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Average HP at wheels 1275.
https://www.ausmini.com/forums/viewtopic.php?f=2&t=78087
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Author:  Convertible Mini [ Fri Aug 17, 2012 6:57 pm ]
Post subject:  Average HP at wheels 1275.

What would a 1275 engine bored +.030" (1303cc). 9.0:1 Compression, with a slightly ported head, 731 Cam , Std rockers, Maniflow extractors and 1 3/4 " exhaust, HIF 44. Produce at the wheels on average?

Author:  drmini in aust [ Fri Aug 17, 2012 7:16 pm ]
Post subject: 

PM sent.

Author:  1071 S [ Fri Aug 17, 2012 7:23 pm ]
Post subject: 

Do you read Mini World etc??? They frequently run "dyno days" that report on outputs etc...

Cheers, Ian

Author:  drmini in aust [ Fri Aug 17, 2012 7:34 pm ]
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Depends a lot on the dyno, the drive-on ones are all different.
Good for pub points comparo on the day, but hard to compare to others, or even the same dyno at a later date.

Lots of variables. We found 8HP in a race Mini by swapping the sticky rubber for hard crappy road tyres.

Author:  low n blown [ Sat Aug 18, 2012 8:35 pm ]
Post subject: 

drmini in aust wrote:
Depends a lot on the dyno, the drive-on ones are all different.
Good for pub points comparo on the day, but hard to compare to others, or even the same dyno at a later date.

Lots of variables. We found 8HP in a race Mini by swapping the sticky rubber for hard crappy road tyres.


Did it go faster with the new found horses?

Author:  drmini in aust [ Sat Aug 18, 2012 9:03 pm ]
Post subject: 

low'n blown wrote:
drmini in aust wrote:
Depends a lot on the dyno, the drive-on ones are all different.
Good for pub points comparo on the day, but hard to compare to others, or even the same dyno at a later date.

Lots of variables. We found 8HP in a race Mini by swapping the sticky rubber for hard crappy road tyres.


Did it go faster with the new found horses?

Might have, until the 1st corner... :lol:
Like I said ^^ good only for pub points. Or engine tuning.

On the other hand, a `water brake' engine dyno has few variables, and is far more sensitive to minor tuning changes. So better for engine development.

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