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Dyno results
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Author:  Jaz [ Fri Mar 30, 2012 7:20 pm ]
Post subject:  Dyno results

Hey guys, i recently just had my 1100 dyno tuned the other day, it got 33.6hp i was just wondering if this is what i should be expecting from it?
It was orignially a 998cc but this is what is fitted:
Bored to 1134cc
1100 crank
1100 head (shaved) slighty worked
double valve springs
stage 2 cam
LCB extractors
pulsar distributor
32mm dellorto
Image

Author:  drmini in aust [ Fri Mar 30, 2012 8:36 pm ]
Post subject: 

33.6HP sounds a bit low to me, Spiro the Moke (1152cc, RE13 cam, 295 head, and a 40 Dellorto) made 47HP at the ausmini dyno day a few years ago, and it was tired.
However, it was on a Dyno Dynamics dyno; chassis dynos do vary a lot, they can't really be compared with each other reliably.

Author:  michaelb [ Fri Mar 30, 2012 8:45 pm ]
Post subject: 

I agree, my 1100 van had 44hp when new. 202 worked head, 266 cam, extractors and 1 1/2" SU.

Author:  Jaz [ Sat Mar 31, 2012 7:59 am ]
Post subject: 

Yeah interesting, thanks for that guys i think i may start saving for a 1275

Author:  simon k [ Sat Mar 31, 2012 10:11 am ]
Post subject: 

Jaz wrote:
Yeah interesting, thanks for that guys i think i may start saving for a 1275


nup, getting your existing setup to perform properly will be a lot cheaper, the should be another 10-12 bhp lurking in there somewhere

Author:  drmini in aust [ Sat Mar 31, 2012 10:48 am ]
Post subject: 

simon k wrote:
Jaz wrote:
Yeah interesting, thanks for that guys i think i may start saving for a 1275


nup, getting your existing setup to perform properly will be a lot cheaper, there should be another 10-12 bhp lurking in there somewhere

Unless that Mainline dyno is just reading low (relative to the Dyno Dynamics type ausmini runs have used before). :wink:
There are so many variables- just changing sticky race tyres for hard old road ones gives you HP, we found. Same with tyre pressures.

Author:  dalmeny [ Sun Apr 01, 2012 9:17 pm ]
Post subject: 

Just had mine dyno'd, first tune since the new rebuild.

43.2HP

1098 +40
standard reconditioned head (head and deck shaved)
45 webber (choked down to 40)
3 into 1 extractors and rc40 exhaust
standard distributor and points
mild cam grind

I also noticed that mine was run in 3rd gear and reached 43.2 @ 100K's

Author:  Mini Mad [ Sun Apr 01, 2012 10:04 pm ]
Post subject: 

Yea that is a bit low.

Check your tire pressures and it also looks like it was taken in 4th gear - most runs are done in 3rd for a mini so that might make some difference?

Author:  SuperCooper [ Sun Apr 01, 2012 11:26 pm ]
Post subject: 

When my van was an 1100 , it made 48 bhP ATW on that same (John collins) Dyno. Unknown cam, 295 head lcb, 40 mm web.
Then went to a 1360 with standard head 266 cam 45 mm weber- 60atw
Now 1360 Same cam 7 port head 2x 40 mm del - 90atw.
John is very good at what he does.

Author:  michaelb [ Mon Apr 02, 2012 9:24 am ]
Post subject: 

Hi Jaz
I think before you go to the big step of changing to a 1275, I would recommend the head be modified first by a reputable head modifying person and then Dyno again
It is amazing how much difference a good head can influence power output in a mini
Next option would be the camshaft as you are unsure on its specs?

Author:  Jaz [ Fri Apr 06, 2012 4:11 pm ]
Post subject: 

Thanks for the advice guys :)

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