Stock TC103: HP 73 Torque 89?
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Cruiser
Joined: Dec 2011
Posts: 151
Likes: 1
From: Yorktown Va
Stock TC103: HP 73 Torque 89?
Read enough about the B engine being robbed a bit on HP/Torque. Heard the counter balancer might rob as much as of 7 hp. Called the Service Dyno King Race Team lead at a dealership.
I said to him "HD says the 103 has 98 ft lbs of torque on 103, what is it on the 103B?" He replied " First before a stage-1 and tune, it is HP73 Torque 89. After the tune the torque is 98/100 and the loss with the B is too small to matter less than 1hp.
He told me when I drive my 06 TC88 over to do the trade and ride the 103 on the test ride it will seem so smooth that when I get back I will get off and then go kick my bike over! lol
Not asserting his numbers are the gospel, but if any one has before and after hp/torque numbers on a new 103 that would be cool.
I said to him "HD says the 103 has 98 ft lbs of torque on 103, what is it on the 103B?" He replied " First before a stage-1 and tune, it is HP73 Torque 89. After the tune the torque is 98/100 and the loss with the B is too small to matter less than 1hp.
He told me when I drive my 06 TC88 over to do the trade and ride the 103 on the test ride it will seem so smooth that when I get back I will get off and then go kick my bike over! lol
Not asserting his numbers are the gospel, but if any one has before and after hp/torque numbers on a new 103 that would be cool.
Tourer
Joined: Sep 2013
Posts: 358
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From: Florida
I have heard those numbers on the stock softails. Smoother? I dont know about that one. I have ridden a buddys 103" Roadglide and while it was a nice enough ride... not enough that I'm ready to trade my softail for on one.
Club Member
Joined: May 2007
Posts: 145,895
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From: 40 miles Northeast of Indy..
I've read in here for YRS that the Balances cost us Softies about 2 HP and 2#'s of TQ..
As far at your stock 103 making 89tq and 73hp, Maybe, I don't know.
I know my 96 at 1k miles with Stg 1 (pipes and SE A/C -- Dynoed 78tq and 63hp BEFORE being TUNED... then 83tq and 71hp After they Tuned her..
What I don't think is that you'll get 100#'s TQ and 98 HP with just Stg1 and a tune..
I would believe a 103 can make 92-95 #'s of TQ and low- mid 80's HP with Stg1 and a tune...
But to get 98 HP on just stg1 --Thats a gain of 25 HP with just pipes and A/C,, that IMO is hard to believe...
Most of the Dyno Sheets I've seen on 103 BB kits that people installed on 96'ers with flat tops and Cams only average 105#'s of TQ and 85HP.. Have some Head work done and that will make her more Square..
so do some research and see what you find and remember its easy for someone to claim what they will get...
Also I'd want to see some of their sheets they've done on other bikes.
Also look for SAE (Not STD) corrected runs on their printouts.
As far at your stock 103 making 89tq and 73hp, Maybe, I don't know.
I know my 96 at 1k miles with Stg 1 (pipes and SE A/C -- Dynoed 78tq and 63hp BEFORE being TUNED... then 83tq and 71hp After they Tuned her..
What I don't think is that you'll get 100#'s TQ and 98 HP with just Stg1 and a tune..
I would believe a 103 can make 92-95 #'s of TQ and low- mid 80's HP with Stg1 and a tune...
But to get 98 HP on just stg1 --Thats a gain of 25 HP with just pipes and A/C,, that IMO is hard to believe...
Most of the Dyno Sheets I've seen on 103 BB kits that people installed on 96'ers with flat tops and Cams only average 105#'s of TQ and 85HP.. Have some Head work done and that will make her more Square..
so do some research and see what you find and remember its easy for someone to claim what they will get...
Also I'd want to see some of their sheets they've done on other bikes.
Also look for SAE (Not STD) corrected runs on their printouts.
Last edited by oct1949; Aug 29, 2014 at 02:44 PM.
Road Captain
Joined: Dec 2009
Posts: 646
Likes: 1
From: Rockford, IL
I had my counter balancers and chain removed when I re did my whole engine and let me tell you and there is a fair about of weight between both balancers, chain, bearings etc. I'm glad I removed them, just one less thing to break. Besides those balancer chains are only good to about 120 hp..I'm quite a bit higher than that
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Cruiser
Joined: Dec 2011
Posts: 151
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From: Yorktown Va
Whats got me frustrated a little bit is if HD says the 103 has 98ft lbs of torque at 3000 rpms I have been thinking I will start at 98 ft lbs before a stage-1 but I am not. I will be lucky to get to 98 ft lbs of torque with a stage-1. I was looking for significant improvement over my 88TC with 211 cam and SERT, now I see maybe not.
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
Stellar HDF Member
Joined: Aug 2011
Posts: 3,158
Likes: 68
From: Martinsburg, WV
Whats got me frustrated a little bit is if HD says the 103 has 98ft lbs of torque at 3000 rpms I have been thinking I will start at 98 ft lbs before a stage-1 but I am not. I will be lucky to get to 98 ft lbs of torque with a stage-1. I was looking for significant improvement over my 88TC with 211 cam and SERT, now I see maybe not.
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
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Grand HDF Member
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From: Running with the gators
My stock 13 Heritage has plenty of power to keep me rolling at 65 MPH in 6th gear even while climbing some of the countries highest passes here in Colorado.
Love me B motor!!
Love me B motor!!
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Cruiser
Joined: Dec 2011
Posts: 151
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From: Yorktown Va
Its not that I want a speed bike, I just do not want a under powered bike like I felt my RK was for the most part. Yeah it came alive with the 211 cams but over all the weight to power ratio too me was not great. Still a big reason why I want to move to a cruiser.
Club Member
Joined: Jul 2014
Posts: 11,471
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From: Idaho
...As far at your stock 103 making 89tq and 73hp, Maybe, I don't know.
I know my 96 at 1k miles with Stg 1 (pipes and SE A/C -- Dynoed 78tq and 63hp BEFORE being TUNED... then 83tq and 71hp After they Tuned her..
What I don't think is that you'll get 100#'s TQ and 98 HP with just Stg1 and a tune..
I would believe a 103 can make 92-95 #'s of TQ and low- mid 80's HP with Stg1 and a tune...
But to get 98 HP on just stg1 --Thats a gain of 25 HP with just pipes and A/C,, that IMO is hard to believe...
I know my 96 at 1k miles with Stg 1 (pipes and SE A/C -- Dynoed 78tq and 63hp BEFORE being TUNED... then 83tq and 71hp After they Tuned her..
What I don't think is that you'll get 100#'s TQ and 98 HP with just Stg1 and a tune..
I would believe a 103 can make 92-95 #'s of TQ and low- mid 80's HP with Stg1 and a tune...
But to get 98 HP on just stg1 --Thats a gain of 25 HP with just pipes and A/C,, that IMO is hard to believe...
Whats got me frustrated a little bit is if HD says the 103 has 98ft lbs of torque at 3000 rpms I have been thinking I will start at 98 ft lbs before a stage-1 but I am not. I will be lucky to get to 98 ft lbs of torque with a stage-1. I was looking for significant improvement over my 88TC with 211 cam and SERT, now I see maybe not.
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
This "Engine Torque Testing Method J1349" means what? The torque value is at the crank shaft of the engine? ...not the rear wheel? I don't know
All numbers in the spec sheets are at the crank. All numbers post-Stage 1, etc., etc., are rear wheel. And, keep in mind, a dyno needs to be calibrated, and the operator needs to be trained. And, even more important, the before and after dyno pulls should be on the same dyno and the same operator.
I recently had my bone stock 103 dynoed, and it was 68 HP and 88 lb-ft of torque. Then I had a tune done. NOT Stage 1, no air cleaner and no mufflers, just the Pro Tuner and adjust the air/fuel ratios, etc.. The difference was dramatic. It pulls waaay harder now. I have a dyno appointment next Wednesday, and I'll let you know how it turns out.