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Update On Scan Guage (no qr stuff)

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lghjr

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Update On Scan Guage (no qr stuff)
« on: September 20, 2011, 06:05:11 pm »
We left Tulsa yesterday for the hillls of Colorado and had an immediate interesting observation going up a long hill outside of town.
Was in cruise control at 60mph towing the Vitara and going up the hill the trans temp went from 160 to 175 while the engine output was 310hp for most of the hill.  Later in the day around Guymon Ok we were pulling the whoop-di-do's going up on the High Plains and ran up to 185 TT and no more than 157hp.  Today pulling Raton Pass (9000' and change) got down to 20mph, 105 hp and 195TT.  Took Hwy12 from Trinidad to La Veta and had several long pulls the worst of which was Cuchara Pass.  Got down to 15mph in places, 206 water temp, 198TT, and could make no more than 100hp in 1st gear.  Cool down to 160-170TT was taking no more than 2-3 minutes at most.  Not worried about the TT anymore Ford seems to have it well in hand, just a lack of get up and go sometimes, particularly with my poor anticipation and timing.















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bobander

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Re: Update On Scan Guage (no qr stuff)
« Reply #1 on: September 25, 2011, 03:12:51 pm »
lghjr,

We are on our first trip with the ScanGauge, up the Oregon coast into Washington.  The transmission fluid temp is not working, it displays 2450 to 2500 while cruising and goes to 2750 with moderate load.  There are four XGauge data sets for the 2010 Ford CANSF protocol, only one of the four shows any info.  I am currently working with Scangauge support to figure out what is going on.

Since reading your post, I watched the horsepower gauge, I was always able to get the max 300+  hp if the rpm was at least 4000.  If you are at a speed under load that does not allow the trans to downshift to get the rpm up to the 4000 range then you won't see the max hp even with the gas pedal to the floor.

Torque for the V10 is fairly level from 2000 to 3500 rpm with max at about 3200, hp increases steeply with rpm with max at about 4200 rpm.  There is an XGauge for torque, you may want to watch that instead of hp to see if your V10 is producing the max torque at lower rpms.  Torque is a direct measure of force (ft-lbs) whereas hp is a measure of work and is calculated from measured torque and rpm: hp = (torque (ft-lbs) x rpm) / 5252.

That is an over simplified description, but you may see that you need high rpm to see max hp, but max torque is available at a range of rpms.  Try Google searching for hp and torque curves for the 2-valve V10, interesting info.

Bob
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lghjr

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Re: Update On Scan Guage (no qr stuff)
« Reply #2 on: September 26, 2011, 04:45:52 pm »
"Torque for the V10 is fairly level from 2000 to 3500 rpm with max at about 3200, hp increases steeply with rpm with max at about 4200 rpm. "

Thanks Bob, that's pretty much why I go with hp readout.

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bobander

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Re: Update On Scan Guage (no qr stuff)
« Reply #3 on: September 27, 2011, 10:06:13 pm »
The transmission fluid temp is not working, it displays 2450 to 2500 while cruising and goes to 2750 with moderate load.  There are four XGauge data sets for the 2010 Ford CANSF protocol, only one of the four shows any info.  I am currently working with Scangauge support to figure out what is going on.

Update:  ScanGauge support is great, they determined that the programming data on their website for the transmission temp for CANSF protocol E450s had 2 transposed numbers.  It works great now, transmission fluid temp is monitored as expected and I can keep an eye on it when under extreme conditions.

Bob
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