HPA vs. Blackhorn

Mods that make the XR even better
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Art
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Location: Christchurch UK

Re: HPA vs. Blackhorn

Postby Art » Wed Feb 20, 2019 4:39 pm

geno wrote:Nice reporting Art! Thanks for sharing!


Why thank 'ee very muchly, was it a bit garbled or could you follow it ok?
"I don't want to talk to you no more, you empty-headed animal food trough wiper! I fart in your general direction! Your mother was a hamster and your father smelt of elderberries! " :twisted:
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Tom
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Re: HPA vs. Blackhorn

Postby Tom » Wed Feb 20, 2019 6:24 pm

Art, if your numbers are without any (DJ-) correction factor, they are VERY impressive!!!
The Super Flow dyno is about 10+ % less than a Dynojet dyno!
I had my XR also on a Super Flow dyno without any DJ-correction factor and it was 85hp; 5 more horses than the Buell XB12 on exactly the same Super Flow dyno / the XB12 was 80hp; they also dynoed the XB12 on a Dynojet; it showed 94hp / +14hp.

Here a link that might be interesting to you / Alex is in Germany like your Boz in UK; we dynoed my XR on his Super Flow dyno.

http://badweatherbikers.com/buell/messa ... 1194445088
Last edited by Tom on Thu Feb 21, 2019 7:00 am, edited 2 times in total.
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Art
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Re: HPA vs. Blackhorn

Postby Art » Wed Feb 20, 2019 6:48 pm

Wow cool! I did not know that.....that I did not know. Thanks Tom, you put a smile on my face with that info. I know it runs sweet and has more power than any other I have tried and has an extremely smooth delivery. Whatever the figures are this bike never fails to put a smile on my face. The only one I know that can beat my power delivery is Scotty’s 1450 carburetor bike.
"I don't want to talk to you no more, you empty-headed animal food trough wiper! I fart in your general direction! Your mother was a hamster and your father smelt of elderberries! " :twisted:
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Tom
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Re: HPA vs. Blackhorn

Postby Tom » Wed Feb 20, 2019 7:00 pm

LOL, I like it when you smile! :D

and just for fun, you should also test it on a Dynojet! ;)
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Rob_Wakey
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Re: HPA vs. Blackhorn

Postby Rob_Wakey » Wed Feb 20, 2019 9:24 pm

Might try to see if I can get the FB on a Dyno, be interested to see how it compares with some of the well set up XR’s on here.
After me you're first :twisted:
Ferris
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Re: HPA vs. Blackhorn

Postby Ferris » Tue Sep 22, 2020 10:55 pm

Hi Folks
I've just got my paws on a HPA (from the almighty TwinMotorcycles). Does anyone have a recommendation for tuners in the UK (north)?

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