107ci All-Bore, TMan Stage III Heads, TR-625, FatCat BBQ, 51mm TB : V-Twin Forum: Harley Davidson Forums
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Old 01-11-2010, 08:32 PM   #1 (permalink)
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rodriguc wants to know Dino or Syn?
107ci All-Bore, TMan Stage III Heads, TR-625, FatCat BBQ, 51mm TB

Two charts are attached. One is the final results of my 107ci with TR-625 cams. The other chart is a comparison of the same engine with the TR-625 cams (tuned; upper curves) and the TW-8G+2 key (untuned; lower curves).

Below is the listing of components used on this build. Thoughts, comments or recommendations?

2002 Road King Classic
Mileage - 60K miles

SAE - 119tq/119hp
STD - 123tq/123hp
Uncorrected - 124tq/124hp

107ci All-Bore Engine (10.3 Static/9.4 Corrected - originally thought to be 10.5 static)
Tuned by JC Cycle Works

Dark Horse - Overhaul/weld/balance OEM crankcase/flywheel assembly
Axtell “4.125 x 4” Cylinders/Dome Piston (10cc) Kit
T-Man Stage III Heads (93cc/1.940" Int/1.615" Exh) and compression releases
S&S Roller Rockers
HD “B” Lifters and Camplate with Baisley/LMR oil pressure spring
Feuling Oil Pump
T-Man TR-625 cams
HPI 51mm Throttlebody w/4.9 gps injectors
Zippers MaxFlow Air Filter and Pushrods
D&D Fat Cat exhaust with Big Bore Quiet baffle
HD Premium Oil Cooler
TTS Master Tuner
3.37 final gear ratio
VP92T VPC w/SE clutch spring and easy-pull clutch ramp

In my engine, the TR-625 and TW-8G cams made the same level of valve train noise -- low.

The clutch plates will be replaced shortly. Took the bike on a 20 mile run in single digit temps, but it took that long to get the engine to somewhat warm up. A longer ride will be necessary to truly assess the bike's performance.
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1981-2007
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Last edited by rodriguc; 06-14-2010 at 04:32 PM. Reason: Squish was wider (.048") than initial measurements resulting in lower static comp
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Old 01-13-2010, 10:12 AM   #2 (permalink)
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Very nice. I'm really pleased with my T-Man parts, and Dave can tune them really well.
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Old 01-13-2010, 10:41 AM   #3 (permalink)
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claydbal is reading this now saying WTF is this?
curves look almost identical, only 8 cam is a bit lower. so he tuned the 625, and the swapped in the 8? untuned? making sure i read that right.
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Old 01-13-2010, 10:53 AM   #4 (permalink)
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Quote:
Originally Posted by claydbal View Post
curves look almost identical, only 8 cam is a bit lower. so he tuned the 625, and the swapped in the 8? untuned? making sure i read that right.
Dennis, I think you got that backwards. I think he removed the 8 (untuned), installed the 625, and then tuned it.
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Old 01-13-2010, 07:52 PM   #5 (permalink)
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Quote:
Originally Posted by beaureed445 View Post
Dennis, I think you got that backwards. I think he removed the 8 (untuned), installed the 625, and then tuned it.
Thanks -- you are correct.
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Retired, but still supporting Marines
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Old 01-13-2010, 09:42 PM   #6 (permalink)
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Breaks a 100 torque very early in the power band and pulls well out the top, can't ask for more than that, what did Dave say about the little nipple in the graph lines?
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Old 01-13-2010, 09:42 PM   #7 (permalink)
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claydbal is reading this now saying WTF is this?
huh????
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Old 01-13-2010, 10:23 PM   #8 (permalink)
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Quote:
Originally Posted by claydbal View Post
huh????
OK, unusual spike in the torque and HP line then. Just look a little closer at the overall torque curve and tell me what you see. I bet Ahar would recognize it in a second.
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2007 Ultra
103
Donatell heads
553 bd cams
Power duals with re-core cvo
Welded crank



1982 FXRS
new paint
new tires
new brakes
new clutch
Soon to be back on the road


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Old 01-13-2010, 11:25 PM   #9 (permalink)
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Quote:
Originally Posted by BVBOB View Post
OK, unusual spike in the torque and HP line then. Just look a little closer at the overall torque curve and tell me what you see. I bet Ahar would recognize it in a second.


Very, very nice rodriguc! Should be a lot of fun.

I'm looking to do a similar build on my Dyna.


That dyno spike has been seen here before.

Doc did a 107 tune last year that had a nipple like that.

Must be the cold weather!
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Old 01-14-2010, 12:14 AM   #10 (permalink)
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You had 10.5 cr with 93cc heads? Wow......
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Old 01-14-2010, 12:15 AM   #11 (permalink)
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I guess the extra cubic inches of the motor brings it up......must be tired, not looking at it right.....
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Old 01-14-2010, 06:24 AM   #12 (permalink)
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Quote:
Originally Posted by BVBOB View Post
Breaks a 100 torque very early in the power band and pulls well out the top, can't ask for more than that, what did Dave say about the little nipple in the graph lines?
He said it could have been the dyno machine spiking, though he admitted it was consistant in all the runs. I suspected the clutch, but was hoping to hear from others here on this abnormality before replacing the clutch. Thanks.
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Once a Marine, Always a Marine
1981-2007
Retired, but still supporting Marines
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Old 01-14-2010, 06:27 AM   #13 (permalink)
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Quote:
Originally Posted by OZNOG View Post

Very, very nice rodriguc! Should be a lot of fun.

I'm looking to do a similar build on my Dyna.


That dyno spike has been seen here before.

Doc did a 107 tune last year that had a nipple like that.

Must be the cold weather!
Thank you. Weather -- hmmm, never crossed my mind. I take it Doc didn't provide any explanation for spike?
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Once a Marine, Always a Marine
1981-2007
Retired, but still supporting Marines
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Old 01-14-2010, 06:29 AM   #14 (permalink)
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rodriguc wants to know Dino or Syn?
Quote:
Originally Posted by Mohead1 View Post
You had 10.5 cr with 93cc heads? Wow......
Cubes, dome (10cc) pistons, and 0.040" head gasket
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Once a Marine, Always a Marine
1981-2007
Retired, but still supporting Marines
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Old 01-14-2010, 07:07 AM   #15 (permalink)
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Quote:
Originally Posted by rodriguc View Post
He said it could have been the dyno machine spiking, though he admitted it was consistant in all the runs. I suspected the clutch, but was hoping to hear from others here on this abnormality before replacing the clutch. Thanks.
maybe vpc.
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