Race - Fatboy vs Deluxe
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Cruiser
Joined: Mar 2008
Posts: 249
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Race - Fatboy vs Deluxe
I have a 2008 Fatboy with Vance & Hines Big Radius Exhaust, SE High Flow Air Intake and the Harley Stage 1 Download. I have the 96 cubic inch motor and the 6 speed.
My brother has a 2005 Softail Deluxe with Vance & Hines Long Shots, SE High Flow Air Intake and the SERT from Harley. He has the smaller 88 cubic inch motor and a 5 speed.
We are the same weight....
He can beat me out of the hole and all of the way thru the gears.
WTF? Does the SERT really make that big of a difference?
My brother thought maybe my bike isnt broke in all the way yet.... I only have1k miles on it and I have only had it 4 weeks.
My dad has a 2007 Softtail Deluxe with the 96 cubic inch motor and a 6 speed. He is all stock.Me and my brotehrweigh about 50 lbs more than him....... He beat us both. I figure that is due to the added weight....
Any thoughts?
I think I need to drive to Arizona or Nevada and get the SERT.
My brother has a 2005 Softail Deluxe with Vance & Hines Long Shots, SE High Flow Air Intake and the SERT from Harley. He has the smaller 88 cubic inch motor and a 5 speed.
We are the same weight....
He can beat me out of the hole and all of the way thru the gears.
WTF? Does the SERT really make that big of a difference?
My brother thought maybe my bike isnt broke in all the way yet.... I only have1k miles on it and I have only had it 4 weeks.
My dad has a 2007 Softtail Deluxe with the 96 cubic inch motor and a 6 speed. He is all stock.Me and my brotehrweigh about 50 lbs more than him....... He beat us both. I figure that is due to the added weight....
Any thoughts?
I think I need to drive to Arizona or Nevada and get the SERT.
Stellar HDF Member
Joined: Nov 2004
Posts: 3,156
Likes: 41
From: So Cal
RE: Race - Fatboy vs Deluxe
If the SERT was done on a dyno by a good Tuner it isbetter than the factory generic stage 1 map. The stage one is a EPA compliant map so it is still lean and will not be getting the most performance out of your engine.
Outstanding HDF Member
Joined: Jun 2006
Posts: 3,432
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From: SW Ohio
RE: Race - Fatboy vs Deluxe
A lot of factors here. A lot depends how the engine was broke in, etc. No 2 engines are the same from the factory.
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Cruiser
Joined: Jan 2008
Posts: 154
Likes: 15
RE: Race - Fatboy vs Deluxe
I have a '07 Fatboy with the big radius, big sucker intake and the Stage 1 remap and have actually been whooped by a stock Road King Classic ... I have to admit the rider of the RK was probably 60 lbs. lighter then me ... but considering the extra weight of the bike I was quite surprised.
I think the big radius although it looks good is not exactly performance oriented, I think something like a Rinehardt might be more appropriate if that's what you're looking for. I also think the transmission is partially to blame here. The 6 speed doesn't really lend itself to "drag racing" it makes for a flexible bike thought while at speed. In my opinion a 5 speed will always be faster on the 1/4 mile given both bikes are of similar displacment, no cams etc.
Just my opinion ... open to other suggestions here.
I think the big radius although it looks good is not exactly performance oriented, I think something like a Rinehardt might be more appropriate if that's what you're looking for. I also think the transmission is partially to blame here. The 6 speed doesn't really lend itself to "drag racing" it makes for a flexible bike thought while at speed. In my opinion a 5 speed will always be faster on the 1/4 mile given both bikes are of similar displacment, no cams etc.
Just my opinion ... open to other suggestions here.
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Cruiser
Joined: Mar 2008
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RE: Race - Fatboy vs Deluxe
I am not looking for speed..... but it did concern me that he beat me.
I figured with the 6 speed it just added a gear to the 5 speed...... Did they change the other gear ratios when they went from a 5 speed to a 6 speed?
I figured with the 6 speed it just added a gear to the 5 speed...... Did they change the other gear ratios when they went from a 5 speed to a 6 speed?
Tourer
Joined: Aug 2007
Posts: 458
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From: Indianapolis, IN
RE: Race - Fatboy vs Deluxe
Given that the stock bike beat them every time, I would have to think that it had a lot to do with how it was broke in and how it was tuned. Sometimes pipes just make it sound "faster". If it wasn't tuned by some one who knows what they are doing, then it may not have been done right. I would think that the shorter stroke of the 88 would beat the 96 off the line everytime. Given the fact that one is factory and one had been upgraded to the stage 1, somthing has to be a miss with the upgraded one. Need more details on who did the work and what was done to it?? Could be just a matter of lower octaine gas in one or the other? Don't know??? Have them all dynoed at a independant shop and see what they say???