Touring Power Cam???
#11
02-28-2018, 05:37 AM
Banned
After riding several ‘17 107’s with 447 torque cams, along with the prerequisite pipes/air filter/tuner, and being largely unimpressed (I know, everyone rides differently), I opted for the 462 Power cam. As I have stated in previous threads, I found the rev limiter very early on in my ownership, and definitely did not like the tractor-like personality of the stock cam and tuning.
Shortly after the 1000 mile service, I installed the SE Street Cannons, Ventilator, Power cam and Pro Street tuner.
Pulls strong off the bottom (I can drag it down to 2000 RPM and roll into the throttle deep, no downshifting, with no balking out of engine), and pulls hard from 3000 to the top (6150 or so).
Fun to ride now, I routinely run it to redline in 2nd and 3rd when out for a run, 5500 in 4th, then back to normalcy in 5th and 6th. Just rode another torque cam equipped M8 Sunday. I don’t believe my riding style fits with the power band of that particular camshaft.
Maybe when I am older, but who knows, I will be 55 on the next one, and I still love to ride at the upper portion of the tach. swing. BTW, 4687 miles on the clock when I parked it Sunday.
#12
02-28-2018, 07:12 AM
Seasoned HDF Member
After riding several ‘17 107’s with 447 torque cams, along with the prerequisite pipes/air filter/tuner, and being largely unimpressed (I know, everyone rides differently), I opted for the 462 Power cam. As I have stated in previous threads, I found the rev limiter very early on in my ownership, and definitely did not like the tractor-like personality of the stock cam and tuning.
Shortly after the 1000 mile service, I installed the SE Street Cannons, Ventilator, Power cam and Pro Street tuner.
Pulls strong off the bottom (I can drag it down to 2000 RPM and roll into the throttle deep, no downshifting, with no balking out of engine), and pulls hard from 3000 to the top (6150 or so).
Fun to ride now, I routinely run it to redline in 2nd and 3rd when out for a run, 5500 in 4th, then back to normalcy in 5th and 6th. Just rode another torque cam equipped M8 Sunday. I don’t believe my riding style fits with the power band of that particular camshaft.
Maybe when I am older, but who knows, I will be 55 on the next one, and I still love to ride at the upper portion of the tach. swing. BTW, 4687 miles on the clock when I parked it Sunday.
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SoCalHDMC (02-28-2018)
#13
02-28-2018, 10:42 AM
Stellar HDF Member
The reason the graph doesn’t look right is because the operator did not set up the software properly.
Dyno graphs, because of the math, will always cross at 5250. If they don’t the scaling is different for torque vs hp.
Also the fact the torque goes virtually flat indicates either “best” timing or AFR has not been found. Maybe it’s just a breakin calibration and will final tune the bike after it gets miles on it?
Bob
Dyno graphs, because of the math, will always cross at 5250. If they don’t the scaling is different for torque vs hp.
Also the fact the torque goes virtually flat indicates either “best” timing or AFR has not been found. Maybe it’s just a breakin calibration and will final tune the bike after it gets miles on it?
Bob
#14
02-28-2018, 12:21 PM
HD EFI Guru
If anyone wants to challenge the authenticity of the dyno feel free. The bottom numbers are the stage 1 when I had power cams done with intake and Mastertune. The second set of higher numbers are a Stage III plus the head work by Vance and Hines. I trust the Service Manager completely who worked for Harley for 13 years and 5 for Vance and helping design cams. The reason he sends the heads out is because as you can see (or disbelieve) the goal is to maintain 100 lbs torque as long as possible. Mine lasts from 3000 rpm through 5250. If you look at a stage III by itself it’s approximately 1500 rpm range. I took the photo off the dyno screen so it is grainy but don’t need to alter a document just to offer my opinion on the cams alone.
So you first had a Stage II, this is the exhaust, air cleaner and power cam. Then you went to a stage III kit with additional head work and different cam. The dyno chart is wrong as the Torque and Hp lines must cross at 5252 RPM. My guess is that the dyno operator had the scales set different and that would cause them to move. If you check with them I am sure you will find that was the case. Also the person your are describing most likely knows who I am since I worked with HD for 12+ years.
#15
02-28-2018, 02:35 PM
If anyone wants to challenge the authenticity of the dyno feel free. The bottom numbers are the stage 1 when I had power cams done with intake and Mastertune. The second set of higher numbers are a Stage III plus the head work by Vance and Hines. I trust the Service Manager completely who worked for Harley for 13 years and 5 for Vance and helping design cams. The reason he sends the heads out is because as you can see (or disbelieve) the goal is to maintain 100 lbs torque as long as possible. Mine lasts from 3000 rpm through 5250. If you look at a stage III by itself it’s approximately 1500 rpm range. I took the photo off the dyno screen so it is grainy but don’t need to alter a document just to offer my opinion on the cams alone.
So why does it say your peak hp is 116 but the graph barely shows 110?
Something is fishy or not scaled right or maybe there are two scales and your only showing one.
Only four pulls to tune the bike? Run 1 is the low number and run 4 is the high number.
I would want some answers from my tuner if I was given that chart / graph
#18
03-01-2018, 12:29 AM
Stellar HDF Member
