Max torque sporty !
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Tourer
Joined: Jan 2020
Posts: 392
Likes: 188
From: india
Max torque sporty !
As my riding miles accrue and the preference becomes clear I have come to realise that for me torque matters esp in the low and midrange.
what is the max torque you guys have seen a sportster put out ? The 100 bhp peak is not what I am after - any inputs will be appreciated including the build
what is the max torque you guys have seen a sportster put out ? The 100 bhp peak is not what I am after - any inputs will be appreciated including the build
The most complete and awesome information on torque (and BHP) I've found is on the Hammer Performance website, especially the Hopping Up an XL1200 Sportster page. The offer some great information, including many dyno results, like this:
It shows 1250 & 1275 torque curves, but they also off crazy 88' and 90' kits... Cosmic!
Just for your information.
Cheers,
Chris
HDF Community Team
Joined: Dec 2011
Posts: 8,589
Likes: 4,019
From: San Diego, CA
The 1250 or 1275 kit won't work with the FP3? That's good information to get out there, a bummer if you have to scrap it and go to another tuner.
I just did a 1250 build, but my bike is carbureted. The extra 25cc (and 2.3 hp) just did not seem worth the extra $125, which I applied to an upgraded ignition module instead, a much better use of that money IMHO. 900 miles on the bike since the upgrade and everything is absolutely fantastic, no leaks, plenty of power, and lots of torque.
I got way more than my money's worth! The bike is just amazing now.
John
I just did a 1250 build, but my bike is carbureted. The extra 25cc (and 2.3 hp) just did not seem worth the extra $125, which I applied to an upgraded ignition module instead, a much better use of that money IMHO. 900 miles on the bike since the upgrade and everything is absolutely fantastic, no leaks, plenty of power, and lots of torque.
I got way more than my money's worth! The bike is just amazing now.
John
Thread Starter
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Tourer
Joined: Jan 2020
Posts: 392
Likes: 188
From: india
Hammer is clear about their preferred tuner and the FP3 has some issues with their build.
I had written to hammer and gottten their take on this - it will have to be complete set (makes sense as part upgrades will cost me much more ). My prob is I will have to junk the pipes and the tuner and find an Indy capable to install.
The guy I use is Harley trained and he tried to install an extra plate kit with the spring plate and installed the front suspension (progressive) with the protective plastic tubing on. I was around and thanks to you all and YouTube was able to correct him on the spot. being where I am geographically makes things a bit tough!
Nuff said ! BTW
how much torque did you gain ? What are the pipes on your bike ? A bit more explanation would help.
I had written to hammer and gottten their take on this - it will have to be complete set (makes sense as part upgrades will cost me much more ). My prob is I will have to junk the pipes and the tuner and find an Indy capable to install.
The guy I use is Harley trained and he tried to install an extra plate kit with the spring plate and installed the front suspension (progressive) with the protective plastic tubing on. I was around and thanks to you all and YouTube was able to correct him on the spot. being where I am geographically makes things a bit tough!
Nuff said ! BTW
how much torque did you gain ? What are the pipes on your bike ? A bit more explanation would help.
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HDF Community Team
Joined: Dec 2011
Posts: 8,589
Likes: 4,019
From: San Diego, CA
I have not had the bike on a dyno. I have the original Screaming Eagle mufflers with “H” pipes. SE aircleaner. CV velocity needle and 45/185 jets at 3 1/8 turns out on IMS. Carburetion and plugs seem good. Perhaps Hammer has torques for a basic conversion like mine on their site.
John
John
Last edited by John Harper; Apr 13, 2021 at 10:19 AM.
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