “chart-challenged.”
75 is actually as low as the chart goes. My weights are well below that first entry.
Actuals right now are:
F – 125/126 vs. 120
D – 85/85/87/88 vs. 75
T – 91/95 vs. 75
Am I missing something? Should I lower the rear pressures? Better ride? Hard to see since I don’t know how much you feel the rears anyway. 5 lbs on the front seems like a safety factor.
The coach rides like a dream. We’ll post pics and a journal from our Delivery process soon.
Hopefully this post makes sense.

Cheryl, Emerson and Rascal (Attack Yorkie)
2018 Cornerstone 45Y
2015 Enclave
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Old 03-27-2013, 04:09 PM   #2
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Entegra Owners Club
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Location: Green Valley, AZ
Posts: 1,189
I found the same issue on our Aspire although the Anthem seems to be much better balanced side to side. I try to run my tires slightly harder than the charts. I believe this sacrifices ride for the better tire life and (marginal) fuel economy. My sources say to never run the tires softer than the lowest on the chart regardless of the weight.

Stew and Diane (and Marco)
2018 Entegra Cornerstone 45X
Formerly: 2015 Entegra Cornerstone 45B, 2013 Entegra Aspire DEQ IFS, 2004 DSDP; all sold
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Old 03-27-2013, 04:14 PM   #3
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The pressures you have calculus from the chart are fine. If it were me I would consider running 80 psi in the drive & tag. There seems to be a lot of conventional wisdom around to consider 80 psi to be the bottom end of the chart. The chart is set up to give you the lowest pressure required to carry a given weight.

Also I would consider going asking the chassis builder about backing down the tag down pressure some. That will shift some weight off the steer tires and the tag and put more on the drive. You might be able to drop your steer pressures another 5 lbs.
Steve Ownby
Full time since 2007
2003 Monaco Signature
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Old 03-27-2013, 06:35 PM   #4
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I believe your weights and chart are right on the money. I did all corners and came up with 125 front and 75 and 75. When I sent my numbers to Cruzer he confirmed that they were correct (I was soooooo proud). But, then he told me that he had talked to Spartan and they had told him that they would recommend that we keep 85 #s in the drive and tag. They said we would never know the difference and that if you carried 75 #s that there might be a chance if you were to hit a pot hole that you could seperate the bead on the tire and wheel because of too little pressure. Made sense to me---hence I carry 125 front and 85 on the rest of them. Drove it home from Spartan after they adjusted the ride height and it rode better than it ever has.

Please know that I am far from an engineer type and give this information in the vein of "don't do what I say or do )

Just passing on information
Chuck, Judy, Sam and Willie (The Boys)
2013 Anthem 44 DLQ
2007 GMC 2500 HD 4wd
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Old 04-28-2013, 01:49 AM   #5
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How did you 'drive home from Spartan'? Where are they? Thanks
2012 Aspire 42'
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Old 04-28-2013, 10:21 AM   #6
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Originally Posted by lowpasslew View Post
How did you 'drive home from Spartan'? Where are they? Thanks
2012 Aspire 42'
Here's a link so you can find your local Spartan Service Center.

Spartan Chassis

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