Aggressive Tow from Spartan?
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Elder User
Joined: Oct 2006
Posts: 554
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From: Everett, PA
Aggressive Tow from Spartan?
Hey all, I just had a quick question about towing performance with the Agg Tow tune from Spartan. I used it earlier this week and all I had on was a car trailer and a hatchback jetta. Not a big load at all, I did have to pull some decently steep grades and my Power PDA threw the oil temp light, after I switched the gauges around on it I saw the oil temp had hit 228, is this normal or not?
Tuned
Joined: Mar 2007
Posts: 365
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From: Alberta, Canada
That's not an unreasonable engine oil temp if your coolant temp was 205-215. If your coolant temp was still down at the 180-190 level and the oil temp was 230 you may have an obstructed oil cooler.
Senior User
Joined: May 2006
Posts: 410
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If I remember correctly the Oil measures somewhere between 10 -15 degrees hotter than coolant temp. Since the fan cycles between 210-220 coolant temp, that would make the PDA scream all the time on a hard climb. I called Banks when I first got mine, and they told me to raise the oil temp alert to 235 deg. Kinda funny that even at 235 the idiot gauge doesn't even move. ~Brad
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Jason and Brad have this one covered 
Engine Oil Temperature will run somewhat hotter under load than than ECT. All of our files will begin to defuel at a temperature caution point of 254 degrees; with an emergency fuel shutdown at 282. You were still within perfectly safe parameters.
Engine Oil Temperature will run somewhat hotter under load than than ECT. All of our files will begin to defuel at a temperature caution point of 254 degrees; with an emergency fuel shutdown at 282. You were still within perfectly safe parameters.
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Dustball8504,
As the others have said, the oil temperature you saw should not be a problem. FMC says that the EOT should be no more than 20F degrees warmer than the ECT. If the EOT is more than 20F warmer than the ECT then this indicates a problem with the EOC as 04Xcursion said. Compare your ECT & EOT to make sure they are within 20F of each other.
IIRC with factory stock programming defuel occurrs at ECT of 227F, EOT of 254F.
As the others have said, the oil temperature you saw should not be a problem. FMC says that the EOT should be no more than 20F degrees warmer than the ECT. If the EOT is more than 20F warmer than the ECT then this indicates a problem with the EOC as 04Xcursion said. Compare your ECT & EOT to make sure they are within 20F of each other.
IIRC with factory stock programming defuel occurrs at ECT of 227F, EOT of 254F.
